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<span class="vector-toc-numb">2</span> <span>Geology</span> </div> </a> <button aria-controls="toc-Geology-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Toggle Geology subsection</span> </button> <ul id="toc-Geology-sublist" class="vector-toc-list"> <li id="toc-Subdivisions" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Subdivisions"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.1</span> <span>Subdivisions</span> </div> </a> <ul id="toc-Subdivisions-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Boundaries" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Boundaries"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.2</span> <span>Boundaries</span> </div> </a> <ul id="toc-Boundaries-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Geologic_formations" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Geologic_formations"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.3</span> <span>Geologic formations</span> </div> </a> <ul id="toc-Geologic_formations-sublist" class="vector-toc-list"> <li id="toc-Europe" class="vector-toc-list-item vector-toc-level-3"> <a class="vector-toc-link" href="#Europe"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.3.1</span> <span>Europe</span> </div> </a> <ul id="toc-Europe-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-North_America" class="vector-toc-list-item vector-toc-level-3"> <a class="vector-toc-link" href="#North_America"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.3.2</span> <span>North America</span> </div> </a> <ul id="toc-North_America-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> </ul> </li> <li id="toc-Paleogeography" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Paleogeography"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Paleogeography</span> </div> </a> <ul id="toc-Paleogeography-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Climate" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Climate"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Climate</span> </div> </a> <ul id="toc-Climate-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Flora" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Flora"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Flora</span> </div> </a> <ul id="toc-Flora-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Terrestrial_fauna" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Terrestrial_fauna"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>Terrestrial fauna</span> </div> </a> <button aria-controls="toc-Terrestrial_fauna-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Toggle Terrestrial fauna subsection</span> </button> <ul id="toc-Terrestrial_fauna-sublist" class="vector-toc-list"> <li id="toc-Rhynchocephalians" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Rhynchocephalians"> <div class="vector-toc-text"> <span class="vector-toc-numb">6.1</span> <span>Rhynchocephalians</span> </div> </a> <ul id="toc-Rhynchocephalians-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Choristodera" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Choristodera"> <div class="vector-toc-text"> <span class="vector-toc-numb">6.2</span> <span>Choristodera</span> </div> </a> <ul id="toc-Choristodera-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Marine_fauna" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Marine_fauna"> <div class="vector-toc-text"> <span class="vector-toc-numb">7</span> <span>Marine fauna</span> </div> </a> <ul id="toc-Marine_fauna-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-See_also" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#See_also"> <div class="vector-toc-text"> <span class="vector-toc-numb">8</span> <span>See also</span> </div> </a> <ul id="toc-See_also-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-References" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#References"> <div class="vector-toc-text"> <span class="vector-toc-numb">9</span> <span>References</span> </div> </a> <button aria-controls="toc-References-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Toggle References subsection</span> </button> <ul id="toc-References-sublist" class="vector-toc-list"> <li id="toc-Citations" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Citations"> <div class="vector-toc-text"> <span class="vector-toc-numb">9.1</span> <span>Citations</span> </div> </a> <ul id="toc-Citations-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Bibliography" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Bibliography"> <div class="vector-toc-text"> <span class="vector-toc-numb">9.2</span> <span>Bibliography</span> </div> </a> <ul id="toc-Bibliography-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-External_links" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#External_links"> <div class="vector-toc-text"> <span class="vector-toc-numb">10</span> <span>External links</span> </div> </a> <ul id="toc-External_links-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Contents" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" title="Table of Contents" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Toggle the table of contents" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Toggle the table of contents</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Cretaceous</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Go to an article in another language. Available in 97 languages" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-97" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">97 languages</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-af mw-list-item"><a href="https://af.wikipedia.org/wiki/Kryt_(geologie)" title="Kryt (geologie) – Afrikaans" lang="af" hreflang="af" data-title="Kryt (geologie)" data-language-autonym="Afrikaans" data-language-local-name="Afrikaans" class="interlanguage-link-target"><span>Afrikaans</span></a></li><li class="interlanguage-link interwiki-als mw-list-item"><a href="https://als.wikipedia.org/wiki/Kreide_(Geologie)" title="Kreide (Geologie) – Alemannic" lang="gsw" hreflang="gsw" data-title="Kreide (Geologie)" data-language-autonym="Alemannisch" data-language-local-name="Alemannic" class="interlanguage-link-target"><span>Alemannisch</span></a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%A7%D9%84%D8%B9%D8%B5%D8%B1_%D8%A7%D9%84%D8%B7%D8%A8%D8%A7%D8%B4%D9%8A%D8%B1%D9%8A" title="العصر الطباشيري – Arabic" lang="ar" hreflang="ar" data-title="العصر الطباشيري" data-language-autonym="العربية" data-language-local-name="Arabic" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-ast mw-list-item"><a href="https://ast.wikipedia.org/wiki/Cretaceu" title="Cretaceu – Asturian" lang="ast" hreflang="ast" data-title="Cretaceu" data-language-autonym="Asturianu" data-language-local-name="Asturian" class="interlanguage-link-target"><span>Asturianu</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/T%C9%99ba%C5%9Fir_d%C3%B6vr%C3%BC" title="Təbaşir dövrü – Azerbaijani" lang="az" hreflang="az" data-title="Təbaşir dövrü" data-language-autonym="Azərbaycanca" data-language-local-name="Azerbaijani" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-bjn mw-list-item"><a href="https://bjn.wikipedia.org/wiki/Kapur_(pariuda)" title="Kapur (pariuda) – Banjar" lang="bjn" hreflang="bjn" data-title="Kapur (pariuda)" data-language-autonym="Banjar" data-language-local-name="Banjar" class="interlanguage-link-target"><span>Banjar</span></a></li><li class="interlanguage-link interwiki-zh-min-nan mw-list-item"><a href="https://zh-min-nan.wikipedia.org/wiki/Creta-k%C3%AD" title="Creta-kí – Minnan" lang="nan" hreflang="nan" data-title="Creta-kí" data-language-autonym="閩南語 / Bân-lâm-gú" data-language-local-name="Minnan" class="interlanguage-link-target"><span>閩南語 / Bân-lâm-gú</span></a></li><li class="interlanguage-link interwiki-ba mw-list-item"><a href="https://ba.wikipedia.org/wiki/%D0%90%D2%A1%D0%B1%D1%83%D1%80_%D0%BE%D1%81%D0%BE%D1%80%D0%BE" title="Аҡбур осоро – Bashkir" lang="ba" hreflang="ba" data-title="Аҡбур осоро" data-language-autonym="Башҡортса" data-language-local-name="Bashkir" class="interlanguage-link-target"><span>Башҡортса</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%9C%D0%B5%D0%BB%D0%B0%D0%B2%D1%8B_%D0%BF%D0%B5%D1%80%D1%8B%D1%8F%D0%B4" title="Мелавы перыяд – Belarusian" lang="be" hreflang="be" data-title="Мелавы перыяд" data-language-autonym="Беларуская" data-language-local-name="Belarusian" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-be-x-old mw-list-item"><a href="https://be-tarask.wikipedia.org/wiki/%D0%9A%D1%80%D1%8D%D0%B9%D0%B4%D0%B0%D0%B2%D1%8B_%D0%BF%D1%8D%D1%80%D1%8B%D1%8F%D0%B4" title="Крэйдавы пэрыяд – Belarusian (Taraškievica orthography)" lang="be-tarask" hreflang="be-tarask" data-title="Крэйдавы пэрыяд" data-language-autonym="Беларуская (тарашкевіца)" data-language-local-name="Belarusian (Taraškievica orthography)" class="interlanguage-link-target"><span>Беларуская (тарашкевіца)</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%9A%D1%80%D0%B5%D0%B4%D0%B0" title="Креда – Bulgarian" lang="bg" hreflang="bg" data-title="Креда" data-language-autonym="Български" data-language-local-name="Bulgarian" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/Kreda_(period)" title="Kreda (period) – Bosnian" lang="bs" hreflang="bs" data-title="Kreda (period)" data-language-autonym="Bosanski" data-language-local-name="Bosnian" class="interlanguage-link-target"><span>Bosanski</span></a></li><li class="interlanguage-link interwiki-br mw-list-item"><a href="https://br.wikipedia.org/wiki/Kretase" title="Kretase – Breton" lang="br" hreflang="br" data-title="Kretase" data-language-autonym="Brezhoneg" data-language-local-name="Breton" class="interlanguage-link-target"><span>Brezhoneg</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Cretaci" title="Cretaci – Catalan" lang="ca" hreflang="ca" data-title="Cretaci" data-language-autonym="Català" data-language-local-name="Catalan" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cv mw-list-item"><a href="https://cv.wikipedia.org/wiki/%D0%9F%D1%83%D1%80%C4%83_%D1%82%D0%B0%D0%BF%D1%85%C4%83%D1%80%C4%95" title="Пурă тапхăрĕ – Chuvash" lang="cv" hreflang="cv" data-title="Пурă тапхăрĕ" data-language-autonym="Чӑвашла" data-language-local-name="Chuvash" class="interlanguage-link-target"><span>Чӑвашла</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/K%C5%99%C3%ADda" title="Křída – Czech" lang="cs" hreflang="cs" data-title="Křída" data-language-autonym="Čeština" data-language-local-name="Czech" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-cy mw-list-item"><a href="https://cy.wikipedia.org/wiki/Cretasaidd" title="Cretasaidd – Welsh" lang="cy" hreflang="cy" data-title="Cretasaidd" data-language-autonym="Cymraeg" data-language-local-name="Welsh" class="interlanguage-link-target"><span>Cymraeg</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Kridt_(geologisk_periode)" title="Kridt (geologisk periode) – Danish" lang="da" hreflang="da" data-title="Kridt (geologisk periode)" data-language-autonym="Dansk" data-language-local-name="Danish" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Kreide_(Geologie)" title="Kreide (Geologie) – German" lang="de" hreflang="de" data-title="Kreide (Geologie)" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/Kriit_(ajastu)" title="Kriit (ajastu) – Estonian" lang="et" hreflang="et" data-title="Kriit (ajastu)" data-language-autonym="Eesti" data-language-local-name="Estonian" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/%CE%9A%CF%81%CE%B7%CF%84%CE%B9%CE%B4%CE%B9%CE%BA%CE%AE_%CF%80%CE%B5%CF%81%CE%AF%CE%BF%CE%B4%CE%BF%CF%82" title="Κρητιδική περίοδος – Greek" lang="el" hreflang="el" data-title="Κρητιδική περίοδος" data-language-autonym="Ελληνικά" data-language-local-name="Greek" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Cret%C3%A1cico" title="Cretácico – Spanish" lang="es" hreflang="es" data-title="Cretácico" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Kretaceo" title="Kretaceo – Esperanto" lang="eo" hreflang="eo" data-title="Kretaceo" data-language-autonym="Esperanto" data-language-local-name="Esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Kretazeoa" title="Kretazeoa – Basque" lang="eu" hreflang="eu" data-title="Kretazeoa" data-language-autonym="Euskara" data-language-local-name="Basque" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%DA%A9%D8%B1%D8%AA%D8%A7%D8%B3%D9%87" title="کرتاسه – Persian" lang="fa" hreflang="fa" data-title="کرتاسه" data-language-autonym="فارسی" data-language-local-name="Persian" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Cr%C3%A9tac%C3%A9" title="Crétacé – French" lang="fr" hreflang="fr" data-title="Crétacé" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-ga mw-list-item"><a href="https://ga.wikipedia.org/wiki/An_Tr%C3%A9imhse_Chailceach" title="An Tréimhse Chailceach – Irish" lang="ga" hreflang="ga" data-title="An Tréimhse Chailceach" data-language-autonym="Gaeilge" data-language-local-name="Irish" class="interlanguage-link-target"><span>Gaeilge</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/Cret%C3%A1ceo" title="Cretáceo – Galician" lang="gl" hreflang="gl" data-title="Cretáceo" data-language-autonym="Galego" data-language-local-name="Galician" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EB%B0%B1%EC%95%85%EA%B8%B0" title="백악기 – Korean" lang="ko" hreflang="ko" data-title="백악기" data-language-autonym="한국어" data-language-local-name="Korean" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D4%BF%D5%A1%D5%BE%D5%B3%D5%AB_%D5%AA%D5%A1%D5%B4%D5%A1%D5%B6%D5%A1%D5%AF%D5%A1%D5%B7%D6%80%D5%BB%D5%A1%D5%B6" title="Կավճի ժամանակաշրջան – Armenian" lang="hy" hreflang="hy" data-title="Կավճի ժամանակաշրջան" data-language-autonym="Հայերեն" data-language-local-name="Armenian" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%9A%E0%A4%BE%E0%A4%95%E0%A4%AE%E0%A4%AF_%E0%A4%95%E0%A4%B2%E0%A5%8D%E0%A4%AA" title="चाकमय कल्प – Hindi" lang="hi" hreflang="hi" data-title="चाकमय कल्प" data-language-autonym="हिन्दी" data-language-local-name="Hindi" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Kreda_(geolo%C5%A1ko_razdoblje)" title="Kreda (geološko razdoblje) – Croatian" lang="hr" hreflang="hr" data-title="Kreda (geološko razdoblje)" data-language-autonym="Hrvatski" data-language-local-name="Croatian" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Kapur_(zaman)" title="Kapur (zaman) – Indonesian" lang="id" hreflang="id" data-title="Kapur (zaman)" data-language-autonym="Bahasa Indonesia" data-language-local-name="Indonesian" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-ia mw-list-item"><a href="https://ia.wikipedia.org/wiki/Cretaceo" title="Cretaceo – Interlingua" lang="ia" hreflang="ia" data-title="Cretaceo" data-language-autonym="Interlingua" data-language-local-name="Interlingua" class="interlanguage-link-target"><span>Interlingua</span></a></li><li class="interlanguage-link interwiki-os mw-list-item"><a href="https://os.wikipedia.org/wiki/%D0%9C%D0%B5%D0%BB%D0%BE%D0%BD_%D0%BF%D0%B5%D1%80%D0%B8%D0%BE%D0%B4" title="Мелон период – Ossetic" lang="os" hreflang="os" data-title="Мелон период" data-language-autonym="Ирон" data-language-local-name="Ossetic" class="interlanguage-link-target"><span>Ирон</span></a></li><li class="interlanguage-link interwiki-is mw-list-item"><a href="https://is.wikipedia.org/wiki/Kr%C3%ADtart%C3%ADmabili%C3%B0" title="Krítartímabilið – Icelandic" lang="is" hreflang="is" data-title="Krítartímabilið" data-language-autonym="Íslenska" data-language-local-name="Icelandic" class="interlanguage-link-target"><span>Íslenska</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Cretacico" title="Cretacico – Italian" lang="it" hreflang="it" data-title="Cretacico" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%A7%D7%A8%D7%98%D7%99%D7%A7%D7%95%D7%9F" title="קרטיקון – Hebrew" lang="he" hreflang="he" data-title="קרטיקון" data-language-autonym="עברית" data-language-local-name="Hebrew" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-ka mw-list-item"><a href="https://ka.wikipedia.org/wiki/%E1%83%AA%E1%83%90%E1%83%A0%E1%83%AA%E1%83%A3%E1%83%9A%E1%83%98_%E1%83%A1%E1%83%98%E1%83%A1%E1%83%A2%E1%83%94%E1%83%9B%E1%83%90" title="ცარცული სისტემა – Georgian" lang="ka" hreflang="ka" data-title="ცარცული სისტემა" data-language-autonym="ქართული" data-language-local-name="Georgian" class="interlanguage-link-target"><span>ქართული</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D0%91%D0%BE%D1%80_%D0%BA%D0%B5%D0%B7%D0%B5%D2%A3%D1%96" title="Бор кезеңі – Kazakh" lang="kk" hreflang="kk" data-title="Бор кезеңі" data-language-autonym="Қазақша" data-language-local-name="Kazakh" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-ky mw-list-item"><a href="https://ky.wikipedia.org/wiki/%D0%91%D0%BE%D1%80_%D0%BC%D0%B5%D0%B7%D0%B3%D0%B8%D0%BB%D0%B8" title="Бор мезгили – Kyrgyz" lang="ky" hreflang="ky" data-title="Бор мезгили" data-language-autonym="Кыргызча" data-language-local-name="Kyrgyz" class="interlanguage-link-target"><span>Кыргызча</span></a></li><li class="interlanguage-link interwiki-lo mw-list-item"><a href="https://lo.wikipedia.org/wiki/%E0%BA%8D%E0%BA%B8%E0%BA%81%E0%BA%84%E0%BA%A3%E0%BA%B5%E0%BB%80%E0%BA%95%E0%BA%8A%E0%BA%BD%E0%BA%94" title="ຍຸກຄຣີເຕຊຽດ – Lao" lang="lo" hreflang="lo" data-title="ຍຸກຄຣີເຕຊຽດ" data-language-autonym="ລາວ" data-language-local-name="Lao" class="interlanguage-link-target"><span>ລາວ</span></a></li><li class="interlanguage-link interwiki-la mw-list-item"><a href="https://la.wikipedia.org/wiki/Cretaceum" title="Cretaceum – Latin" lang="la" hreflang="la" data-title="Cretaceum" data-language-autonym="Latina" data-language-local-name="Latin" class="interlanguage-link-target"><span>Latina</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/Kr%C4%ABts_(periods)" title="Krīts (periods) – Latvian" lang="lv" hreflang="lv" data-title="Krīts (periods)" data-language-autonym="Latviešu" data-language-local-name="Latvian" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-lb mw-list-item"><a href="https://lb.wikipedia.org/wiki/Kr%C3%A4id_(Geologie)" title="Kräid (Geologie) – Luxembourgish" lang="lb" hreflang="lb" data-title="Kräid (Geologie)" data-language-autonym="Lëtzebuergesch" data-language-local-name="Luxembourgish" class="interlanguage-link-target"><span>Lëtzebuergesch</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Kreida_(periodas)" title="Kreida (periodas) – Lithuanian" lang="lt" hreflang="lt" data-title="Kreida (periodas)" data-language-autonym="Lietuvių" data-language-local-name="Lithuanian" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-li mw-list-item"><a href="https://li.wikipedia.org/wiki/Kriet_(geologie)" title="Kriet (geologie) – Limburgish" lang="li" hreflang="li" data-title="Kriet (geologie)" data-language-autonym="Limburgs" data-language-local-name="Limburgish" class="interlanguage-link-target"><span>Limburgs</span></a></li><li class="interlanguage-link interwiki-lfn mw-list-item"><a href="https://lfn.wikipedia.org/wiki/Cretasica" title="Cretasica – Lingua Franca Nova" lang="lfn" hreflang="lfn" data-title="Cretasica" data-language-autonym="Lingua Franca Nova" data-language-local-name="Lingua Franca Nova" class="interlanguage-link-target"><span>Lingua Franca Nova</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Kr%C3%A9ta_(id%C5%91szak)" title="Kréta (időszak) – Hungarian" lang="hu" hreflang="hu" data-title="Kréta (időszak)" data-language-autonym="Magyar" data-language-local-name="Hungarian" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%9A%D1%80%D0%B5%D0%B4%D0%B0_(%D0%BF%D0%B5%D1%80%D0%B8%D0%BE%D0%B4)" title="Креда (период) – Macedonian" lang="mk" hreflang="mk" data-title="Креда (период)" data-language-autonym="Македонски" data-language-local-name="Macedonian" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-ml mw-list-item"><a href="https://ml.wikipedia.org/wiki/%E0%B4%95%E0%B5%8D%E0%B4%B0%E0%B4%BF%E0%B4%B1%E0%B5%8D%E0%B4%B1%E0%B5%87%E0%B4%B7%E0%B5%8D%E0%B4%AF%E0%B4%B8%E0%B5%8D" title="ക്രിറ്റേഷ്യസ് – Malayalam" lang="ml" hreflang="ml" data-title="ക്രിറ്റേഷ്യസ്" data-language-autonym="മലയാളം" data-language-local-name="Malayalam" class="interlanguage-link-target"><span>മലയാളം</span></a></li><li class="interlanguage-link interwiki-mzn mw-list-item"><a href="https://mzn.wikipedia.org/wiki/%DA%A9%D8%B1%D8%AA%D8%A7%D8%B3%D9%87" title="کرتاسه – Mazanderani" lang="mzn" hreflang="mzn" data-title="کرتاسه" data-language-autonym="مازِرونی" data-language-local-name="Mazanderani" class="interlanguage-link-target"><span>مازِرونی</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Kapur_(geologi)" title="Kapur (geologi) – Malay" lang="ms" hreflang="ms" data-title="Kapur (geologi)" data-language-autonym="Bahasa Melayu" data-language-local-name="Malay" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-cdo mw-list-item"><a href="https://cdo.wikipedia.org/wiki/B%C4%83h-%C3%A1uk-g%C4%AB" title="Băh-áuk-gī – Mindong" lang="cdo" hreflang="cdo" data-title="Băh-áuk-gī" data-language-autonym="閩東語 / Mìng-dĕ̤ng-ngṳ̄" data-language-local-name="Mindong" class="interlanguage-link-target"><span>閩東語 / Mìng-dĕ̤ng-ngṳ̄</span></a></li><li class="interlanguage-link interwiki-my mw-list-item"><a href="https://my.wikipedia.org/wiki/%E1%80%99%E1%80%BC%E1%80%B1%E1%80%96%E1%80%BC%E1%80%B0%E1%80%9A%E1%80%AF%E1%80%82%E1%80%BA_(%E1%80%81%E1%80%9B%E1%80%AE%E1%80%90%E1%80%B1%E1%80%B8%E1%80%9B%E1%80%BE%E1%80%90%E1%80%BA%E1%80%9A%E1%80%AF%E1%80%82%E1%80%BA)" title="မြေဖြူယုဂ် (ခရီတေးရှတ်ယုဂ်) – Burmese" lang="my" hreflang="my" data-title="မြေဖြူယုဂ် (ခရီတေးရှတ်ယုဂ်)" data-language-autonym="မြန်မာဘာသာ" data-language-local-name="Burmese" class="interlanguage-link-target"><span>မြန်မာဘာသာ</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Krijt_(periode)" title="Krijt (periode) – Dutch" lang="nl" hreflang="nl" data-title="Krijt (periode)" data-language-autonym="Nederlands" data-language-local-name="Dutch" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-ne mw-list-item"><a href="https://ne.wikipedia.org/wiki/%E0%A4%96%E0%A4%B0%E0%A5%80%E0%A4%A2%E0%A5%81%E0%A4%99%E0%A5%8D%E0%A4%97%E0%A4%BE_%E0%A4%AF%E0%A5%81%E0%A4%97" title="खरीढुङ्गा युग – Nepali" lang="ne" hreflang="ne" data-title="खरीढुङ्गा युग" data-language-autonym="नेपाली" data-language-local-name="Nepali" class="interlanguage-link-target"><span>नेपाली</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E7%99%BD%E4%BA%9C%E7%B4%80" title="白亜紀 – Japanese" lang="ja" hreflang="ja" data-title="白亜紀" data-language-autonym="日本語" data-language-local-name="Japanese" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-frr mw-list-item"><a href="https://frr.wikipedia.org/wiki/Kritj_(Geologii)" title="Kritj (Geologii) – Northern Frisian" lang="frr" hreflang="frr" data-title="Kritj (Geologii)" data-language-autonym="Nordfriisk" data-language-local-name="Northern Frisian" class="interlanguage-link-target"><span>Nordfriisk</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Kritt_(geologi)" title="Kritt (geologi) – Norwegian Bokmål" lang="nb" hreflang="nb" data-title="Kritt (geologi)" data-language-autonym="Norsk bokmål" data-language-local-name="Norwegian Bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/Krittida" title="Krittida – Norwegian Nynorsk" lang="nn" hreflang="nn" data-title="Krittida" data-language-autonym="Norsk nynorsk" data-language-local-name="Norwegian Nynorsk" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-oc mw-list-item"><a href="https://oc.wikipedia.org/wiki/Cretac%C3%A8u" title="Cretacèu – Occitan" lang="oc" hreflang="oc" data-title="Cretacèu" data-language-autonym="Occitan" data-language-local-name="Occitan" class="interlanguage-link-target"><span>Occitan</span></a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/Bo%CA%BBr_davri" title="Boʻr davri – Uzbek" lang="uz" hreflang="uz" data-title="Boʻr davri" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="Uzbek" class="interlanguage-link-target"><span>Oʻzbekcha / ўзбекча</span></a></li><li class="interlanguage-link interwiki-pnb mw-list-item"><a href="https://pnb.wikipedia.org/wiki/%DA%A9%D8%B1%DB%8C%D9%B9%DB%8C%D8%B4%DB%8C%D8%B3" title="کریٹیشیس – Western Punjabi" lang="pnb" hreflang="pnb" data-title="کریٹیشیس" data-language-autonym="پنجابی" data-language-local-name="Western Punjabi" class="interlanguage-link-target"><span>پنجابی</span></a></li><li class="interlanguage-link interwiki-ps mw-list-item"><a href="https://ps.wikipedia.org/wiki/%DA%A9%D8%B1%DB%90%D9%BC%DB%8C%D8%B3%D9%88%D8%B3" title="کرېټیسوس – Pashto" lang="ps" hreflang="ps" data-title="کرېټیسوس" data-language-autonym="پښتو" data-language-local-name="Pashto" class="interlanguage-link-target"><span>پښتو</span></a></li><li class="interlanguage-link interwiki-pms mw-list-item"><a href="https://pms.wikipedia.org/wiki/Cretass" title="Cretass – Piedmontese" lang="pms" hreflang="pms" data-title="Cretass" data-language-autonym="Piemontèis" data-language-local-name="Piedmontese" class="interlanguage-link-target"><span>Piemontèis</span></a></li><li class="interlanguage-link interwiki-nds mw-list-item"><a href="https://nds.wikipedia.org/wiki/Kried_(Geologie)" title="Kried (Geologie) – Low German" lang="nds" hreflang="nds" data-title="Kried (Geologie)" data-language-autonym="Plattdüütsch" data-language-local-name="Low German" class="interlanguage-link-target"><span>Plattdüütsch</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Kreda_(okres)" title="Kreda (okres) – Polish" lang="pl" hreflang="pl" data-title="Kreda (okres)" data-language-autonym="Polski" data-language-local-name="Polish" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Cret%C3%A1ceo" title="Cretáceo – Portuguese" lang="pt" hreflang="pt" data-title="Cretáceo" data-language-autonym="Português" data-language-local-name="Portuguese" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Cretacic" title="Cretacic – Romanian" lang="ro" hreflang="ro" data-title="Cretacic" data-language-autonym="Română" data-language-local-name="Romanian" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-qu mw-list-item"><a href="https://qu.wikipedia.org/wiki/Isku_Unaq" title="Isku Unaq – Quechua" lang="qu" hreflang="qu" data-title="Isku Unaq" data-language-autonym="Runa Simi" data-language-local-name="Quechua" class="interlanguage-link-target"><span>Runa Simi</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%9C%D0%B5%D0%BB%D0%BE%D0%B2%D0%BE%D0%B9_%D0%BF%D0%B5%D1%80%D0%B8%D0%BE%D0%B4" title="Меловой период – Russian" lang="ru" hreflang="ru" data-title="Меловой период" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sco mw-list-item"><a href="https://sco.wikipedia.org/wiki/Cretaceous" title="Cretaceous – Scots" lang="sco" hreflang="sco" data-title="Cretaceous" data-language-autonym="Scots" data-language-local-name="Scots" class="interlanguage-link-target"><span>Scots</span></a></li><li class="interlanguage-link interwiki-si mw-list-item"><a href="https://si.wikipedia.org/wiki/Cretaceous" title="Cretaceous – Sinhala" lang="si" hreflang="si" data-title="Cretaceous" data-language-autonym="සිංහල" data-language-local-name="Sinhala" class="interlanguage-link-target"><span>සිංහල</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Cretaceous" title="Cretaceous – Simple English" lang="en-simple" hreflang="en-simple" data-title="Cretaceous" data-language-autonym="Simple English" data-language-local-name="Simple English" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/Krieda_(geochronologick%C3%A1_jednotka)" title="Krieda (geochronologická jednotka) – Slovak" lang="sk" hreflang="sk" data-title="Krieda (geochronologická jednotka)" data-language-autonym="Slovenčina" data-language-local-name="Slovak" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/Kreda" title="Kreda – Slovenian" lang="sl" hreflang="sl" data-title="Kreda" data-language-autonym="Slovenščina" data-language-local-name="Slovenian" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-so mw-list-item"><a href="https://so.wikipedia.org/wiki/Nuurad_(da%27da)" title="Nuurad (da'da) – Somali" lang="so" hreflang="so" data-title="Nuurad (da'da)" data-language-autonym="Soomaaliga" data-language-local-name="Somali" class="interlanguage-link-target"><span>Soomaaliga</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/%D0%9A%D1%80%D0%B5%D0%B4%D0%B0_(%D0%BF%D0%B5%D1%80%D0%B8%D0%BE%D0%B4%D0%B0)" title="Креда (периода) – Serbian" lang="sr" hreflang="sr" data-title="Креда (периода)" data-language-autonym="Српски / srpski" data-language-local-name="Serbian" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Kreda_(period)" title="Kreda (period) – Serbo-Croatian" lang="sh" hreflang="sh" data-title="Kreda (period)" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="Serbo-Croatian" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-su mw-list-item"><a href="https://su.wikipedia.org/wiki/Kapur_(period%C3%A9)" title="Kapur (periodé) – Sundanese" lang="su" hreflang="su" data-title="Kapur (periodé)" data-language-autonym="Sunda" data-language-local-name="Sundanese" class="interlanguage-link-target"><span>Sunda</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Liitukausi" title="Liitukausi – Finnish" lang="fi" hreflang="fi" data-title="Liitukausi" data-language-autonym="Suomi" data-language-local-name="Finnish" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Krita_(geologisk_period)" title="Krita (geologisk period) – Swedish" lang="sv" hreflang="sv" data-title="Krita (geologisk period)" data-language-autonym="Svenska" data-language-local-name="Swedish" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-tl mw-list-item"><a href="https://tl.wikipedia.org/wiki/Kretasiko" title="Kretasiko – Tagalog" lang="tl" hreflang="tl" data-title="Kretasiko" data-language-autonym="Tagalog" data-language-local-name="Tagalog" class="interlanguage-link-target"><span>Tagalog</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%95%E0%AE%BF%E0%AE%B0%E0%AF%80%E0%AE%A4%E0%AF%8D%E0%AE%A4%E0%AF%87%E0%AE%9A%E0%AE%BF%E0%AE%AF%E0%AE%95%E0%AF%8D_%E0%AE%95%E0%AE%BE%E0%AE%B2%E0%AE%AE%E0%AF%8D" title="கிரீத்தேசியக் காலம் – Tamil" lang="ta" hreflang="ta" data-title="கிரீத்தேசியக் காலம்" data-language-autonym="தமிழ்" data-language-local-name="Tamil" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-tt mw-list-item"><a href="https://tt.wikipedia.org/wiki/%D0%90%D0%BA%D0%B1%D1%83%D1%80_%D1%87%D0%BE%D1%80%D1%8B" title="Акбур чоры – Tatar" lang="tt" hreflang="tt" data-title="Акбур чоры" data-language-autonym="Татарча / tatarça" data-language-local-name="Tatar" class="interlanguage-link-target"><span>Татарча / tatarça</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a 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data-mw-deduplicate="TemplateStyles:r1257001546">.mw-parser-output .infobox-subbox{padding:0;border:none;margin:-3px;width:auto;min-width:100%;font-size:100%;clear:none;float:none;background-color:transparent}.mw-parser-output .infobox-3cols-child{margin:auto}.mw-parser-output .infobox .navbar{font-size:100%}@media screen{html.skin-theme-clientpref-night .mw-parser-output .infobox-full-data:not(.notheme)>div:not(.notheme)[style]{background:#1f1f23!important;color:#f8f9fa}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .infobox-full-data:not(.notheme) div:not(.notheme){background:#1f1f23!important;color:#f8f9fa}}@media(min-width:640px){body.skin--responsive .mw-parser-output .infobox-table{display:table!important}body.skin--responsive .mw-parser-output .infobox-table>caption{display:table-caption!important}body.skin--responsive .mw-parser-output .infobox-table>tbody{display:table-row-group}body.skin--responsive .mw-parser-output .infobox-table tr{display:table-row!important}body.skin--responsive .mw-parser-output .infobox-table th,body.skin--responsive .mw-parser-output .infobox-table td{padding-left:inherit;padding-right:inherit}}</style><table class="infobox" style="width:23em;"><tbody><tr><th colspan="2" class="infobox-above" style="padding:0.25em 0.33em 0.33em;line-height:1.2em;font-size:1.25em;background:rgb(127,198,78);">Cretaceous</th></tr><tr><td colspan="2" class="infobox-subheader"><span class="noprint"><span style="display:inline-block;"></span><span style="display:inline-block;">~145 – 66.0 <a href="/wiki/Year#SI_prefix_multipliers" title="Year">Ma</a></span> <span style="display:inline-block;"></span><div id="Timeline-row" style="margin: 4px auto 0; clear:both; width:220px; padding:0px; height:18px; overflow:visible; white-space:nowrap; border:1px #666; border-style:solid none; position:relative; z-index:0; font-size:97%;"> <div style="position:absolute; height:100%; left:0px; width:207.23076923077px; padding-left:5px; text-align:left; background-color:rgb(254,217,106); background-image: linear-gradient(to right, rgba(255,255,255,1), rgba(254,217,106,1) 15%, rgba(254,217,106,1));"><a href="/wiki/Precambrian" title="Precambrian">PreꞒ</a></div> <div style="position:absolute; height:100%; text-align:center; background-color:rgb(127,160,86); left:37.636923076923px; width:17.583076923077px;"><a href="/wiki/Cambrian" title="Cambrian">Ꞓ</a></div> <div style="position:absolute; height:100%; text-align:center; background-color:rgb(0,146,112); left:55.22px; width:14.807692307692px;"><a href="/wiki/Ordovician" title="Ordovician">O</a></div> <div style="position:absolute; height:100%; text-align:center; background-color:rgb(179,225,182); left:70.027692307692px; width:7.9470769230769px;"><a href="/wiki/Silurian" title="Silurian">S</a></div> <div style="position:absolute; height:100%; text-align:center; background-color:rgb(203,140,55); left:77.974769230769px; width:20.564923076923px;"><a href="/wiki/Devonian" title="Devonian">D</a></div> <div style="position:absolute; height:100%; text-align:center; background-color:rgb(103,165,153); left:98.539692307692px; width:20.294153846154px;"><a href="/wiki/Carboniferous" title="Carboniferous">C</a></div> <div style="position:absolute; height:100%; text-align:center; background-color:rgb(240,64,40); left:118.83384615385px; width:15.907015384615px;"><a href="/wiki/Permian" title="Permian">P</a></div> <div style="position:absolute; height:100%; text-align:center; background-color:rgb(129,43,146); left:134.74086153846px; width:17.092984615385px;"><a href="/wiki/Triassic" title="Triassic">T</a></div> <div style="position:absolute; height:100%; text-align:center; background-color:rgb(52,178,201); left:151.83384615385px; width:19.732307692308px;"><a href="/wiki/Jurassic" title="Jurassic">J</a></div> <div style="position:absolute; height:100%; text-align:center; background-color:rgb(127,198,78); left:171.56615384615px; width:26.095384615385px;"><a class="mw-selflink selflink">K</a></div> <div style="position:absolute; height:100%; text-align:center; background-color:rgb(253,154,82); left:197.66153846154px; width:14.540307692308px;"><a href="/wiki/Paleogene" title="Paleogene">Pg</a></div> <div style="position:absolute; height:100%; text-align:center; background-color:rgb(255,230,25); left:212.20184615385px; width:6.9249230769231px;"><a href="/wiki/Neogene" title="Neogene">N</a></div> <div id="end-border" style="position:absolute; height:100%; background-color:#666; width:1px; left:219px"></div><div style="margin:0 auto; line-height:0; clear:both; width:220px; padding:0px; height:8px; overflow:visible; background-color:transparent; position:relative; top:-4px; z-index:100;"><div style="position:absolute; height:8px; left:170.92307692308px; width:26.738461538462px; background-color:#360; opacity:0.42;"></div> <div style="position:absolute; height:8px; left:170.92307692308px; width:26.738461538462px; background-color:#360; opacity:1;"></div> <div style="position:absolute; height:6px; top:1px; left:171.92307692308px; width:24.738461538462px; background-color:#6c3;"></div> </div> </div></span></td></tr><tr><td colspan="2" class="infobox-image"><span typeof="mw:File"><a href="/wiki/File:Mollweide_Paleographic_Map_of_Earth,_105_Ma_(Albian_Age).png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/f/f4/Mollweide_Paleographic_Map_of_Earth%2C_105_Ma_%28Albian_Age%29.png/250px-Mollweide_Paleographic_Map_of_Earth%2C_105_Ma_%28Albian_Age%29.png" decoding="async" width="250" height="125" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f4/Mollweide_Paleographic_Map_of_Earth%2C_105_Ma_%28Albian_Age%29.png/375px-Mollweide_Paleographic_Map_of_Earth%2C_105_Ma_%28Albian_Age%29.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f4/Mollweide_Paleographic_Map_of_Earth%2C_105_Ma_%28Albian_Age%29.png/500px-Mollweide_Paleographic_Map_of_Earth%2C_105_Ma_%28Albian_Age%29.png 2x" data-file-width="3610" data-file-height="1810" /></a></span><div class="infobox-caption">A map of Earth as it appeared 105 million years ago during the Early Cretaceous Epoch</div></td></tr><tr><th colspan="2" class="infobox-header" style="background:#ededed;">Chronology</th></tr><tr><td colspan="2" class="infobox-full-data"><div style="font-size:14px"><table id="Container" role="presentation" class="toccolours searchaux" style="text-align:left;padding:0 0.5em;border-style:none;margin:auto;overflow:hidden;min-width:26.100em"><tbody><tr style="vertical-align:top"><td id="Scale" style="padding:0;margin:0.7em 0 0.7em 0;width:4.2em;position:relative;float:left;font-size:100%;height:32em;border-right:1px solid #242020"><div style="float:right;position:absolute;right:-1px;top:29.08em;transform:translateY(-50%)"><span style="font-size:90%">−140 —</span></div><div style="float:right;position:absolute;right:-1px;top:27.23em;transform:translateY(-50%)"><span style="font-size:90%">–</span></div><div style="float:right;position:absolute;right:-1px;top:25.39em;transform:translateY(-50%)"><span style="font-size:90%">−130 —</span></div><div style="float:right;position:absolute;right:-1px;top:23.54em;transform:translateY(-50%)"><span style="font-size:90%">–</span></div><div style="float:right;position:absolute;right:-1px;top:21.70em;transform:translateY(-50%)"><span style="font-size:90%">−120 —</span></div><div style="float:right;position:absolute;right:-1px;top:19.86em;transform:translateY(-50%)"><span style="font-size:90%">–</span></div><div style="float:right;position:absolute;right:-1px;top:18.01em;transform:translateY(-50%)"><span style="font-size:90%">−110 —</span></div><div style="float:right;position:absolute;right:-1px;top:16.17em;transform:translateY(-50%)"><span style="font-size:90%">–</span></div><div style="float:right;position:absolute;right:-1px;top:14.32em;transform:translateY(-50%)"><span style="font-size:90%">−100 —</span></div><div style="float:right;position:absolute;right:-1px;top:12.48em;transform:translateY(-50%)"><span style="font-size:90%">–</span></div><div style="float:right;position:absolute;right:-1px;top:10.63em;transform:translateY(-50%)"><span style="font-size:90%">−90 —</span></div><div style="float:right;position:absolute;right:-1px;top:8.79em;transform:translateY(-50%)"><span style="font-size:90%">–</span></div><div style="float:right;position:absolute;right:-1px;top:6.94em;transform:translateY(-50%)"><span style="font-size:90%">−80 —</span></div><div style="float:right;position:absolute;right:-1px;top:5.10em;transform:translateY(-50%)"><span style="font-size:90%">–</span></div><div style="float:right;position:absolute;right:-1px;top:3.25em;transform:translateY(-50%)"><span style="font-size:90%">−70 —</span></div><div style="float:right;position:absolute;right:-1px;top:1.41em;transform:translateY(-50%)"><span style="font-size:90%">–</span></div></td><td id="Timeline" class="toccolours notheme" style="padding:0px;margin:0.7em 0 0.7em 0;position:relative;font-size:100%;width:10em;height:32em;float:left;border:none;background-color:#000000"><div class="notheme" style="font-size:100%;background-color:rgb(103,197,202);border-style:none none;position:absolute;text-align:center;margin:0;padding:0;top:1.778em;height:30.222em;left:0.000em;width:1.100em"><div class="notheme" style="position:relative;text-align:center;vertical-align:middle;display:block;bottom:-15.111em;transform:translateY(-50%);z-index:5"><div class="center"><span style="line-height:16px;display:block;"><b><style data-mw-deduplicate="TemplateStyles:r1231500821">@supports(writing-mode:vertical-lr){.mw-parser-output .ts-vertical-text{letter-spacing:-0.12em;line-height:1em;text-orientation:upright;writing-mode:vertical-lr;width:1em}}</style><span class="ts-vertical-text" style=""><a href="/wiki/Mesozoic" title="Mesozoic">Mesozoic</a></span></b></span></div></div></div><div class="notheme" style="font-size:100%;background-color:rgb(242,249,29);border-style:none none;position:absolute;text-align:center;margin:0;padding:0;top:0.000em;height:1.778em;left:0.000em;width:1.100em"><div class="notheme" style="position:relative;text-align:center;vertical-align:middle;display:block;bottom:-0.889em;transform:translateY(-50%);z-index:5"><span style="line-height:11px;display:block;"><b><a href="/wiki/Cenozoic" title="Cenozoic">C<br />Z</a></b></span></div></div><div class="notheme" style="font-size:100%;background-color:rgb(52,178,201);border-width:0em;border-style:solid none;position:absolute;text-align:center;margin:0;padding:0;top:30.222em;height:1.778em;left:1.200em;width:8.800em"><div class="notheme" style="position:relative;text-align:center;vertical-align:middle;display:block;bottom:-0.889em;transform:translateY(-50%);z-index:5"><b><a href="/wiki/Jurassic" title="Jurassic">Jurassic</a></b></div></div><div class="notheme" style="font-size:100%;background-color:rgb(127,198,78);border-width:0.05em;border-style:solid none;position:absolute;text-align:center;margin:0;padding:0;top:1.778em;height:28.344em;left:1.200em;width:1.100em"><div class="notheme" style="position:relative;text-align:center;vertical-align:middle;display:block;bottom:-14.172em;transform:translateY(-50%);z-index:5"><span style="line-height:16px;display:block;"><b><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1231500821"><span class="ts-vertical-text" style=""><a class="mw-selflink selflink">Cretaceous</a></span></b></span></div></div><div class="notheme" style="font-size:100%;background-color:rgb(253,154,82);border-width:0em;border-style:solid none;position:absolute;text-align:center;margin:0;padding:0;top:0.000em;height:1.778em;left:1.200em;width:8.800em"><div class="notheme" style="position:relative;text-align:center;vertical-align:middle;display:block;bottom:-0.889em;transform:translateY(-50%);z-index:5"><b><a href="/wiki/Paleogene" title="Paleogene">Paleogene</a></b></div></div><div class="notheme" style="font-size:100%;border-style:none none;position:absolute;text-align:center;margin:0;padding:0;top:0.000em;height:32.000em;left:0.000em;width:10.000em"><div class="notheme" style="position:relative;text-align:center;vertical-align:middle;display:block;bottom:-16.000em;transform:translateY(-50%);z-index:5"></div></div><div class="notheme" style="font-size:100%;background-color:rgb(140,205,87);border-width:0.05em;border-style:solid none;position:absolute;text-align:center;margin:0;padding:0;top:14.506em;height:15.616em;left:2.400em;width:1.100em"><div class="notheme" style="position:relative;text-align:center;vertical-align:middle;display:block;bottom:-7.808em;transform:translateY(-50%);z-index:5"><span style="line-height:14px;display:block;"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1231500821"><span class="ts-vertical-text" style=""><a href="/wiki/Early_Cretaceous" title="Early Cretaceous">Early</a></span></span></div></div><div class="notheme" style="font-size:100%;background-color:rgb(166,216,74);border-width:0em;border-style:solid none;position:absolute;text-align:center;margin:0;padding:0;top:1.778em;height:12.728em;left:2.400em;width:1.100em"><div class="notheme" style="position:relative;text-align:center;vertical-align:middle;display:block;bottom:-6.364em;transform:translateY(-50%);z-index:5"><span style="line-height:14px;display:block;"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1231500821"><span class="ts-vertical-text" style=""><a href="/wiki/Late_Cretaceous" title="Late Cretaceous">Late</a></span></span></div></div><div class="notheme" style="font-size:100%;border-style:none none;position:absolute;text-align:center;margin:0;padding:0;top:0.000em;height:32.000em;left:0.000em;width:10.000em"><div class="notheme" style="position:relative;text-align:center;vertical-align:middle;display:block;bottom:-16.000em;transform:translateY(-50%);z-index:5"></div></div><div class="notheme" style="font-size:100%;background-color:rgb(140,205,96);border-width:0.05em;border-style:solid none;position:absolute;text-align:center;margin:0;padding:0;top:27.990em;height:2.132em;left:3.600em;width:6.400em"><div class="notheme" style="position:relative;text-align:center;vertical-align:middle;display:block;bottom:-1.066em;transform:translateY(-50%);z-index:5"><span style="font-size:90%"><a href="/wiki/Berriasian" title="Berriasian">Berriasian</a></span></div></div><div class="notheme" style="font-size:100%;background-color:rgb(153,211,106);border-width:0em;border-style:solid none;position:absolute;text-align:center;margin:0;padding:0;top:26.348em;height:1.642em;left:3.600em;width:6.400em"><div class="notheme" style="position:relative;text-align:center;vertical-align:middle;display:block;bottom:-0.821em;transform:translateY(-50%);z-index:5"><span style="font-size:90%"><a href="/wiki/Valanginian" title="Valanginian">Valanginian</a></span></div></div><div class="notheme" style="font-size:100%;background-color:rgb(166,217,117);border-width:0.05em;border-style:solid none;position:absolute;text-align:center;margin:0;padding:0;top:23.829em;height:2.420em;left:3.600em;width:6.400em"><div class="notheme" style="position:relative;text-align:center;vertical-align:middle;display:block;bottom:-1.210em;transform:translateY(-50%);z-index:5"><span style="font-size:90%"><a href="/wiki/Hauterivian" title="Hauterivian">Hauterivian</a></span></div></div><div class="notheme" style="font-size:100%;background-color:rgb(179,223,127);border-width:0em;border-style:solid none;position:absolute;text-align:center;margin:0;padding:0;top:22.216em;height:1.612em;left:3.600em;width:6.400em"><div class="notheme" style="position:relative;text-align:center;vertical-align:middle;display:block;bottom:-0.806em;transform:translateY(-50%);z-index:5"><span style="font-size:90%"><a href="/wiki/Barremian" title="Barremian">Barremian</a></span></div></div><div class="notheme" style="font-size:100%;background-color:rgb(191,228,138);border-width:0.05em;border-style:solid none;position:absolute;text-align:center;margin:0;padding:0;top:19.191em;height:2.925em;left:3.600em;width:6.400em"><div class="notheme" style="position:relative;text-align:center;vertical-align:middle;display:block;bottom:-1.463em;transform:translateY(-50%);z-index:5"><span style="font-size:90%"><a href="/wiki/Aptian" title="Aptian">Aptian</a></span></div></div><div class="notheme" style="font-size:100%;background-color:rgb(204,234,151);border-width:0em;border-style:solid none;position:absolute;text-align:center;margin:0;padding:0;top:14.506em;height:4.685em;left:3.600em;width:6.400em"><div class="notheme" style="position:relative;text-align:center;vertical-align:middle;display:block;bottom:-2.343em;transform:translateY(-50%);z-index:5"><span style="font-size:90%"><a href="/wiki/Albian" title="Albian">Albian</a></span></div></div><div class="notheme" style="font-size:100%;background-color:rgb(179,222,83);border-width:0em;border-style:solid none;position:absolute;text-align:center;margin:0;padding:0;top:12.071em;height:2.435em;left:3.600em;width:6.400em"><div class="notheme" style="position:relative;text-align:center;vertical-align:middle;display:block;bottom:-1.217em;transform:translateY(-50%);z-index:5"><span style="font-size:90%;line-height:10px;display:block;"><a href="/wiki/Cenomanian" title="Cenomanian">Cenomanian</a></span></div></div><div class="notheme" style="font-size:100%;background-color:rgb(191,227,93);border-width:0.05em;border-style:solid none;position:absolute;text-align:center;margin:0;padding:0;top:10.558em;height:1.413em;left:3.600em;width:6.400em"><div class="notheme" style="position:relative;text-align:center;vertical-align:middle;display:block;bottom:-0.706em;transform:translateY(-50%);z-index:5"><span style="font-size:90%"><a href="/wiki/Turonian" title="Turonian">Turonian</a></span></div></div><div class="notheme" style="font-size:100%;background-color:rgb(204,233,104);border-width:0em;border-style:solid none;position:absolute;text-align:center;margin:0;padding:0;top:9.046em;height:1.513em;left:3.600em;width:6.400em"><div class="notheme" style="position:relative;text-align:center;vertical-align:middle;display:block;bottom:-0.756em;transform:translateY(-50%);z-index:5"><span style="font-size:90%"><a href="/wiki/Coniacian" title="Coniacian">Coniacian</a></span></div></div><div class="notheme" style="font-size:100%;background-color:rgb(217,239,116);border-width:0.05em;border-style:solid none;position:absolute;text-align:center;margin:0;padding:0;top:8.271em;height:0.675em;left:3.600em;width:6.400em"><div class="notheme" style="position:relative;text-align:center;vertical-align:middle;display:block;bottom:-0.337em;transform:translateY(-50%);z-index:5"><span style="font-size:90%"><a href="/wiki/Santonian" title="Santonian">Santonian</a></span></div></div><div class="notheme" style="font-size:100%;background-color:rgb(230,244,127);border-width:0em;border-style:solid none;position:absolute;text-align:center;margin:0;padding:0;top:4.065em;height:4.206em;left:3.600em;width:6.400em"><div class="notheme" style="position:relative;text-align:center;vertical-align:middle;display:block;bottom:-2.103em;transform:translateY(-50%);z-index:5"><span style="font-size:90%"><a href="/wiki/Campanian" title="Campanian">Campanian</a></span></div></div><div class="notheme" style="font-size:100%;background-color:rgb(242,250,140);border-width:0.05em;border-style:solid none;position:absolute;text-align:center;margin:0;padding:0;top:1.778em;height:2.187em;left:3.600em;width:6.400em"><div class="notheme" style="position:relative;text-align:center;vertical-align:middle;display:block;bottom:-1.094em;transform:translateY(-50%);z-index:5"><span style="font-size:90%;line-height:10px;display:block;"><a href="/wiki/Maastrichtian" title="Maastrichtian">Maastrichtian</a></span></div></div><div class="notheme" style="font-size:100%;background-color:#000000;border-style:none none;position:absolute;text-align:center;margin:0;padding:0;top:0.000em;height:32.000em;left:9.900em;width:0.100em"><div class="notheme" style="position:relative;text-align:center;vertical-align:middle;display:block;bottom:-16.000em;transform:translateY(-50%);z-index:5"> </div></div><div class="notheme" style="font-size:100%;background-color:#000000;border-style:none none;position:absolute;text-align:center;margin:0;padding:0;top:1.778em;height:0.074em;left:0.000em;width:10.000em"><div class="notheme" style="position:relative;text-align:center;vertical-align:middle;display:block;bottom:-0.037em;transform:translateY(-50%);z-index:5"> </div></div><div class="notheme" style="font-size:100%;background-color:#000000;border-style:none none;position:absolute;text-align:center;margin:0;padding:0;top:14.506em;height:0.055em;left:2.300em;width:7.700em"><div class="notheme" style="position:relative;text-align:center;vertical-align:middle;display:block;bottom:-0.028em;transform:translateY(-50%);z-index:5"> </div></div><div class="notheme" style="font-size:100%;background-color:#000000;border-style:none none;position:absolute;text-align:center;margin:0;padding:0;top:30.222em;height:0.221em;left:1.200em;width:8.800em"><div class="notheme" style="position:relative;text-align:center;vertical-align:middle;display:block;bottom:-0.111em;transform:translateY(-50%);z-index:5"> </div></div></td><td id="Annotations" style="padding:0;margin:0.7em 0 0.7em 0;float:left;position:relative;width:10.200em;height:32em"><table role="presentation" style="position:absolute;z-index:15;top:1.778em;left:0em;transform:translateY(-50%);padding:0;margin:0;font-size:100%"><tbody><tr><td style="padding:0;text-align:left;vertical-align:middle"><span style="color:var( --color-base, #000)">←</span></td><td style="padding:0;text-align:left;vertical-align:middle"><div style="z-index:10;font-size:90%;color:var( --color-base, #000);display:block;line-height:105%;bottom:0"><a href="/wiki/Cretaceous%E2%80%93Paleogene_extinction_event" title="Cretaceous–Paleogene extinction event">K-Pg mass<br />extinction</a></div></td></tr></tbody></table></td></tr><tr><td id="Caption" colspan="3" style="padding:0;margin:0 0.2em 0.7em 0.2em"><div id="Caption" class="toccolours" style="margin:0 auto;float:left;border-style:none;clear:both;text-align:center;width:23.000em"><b>Subdivision of the Cretaceous according to the <a href="/wiki/International_Commission_on_Stratigraphy" title="International Commission on Stratigraphy">ICS</a>, as of 2024.</b><sup id="cite_ref-ICS_1-0" class="reference"><a href="#cite_note-ICS-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup><br />Vertical axis scale: <a href="/wiki/Megaannum" class="mw-redirect" title="Megaannum">Millions of years ago</a></div></td></tr></tbody></table></div></td></tr><tr><th colspan="2" class="infobox-header" style="background:#ededed;">Etymology</th></tr><tr><th scope="row" class="infobox-label" style="width:10em;">Name formality</th><td class="infobox-data">Formal</td></tr><tr><th colspan="2" class="infobox-header" style="background:#ededed;">Usage information</th></tr><tr><th scope="row" class="infobox-label" style="width:10em;">Celestial body</th><td class="infobox-data"><a href="/wiki/Geological_history_of_Earth" title="Geological history of Earth">Earth</a></td></tr><tr><th scope="row" class="infobox-label" style="width:10em;">Regional usage</th><td class="infobox-data">Global (<a href="/wiki/International_Commission_on_Stratigraphy" title="International Commission on Stratigraphy">ICS</a>)</td></tr><tr><th scope="row" class="infobox-label" style="width:10em;">Time scale(s) used</th><td class="infobox-data">ICS Time Scale</td></tr><tr><th colspan="2" class="infobox-header" style="background:#ededed;">Definition</th></tr><tr><th scope="row" class="infobox-label" style="width:10em;">Chronological unit</th><td class="infobox-data"><a href="/wiki/Geological_period" class="mw-redirect" title="Geological period">Period</a></td></tr><tr><th scope="row" class="infobox-label" style="width:10em;">Stratigraphic unit</th><td class="infobox-data"><a href="/wiki/System_(stratigraphy)" title="System (stratigraphy)">System</a></td></tr><tr><th scope="row" class="infobox-label" style="width:10em;">Time span formality</th><td class="infobox-data">Formal</td></tr><tr><th scope="row" class="infobox-label" style="width:10em;">Lower boundary definition</th><td class="infobox-data">Not formally defined</td></tr><tr><th scope="row" class="infobox-label" style="width:10em;">Lower boundary definition candidates</th><td class="infobox-data"> <ul><li>Magnetic—base of <a href="/wiki/Chronozone" title="Chronozone">Chron</a> M18r</li> <li>Base of <a href="/wiki/Calpionellid" title="Calpionellid">Calpionellid</a> zone B</li> <li><a href="/wiki/First_appearance_datum" title="First appearance datum">FAD</a> of <a href="/wiki/Ammonite" class="mw-redirect" title="Ammonite">Ammonite</a> <i><a href="/wiki/Berriasella_jacobi" title="Berriasella jacobi">Berriasella jacobi</a></i></li></ul> </td></tr><tr><th scope="row" class="infobox-label" style="width:10em;">Lower boundary GSSP candidate section(s)</th><td class="infobox-data">None</td></tr><tr><th scope="row" class="infobox-label" style="width:10em;">Upper boundary definition</th><td class="infobox-data"><a href="/wiki/Iridium" title="Iridium">Iridium</a>-enriched layer associated with a major meteorite impact and subsequent <a href="/wiki/K-Pg_extinction_event" class="mw-redirect" title="K-Pg extinction event">K-Pg extinction event</a></td></tr><tr><th scope="row" class="infobox-label" style="width:10em;">Upper boundary GSSP</th><td class="infobox-data">El Kef Section, <a href="/wiki/El_Kef" title="El Kef">El Kef</a>, <a href="/wiki/Tunisia" title="Tunisia">Tunisia</a><br /><span class="geo-inline"><style data-mw-deduplicate="TemplateStyles:r1156832818">.mw-parser-output .geo-default,.mw-parser-output .geo-dms,.mw-parser-output .geo-dec{display:inline}.mw-parser-output .geo-nondefault,.mw-parser-output .geo-multi-punct,.mw-parser-output .geo-inline-hidden{display:none}.mw-parser-output .longitude,.mw-parser-output .latitude{white-space:nowrap}</style><span class="plainlinks nourlexpansion"><a class="external text" href="https://geohack.toolforge.org/geohack.php?pagename=Cretaceous&params=36.1537_N_8.6486_E_"><span class="geo-nondefault"><span class="geo-dms" title="Maps, aerial photos, and other data for this location"><span class="latitude">36°09′13″N</span> <span class="longitude">8°38′55″E</span></span></span><span class="geo-multi-punct"> / </span><span class="geo-default"><span class="geo-dec" title="Maps, aerial photos, and other data for this location">36.1537°N 8.6486°E</span><span style="display:none"> / <span class="geo">36.1537; 8.6486</span></span></span></a></span></span></td></tr><tr><th scope="row" class="infobox-label" style="width:10em;">Upper GSSP ratified</th><td class="infobox-data">1991</td></tr></tbody></table> <p>The <b>Cretaceous</b> (<span class="rt-commentedText nowrap"><style data-mw-deduplicate="TemplateStyles:r1177148991">.mw-parser-output .IPA-label-small{font-size:85%}.mw-parser-output .references .IPA-label-small,.mw-parser-output .infobox .IPA-label-small,.mw-parser-output .navbox .IPA-label-small{font-size:100%}</style><span class="IPA-label IPA-label-small"><a href="/wiki/International_Phonetic_Alphabet" title="International Phonetic Alphabet">IPA</a>: </span><span class="IPA nopopups noexcerpt" lang="en-fonipa"><a href="/wiki/Help:IPA/English" title="Help:IPA/English">/<span style="border-bottom:1px dotted"><span title="'k' in 'kind'">k</span><span title="'r' in 'rye'">r</span><span title="/ɪ/: 'i' in 'kit'">ɪ</span><span title="/ˈ/: primary stress follows">ˈ</span><span title="'t' in 'tie'">t</span><span title="/eɪ/: 'a' in 'face'">eɪ</span><span title="/ʃ/: 'sh' in 'shy'">ʃ</span><span title="/ə/: 'a' in 'about'">ə</span><span title="'s' in 'sigh'">s</span></span>/</a></span></span> <a href="/wiki/Help:Pronunciation_respelling_key" title="Help:Pronunciation respelling key"><i title="English pronunciation respelling">krih-<span style="font-size:90%">TAY</span>-shəss</i></a>)<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> is a <a href="/wiki/Geological_period" class="mw-redirect" title="Geological period">geological period</a> that lasted from about 145 to 66 <a href="/wiki/Mya_(unit)" class="mw-redirect" title="Mya (unit)">million years ago</a> (Mya). It is the third and final period of the <a href="/wiki/Mesozoic" title="Mesozoic">Mesozoic</a> <a href="/wiki/Era_(geology)" class="mw-redirect" title="Era (geology)">Era</a>, as well as the longest. At around 77 million years, it is the ninth and longest geological period of the entire <a href="/wiki/Phanerozoic" title="Phanerozoic">Phanerozoic</a>. The name is derived from the Latin <span title="Latin-language text"><i lang="la"><a href="https://en.wiktionary.org/wiki/creta#Latin" class="extiw" title="wikt:creta">creta</a></i></span>, '<a href="/wiki/Chalk" title="Chalk">chalk</a>', which is abundant in the latter half of the period. It is usually abbreviated <b>K</b>, for its German translation <span title="German-language text"><i lang="de">Kreide</i></span>. </p><p>The Cretaceous was a period with a relatively warm <a href="/wiki/Climate" title="Climate">climate</a>, resulting in high <a href="/wiki/Sea_level#Local_and_eustatic" title="Sea level">eustatic sea levels</a> that created numerous shallow <a href="/wiki/Inland_sea_(geology)" class="mw-redirect" title="Inland sea (geology)">inland seas</a>. These oceans and seas were populated with now-<a href="/wiki/Extinct" class="mw-redirect" title="Extinct">extinct</a> <a href="/wiki/Marine_reptile" title="Marine reptile">marine reptiles</a>, <a href="/wiki/Ammonites" class="mw-redirect" title="Ammonites">ammonites</a>, and <a href="/wiki/Rudists" title="Rudists">rudists</a>, while <a href="/wiki/Dinosaur" title="Dinosaur">dinosaurs</a> continued to dominate on land. The world was largely ice-free, although there is some evidence of brief periods of glaciation during the cooler first half, and forests extended to the poles. </p><p>Many of the dominant taxonomic groups present in modern times can be ultimately traced back to origins in the Cretaceous. During this time, new groups of <a href="/wiki/Mammal" title="Mammal">mammals</a> and <a href="/wiki/Birds" class="mw-redirect" title="Birds">birds</a> appeared, including the earliest relatives of <a href="/wiki/Placentalia" title="Placentalia">placentals</a> & <a href="/wiki/Marsupial" title="Marsupial">marsupials</a> (<a href="/wiki/Eutheria" title="Eutheria">Eutheria</a> and <a href="/wiki/Metatheria" title="Metatheria">Metatheria</a> respectively), with the earliest <a href="/wiki/Crown_group" title="Crown group">crown group</a> birds appearing towards to the end of the Cretaceous. <a href="/wiki/Teleost" title="Teleost">Teleost</a> fish, the most diverse group of modern vertebrates continued to diversify during the Cretaceous with the appearance of their most diverse subgroup <a href="/wiki/Acanthomorpha" title="Acanthomorpha">Acanthomorpha</a> during this period. During the Early Cretaceous, <a href="/wiki/Flowering_plant" title="Flowering plant">flowering plants</a> appeared and began to rapidly diversify, becoming the dominant group of <a href="/wiki/Plant" title="Plant">plants</a> across the Earth by the end of the Cretaceous, coincident with the decline and <a href="/wiki/Extinction" title="Extinction">extinction</a> of previously widespread <a href="/wiki/Gymnosperm" title="Gymnosperm">gymnosperm</a> groups. </p><p>The Cretaceous (along with the Mesozoic) ended with the <a href="/wiki/Cretaceous%E2%80%93Paleogene_extinction_event" title="Cretaceous–Paleogene extinction event">Cretaceous–Paleogene extinction event</a>, a large <a href="/wiki/Extinction_event" title="Extinction event">mass extinction</a> in which many groups, including non-avian dinosaurs, <a href="/wiki/Pterosaur" title="Pterosaur">pterosaurs</a>, and large <a href="/wiki/Marine_reptile" title="Marine reptile">marine reptiles</a>, died out, widely thought to have been caused by the impact of a large asteroid that formed the <a href="/wiki/Chicxulub_crater" title="Chicxulub crater">Chicxulub crater</a> in the Gulf of Mexico. The end of the Cretaceous is defined by the abrupt <a href="/wiki/Cretaceous%E2%80%93Paleogene_boundary" title="Cretaceous–Paleogene boundary">Cretaceous–Paleogene boundary</a> (K–Pg boundary), a geologic signature associated with the mass extinction that lies between the Mesozoic and <a href="/wiki/Cenozoic" title="Cenozoic">Cenozoic</a> <a href="/wiki/Era_(geology)" class="mw-redirect" title="Era (geology)">Eras</a>. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Etymology_and_history">Etymology and history</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Cretaceous&action=edit&section=1" title="Edit section: Etymology and history"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The Cretaceous as a separate period was first defined by Belgian geologist <a href="/wiki/Jean_Baptiste_Julien_d%27Omalius_d%27Halloy" title="Jean Baptiste Julien d'Omalius d'Halloy">Jean d'Omalius d'Halloy</a> in 1822 as the <i>Terrain Crétacé</i>,<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> using <a href="/wiki/Stratum" title="Stratum">strata</a> in the <a href="/wiki/Paris_Basin" title="Paris Basin">Paris Basin</a><sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> and named for the extensive beds of <a href="/wiki/Chalk" title="Chalk">chalk</a> (<a href="/wiki/Calcium_carbonate" title="Calcium carbonate">calcium carbonate</a> deposited by the shells of marine <a href="/wiki/Invertebrate" title="Invertebrate">invertebrates</a>, principally <a href="/wiki/Coccoliths" class="mw-redirect" title="Coccoliths">coccoliths</a>), found in the upper Cretaceous of <a href="/wiki/Western_Europe" title="Western Europe">Western Europe</a>. The name Cretaceous was derived from the <a href="/wiki/Latin" title="Latin">Latin</a> <i>creta</i>, meaning <i>chalk</i>.<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> The twofold division of the Cretaceous was implemented by <a href="/wiki/William_Conybeare_(geologist)" title="William Conybeare (geologist)">Conybeare</a> and Phillips in 1822. <a href="/wiki/Alcide_d%27Orbigny" title="Alcide d'Orbigny">Alcide d'Orbigny</a> in 1840 divided the French Cretaceous into five <i>étages</i> (stages): the <a href="/wiki/Neocomian" title="Neocomian">Neocomian</a>, Aptian, Albian, Turonian, and Senonian, later adding the <i>Urgonian</i> between Neocomian and Aptian and the Cenomanian between the Albian and Turonian.<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Geology">Geology</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Cretaceous&action=edit&section=2" title="Edit section: Geology"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="Subdivisions">Subdivisions</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Cretaceous&action=edit&section=3" title="Edit section: Subdivisions"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The Cretaceous is divided into <a href="/wiki/Early_Cretaceous" title="Early Cretaceous">Early</a> and <a href="/wiki/Late_Cretaceous" title="Late Cretaceous">Late Cretaceous</a> <a href="/wiki/Epoch_(geology)" class="mw-redirect" title="Epoch (geology)">epochs</a>, or Lower and Upper Cretaceous <a href="/wiki/Series_(stratigraphy)" title="Series (stratigraphy)">series</a>. In older literature, the Cretaceous is sometimes divided into three series: <a href="/wiki/Neocomian" title="Neocomian">Neocomian</a> (lower/early), <a href="/wiki/Gallic_epoch" title="Gallic epoch">Gallic</a> (middle) and <a href="/wiki/Senonian" class="mw-redirect" title="Senonian">Senonian</a> (upper/late). A subdivision into 12 <a href="/wiki/Stage_(stratigraphy)" title="Stage (stratigraphy)">stages</a>, all originating from European stratigraphy, is now used worldwide. In many parts of the world, alternative local subdivisions are still in use. </p><p>From youngest to oldest, the subdivisions of the Cretaceous period are:<sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> </p> <table class="wikitable"> <caption>Subdivisions of the Cretaceous </caption> <tbody><tr> <th rowspan="2">Epoch</th> <th rowspan="2">Age/Stage</th> <th>Start<br /><i>(base)</i></th> <th rowspan="2">Definition</th> <th rowspan="2">Etymology </th></tr> <tr> <th align="center">(<a href="/wiki/Megaannum" class="mw-redirect" title="Megaannum">Mya</a>) </th></tr> <tr> <td><a href="/wiki/Paleocene" title="Paleocene">Paleocene</a> </td> <td><a href="/wiki/Danian" title="Danian">Danian</a> </td> <td>66 </td> <td> </td> <td> </td></tr> <tr> <td rowspan="6" style="background-color: rgb(166,216,74);"><a href="/wiki/Late_Cretaceous" title="Late Cretaceous">Late Cretaceous</a></td> <td style="background-color: rgb(242,250,140);"><a href="/wiki/Maastrichtian" title="Maastrichtian">Maastrichtian</a></td> <td align="center">72.2 ± 0.2</td> <td>top: iridium anomaly at the <a href="/wiki/Cretaceous%E2%80%93Paleogene_boundary" title="Cretaceous–Paleogene boundary">Cretaceous–Paleogene boundary</a><br />base:first occurrence of <i><a href="/wiki/Pachydiscus" title="Pachydiscus">Pachydiscus neubergicus</a></i> </td> <td><a href="/wiki/Maastricht_Formation" title="Maastricht Formation">Maastricht Formation</a>, <a href="/wiki/Maastricht" title="Maastricht">Maastricht</a>, Netherlands </td></tr> <tr> <td style="background-color: rgb(230,244,127);"><a href="/wiki/Campanian" title="Campanian">Campanian</a></td> <td align="center">83.6 ± 0.2</td> <td>base: last occurrence of <i><a href="/wiki/Marsupites" title="Marsupites">Marsupites testudinarius</a></i></td> <td><a href="/wiki/Champagne_(province)" title="Champagne (province)">Champagne</a>, France </td></tr> <tr> <td style="background-color: rgb(217,239,116);"><a href="/wiki/Santonian" title="Santonian">Santonian</a></td> <td align="center">85.7 ± 0.2</td> <td>base: first occurrence of <i><a href="/wiki/Cladoceramus" title="Cladoceramus">Cladoceramus undulatoplicatus</a></i></td> <td><a href="/wiki/Saintes,_Charente-Maritime" title="Saintes, Charente-Maritime">Saintes</a>, France </td></tr> <tr> <td style="background-color: rgb(204,233,104);"><a href="/wiki/Coniacian" title="Coniacian">Coniacian</a></td> <td align="center">89.8 ± 0.3</td> <td>base: first occurrence of <i><a href="/wiki/Cremnoceramus" title="Cremnoceramus">Cremnoceramus rotundatus</a></i></td> <td><a href="/wiki/Cognac,_France" title="Cognac, France">Cognac</a>, France </td></tr> <tr> <td style="background-color: rgb(191,227,93);"><a href="/wiki/Turonian" title="Turonian">Turonian</a></td> <td align="center">93.9 ± 0.2</td> <td>base: first occurrence of <i><a href="/wiki/Watinoceras" title="Watinoceras">Watinoceras devonense</a></i></td> <td><a href="/wiki/Tours" title="Tours">Tours</a>, France </td></tr> <tr> <td style="background-color: rgb(179,222,83);"><a href="/wiki/Cenomanian" title="Cenomanian">Cenomanian</a></td> <td align="center">100.5 ± 0.1</td> <td>base: first occurrence of <i><a href="/w/index.php?title=Rotalipora&action=edit&redlink=1" class="new" title="Rotalipora (page does not exist)">Rotalipora globotruncanoides</a></i></td> <td><i>Cenomanum</i>; <a href="/wiki/Le_Mans" title="Le Mans">Le Mans</a>, France </td></tr> <tr> <td rowspan="6" style="background-color: rgb(140,205,87);"><a href="/wiki/Early_Cretaceous" title="Early Cretaceous">Early Cretaceous</a></td> <td style="background-color: rgb(204,234,151);"><a href="/wiki/Albian" title="Albian">Albian</a></td> <td align="center">113.2 ± 0.3</td> <td>base: first occurrence of <i><a href="/w/index.php?title=Praediscosphaera&action=edit&redlink=1" class="new" title="Praediscosphaera (page does not exist)">Praediscosphaera columnata</a></i></td> <td><a href="/wiki/Aube_(river)" title="Aube (river)">Aube</a>, France </td></tr> <tr> <td style="background-color: rgb(191,228,138);"><a href="/wiki/Aptian" title="Aptian">Aptian</a></td> <td align="center">121.4 ± 0.6</td> <td>base: <a href="/wiki/Magnetic_anomaly" title="Magnetic anomaly">magnetic anomaly</a> M0r</td> <td><a href="/wiki/Apt,_Vaucluse" title="Apt, Vaucluse">Apt</a>, France </td></tr> <tr> <td style="background-color: rgb(179,223,127);"><a href="/wiki/Barremian" title="Barremian">Barremian</a></td> <td align="center">125.77 ± 1.5</td> <td>base: first occurrence of <i><a href="/wiki/Spitidiscus" title="Spitidiscus">Spitidiscus hugii</a></i> and <i>S. vandeckii</i></td> <td><a href="/wiki/Barr%C3%AAme" title="Barrême">Barrême</a>, France </td></tr> <tr> <td style="background-color: rgb(166,217,117);"><a href="/wiki/Hauterivian" title="Hauterivian">Hauterivian</a></td> <td align="center">132.6 ± 0.6</td> <td>base: first occurrence of <i><a href="/wiki/Acanthodiscus" title="Acanthodiscus">Acanthodiscus</a></i></td> <td><a href="/wiki/Hauterive,_Neuch%C3%A2tel" title="Hauterive, Neuchâtel">Hauterive</a>, Switzerland </td></tr> <tr> <td style="background-color: rgb(153,211,106);"><a href="/wiki/Valanginian" title="Valanginian">Valanginian</a></td> <td align="center">137.05 ± 0.2</td> <td>base: first occurrence of <i><a href="/wiki/Calpionellites" title="Calpionellites">Calpionellites darderi</a></i></td> <td><a href="/wiki/Valangin" title="Valangin">Valangin</a>, Switzerland </td></tr> <tr> <td style="background-color: rgb(140,205,96);"><a href="/wiki/Berriasian" title="Berriasian">Berriasian</a></td> <td align="center">143.1 ±0.6</td> <td>base: first occurrence of <i><a href="/wiki/Berriasella" title="Berriasella">Berriasella jacobi</a></i> (traditionally);<br />first occurrence of <i><a href="/wiki/Calpionella" title="Calpionella">Calpionella alpina</a></i> (since 2016)</td> <td><a href="/wiki/Berrias-et-Casteljau" title="Berrias-et-Casteljau">Berrias</a>, France </td></tr> </tbody></table> <div class="mw-heading mw-heading3"><h3 id="Boundaries">Boundaries</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Cretaceous&action=edit&section=4" title="Edit section: Boundaries"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Impact_event.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/c/cb/Impact_event.jpg/220px-Impact_event.jpg" decoding="async" width="220" height="153" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/cb/Impact_event.jpg/330px-Impact_event.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/cb/Impact_event.jpg/440px-Impact_event.jpg 2x" data-file-width="517" data-file-height="360" /></a><figcaption>The impact of a <a href="/wiki/Meteorite" title="Meteorite">meteorite</a> or <a href="/wiki/Comet" title="Comet">comet</a> is today widely accepted as the main reason for the <a href="/wiki/Cretaceous%E2%80%93Paleogene_extinction_event" title="Cretaceous–Paleogene extinction event">Cretaceous–Paleogene extinction event</a>.</figcaption></figure> <style data-mw-deduplicate="TemplateStyles:r1236090951">.mw-parser-output .hatnote{font-style:italic}.mw-parser-output div.hatnote{padding-left:1.6em;margin-bottom:0.5em}.mw-parser-output .hatnote i{font-style:normal}.mw-parser-output .hatnote+link+.hatnote{margin-top:-0.5em}@media print{body.ns-0 .mw-parser-output .hatnote{display:none!important}}</style><div role="note" class="hatnote navigation-not-searchable">See also: <a href="/wiki/Cretaceous%E2%80%93Paleogene_extinction_event" title="Cretaceous–Paleogene extinction event">Cretaceous–Paleogene extinction event</a></div> <p>The lower boundary of the Cretaceous is currently undefined, and the Jurassic–Cretaceous boundary is currently the only system boundary to lack a defined <a href="/wiki/Global_Boundary_Stratotype_Section_and_Point" title="Global Boundary Stratotype Section and Point">Global Boundary Stratotype Section and Point</a> (GSSP). Placing a GSSP for this boundary has been difficult because of the strong regionality of most biostratigraphic markers, and the lack of any <a href="/wiki/Chemostratigraphy" title="Chemostratigraphy">chemostratigraphic</a> events, such as <a href="/wiki/Isotope" title="Isotope">isotope</a> excursions (large sudden changes in <a href="/wiki/Stable_isotope_ratio" title="Stable isotope ratio">ratios of isotopes</a>) that could be used to define or correlate a boundary. <a href="/wiki/Calpionellid" title="Calpionellid">Calpionellids</a>, an enigmatic group of <a href="/wiki/Plankton" title="Plankton">planktonic</a> <a href="/wiki/Protist" title="Protist">protists</a> with urn-shaped calcitic <a href="/wiki/Test_(biology)" title="Test (biology)">tests</a> briefly abundant during the latest Jurassic to earliest Cretaceous, have been suggested as the most promising candidates for fixing the Jurassic–Cretaceous boundary.<sup id="cite_ref-8" class="reference"><a href="#cite_note-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> In particular, the first appearance <i><a href="/wiki/Calpionella" title="Calpionella">Calpionella alpina</a></i>, coinciding with the base of the eponymous Alpina subzone, has been proposed as the definition of the base of the Cretaceous.<sup id="cite_ref-9" class="reference"><a href="#cite_note-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> The working definition for the boundary has often been placed as the first appearance of the ammonite <i><a href="/wiki/Strambergella_jacobi" class="mw-redirect" title="Strambergella jacobi">Strambergella jacobi</a></i>, formerly placed in the genus <i><a href="/wiki/Berriasella" title="Berriasella">Berriasella</a></i>, but its use as a stratigraphic indicator has been questioned, as its first appearance does not correlate with that of <i>C. alpina</i>.<sup id="cite_ref-10" class="reference"><a href="#cite_note-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> The boundary is officially considered by the <a href="/wiki/International_Commission_on_Stratigraphy" title="International Commission on Stratigraphy">International Commission on Stratigraphy</a> to be approximately 145 million years ago,<sup id="cite_ref-11" class="reference"><a href="#cite_note-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup> but other estimates have been proposed based on U-Pb geochronology, ranging as young as 140 million years ago.<sup id="cite_ref-12" class="reference"><a href="#cite_note-12"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-13" class="reference"><a href="#cite_note-13"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup> </p><p>The upper boundary of the Cretaceous is sharply defined, being placed at an <a href="/wiki/Iridium" title="Iridium">iridium</a>-rich layer found worldwide that is believed to be associated with the <a href="/wiki/Chicxulub_Crater" class="mw-redirect" title="Chicxulub Crater">Chicxulub impact crater</a>, with its boundaries circumscribing parts of the <a href="/wiki/Yucat%C3%A1n_Peninsula" title="Yucatán Peninsula">Yucatán Peninsula</a> and extending into the <a href="/wiki/Gulf_of_Mexico" title="Gulf of Mexico">Gulf of Mexico</a>. This layer has been dated at 66.043 Mya.<sup id="cite_ref-14" class="reference"><a href="#cite_note-14"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup> </p><p>At the end of the Cretaceous, the impact of a large <a href="/wiki/Small_Solar_System_body" title="Small Solar System body">body</a> with the Earth may have been the punctuation mark at the end of a progressive decline in <a href="/wiki/Biodiversity" title="Biodiversity">biodiversity</a> during the Maastrichtian age. The result was the extinction of three-quarters of Earth's plant and animal species. The impact created the sharp break known as the <a href="/wiki/K%E2%80%93Pg_boundary" class="mw-redirect" title="K–Pg boundary">K–Pg boundary</a> (formerly known as the K–T boundary). Earth's biodiversity required substantial time to recover from this event, despite the probable existence of an abundance of vacant <a href="/wiki/Ecological_niche" title="Ecological niche">ecological niches</a>.<sup id="cite_ref-MacLeod_15-0" class="reference"><a href="#cite_note-MacLeod-15"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup> </p><p>Despite the severity of the K-Pg extinction event, there were significant variations in the rate of extinction between and within different <a href="/wiki/Clade" title="Clade">clades</a>. Species that depended on <a href="/wiki/Photosynthesis" title="Photosynthesis">photosynthesis</a> declined or became extinct as atmospheric particles blocked <a href="/wiki/Solar_energy" title="Solar energy">solar energy</a>. As is the case today, photosynthesizing organisms, such as <a href="/wiki/Phytoplankton" title="Phytoplankton">phytoplankton</a> and land <a href="/wiki/Plant" title="Plant">plants</a>, formed the primary part of the <a href="/wiki/Food_chain" title="Food chain">food chain</a> in the late Cretaceous, and all else that depended on them suffered, as well. <a href="/wiki/Herbivore" title="Herbivore">Herbivorous</a> animals, which depended on plants and plankton as their food, died out as their food sources became scarce; consequently, the top <a href="/wiki/Predator" class="mw-redirect" title="Predator">predators</a>, such as <i><a href="/wiki/Tyrannosaurus" title="Tyrannosaurus">Tyrannosaurus rex</a></i>, also perished.<sup id="cite_ref-16" class="reference"><a href="#cite_note-16"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup> Yet only three major groups of <a href="/wiki/Tetrapod" title="Tetrapod">tetrapods</a> disappeared completely; the nonavian <a href="/wiki/Dinosaur" title="Dinosaur">dinosaurs</a>, the <a href="/wiki/Plesiosauria" class="mw-redirect" title="Plesiosauria">plesiosaurs</a> and the <a href="/wiki/Pterosaur" title="Pterosaur">pterosaurs</a>. The other Cretaceous groups that did not survive into the Cenozoic <span class="nowrap">Era<span style="white-space: nowrap;"> </span>—</span><span style="white-space: nowrap;"> </span>the <a href="/wiki/Ichthyosaur" class="mw-redirect" title="Ichthyosaur">ichthyosaurs</a>, last remaining <a href="/wiki/Temnospondyli" title="Temnospondyli">temnospondyls</a> (<a href="/wiki/Koolasuchus" title="Koolasuchus">Koolasuchus</a>), and nonmammalian <span class="nowrap"><a href="/wiki/Cynodont" class="mw-redirect" title="Cynodont">cynodonts</a> (<a href="/wiki/Tritylodontidae" title="Tritylodontidae">Tritylodontidae</a>) <span style="white-space: nowrap;"> </span>—</span><span style="white-space: nowrap;"> </span> were already extinct millions of years before the event occurred.<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (April 2017)">citation needed</span></a></i>]</sup> </p><p><a href="/wiki/Coccolithophorids" class="mw-redirect" title="Coccolithophorids">Coccolithophorids</a> and <a href="/wiki/Mollusc" class="mw-redirect" title="Mollusc">molluscs</a>, including <a href="/wiki/Ammonite" class="mw-redirect" title="Ammonite">ammonites</a>, <a href="/wiki/Rudist" class="mw-redirect" title="Rudist">rudists</a>, <a href="/wiki/Freshwater_snail" title="Freshwater snail">freshwater snails</a>, and <a href="/wiki/Mussel" title="Mussel">mussels</a>, as well as organisms whose food chain included these shell builders, became extinct or suffered heavy losses. For example, <a href="/wiki/Ammonoidea" title="Ammonoidea">ammonites</a> are thought to have been the principal food of <a href="/wiki/Mosasaur" title="Mosasaur">mosasaurs</a>, a group of giant marine <a href="/wiki/Lizard" title="Lizard">lizards</a> related to snakes that became extinct at the boundary.<sup id="cite_ref-Kauffman_17-0" class="reference"><a href="#cite_note-Kauffman-17"><span class="cite-bracket">[</span>17<span class="cite-bracket">]</span></a></sup> </p><p><a href="/wiki/Omnivores" class="mw-redirect" title="Omnivores">Omnivores</a>, <a href="/wiki/Insectivores" class="mw-redirect" title="Insectivores">insectivores</a>, and <a href="/wiki/Carrion" title="Carrion">carrion</a>-eaters survived the extinction event, perhaps because of the increased availability of their food sources. At the end of the Cretaceous, there seem to have been no purely herbivorous or <a href="/wiki/Carnivore" title="Carnivore">carnivorous</a> <a href="/wiki/Mammal" title="Mammal">mammals</a>. Mammals and birds that survived the extinction fed on <a href="/wiki/Insect" title="Insect">insects</a>, <a href="/wiki/Larva" title="Larva">larvae</a>, <a href="/wiki/Worm" title="Worm">worms</a>, and snails, which in turn fed on dead plant and animal matter. Scientists theorise that these organisms survived the collapse of plant-based food chains because they fed on <a href="/wiki/Detritus_(biology)" class="mw-redirect" title="Detritus (biology)">detritus</a>.<sup id="cite_ref-SheehanHansen_18-0" class="reference"><a href="#cite_note-SheehanHansen-18"><span class="cite-bracket">[</span>18<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-MacLeod_15-1" class="reference"><a href="#cite_note-MacLeod-15"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-19" class="reference"><a href="#cite_note-19"><span class="cite-bracket">[</span>19<span class="cite-bracket">]</span></a></sup> </p><p>In <a href="/wiki/Stream" title="Stream">stream</a> <a href="/wiki/Biocoenosis" title="Biocoenosis">communities</a>, few groups of animals became extinct. Stream communities rely less on food from living plants and more on detritus that washes in from land. This particular ecological niche buffered them from extinction.<sup id="cite_ref-20" class="reference"><a href="#cite_note-20"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup> Similar, but more complex patterns have been found in the oceans. Extinction was more severe among animals living in the <a href="/wiki/Pelagic_zone" title="Pelagic zone">water column</a> than among animals living on or in the seafloor. Animals in the water column are almost entirely dependent on <a href="/wiki/Primary_production" title="Primary production">primary production</a> from living phytoplankton, while animals living on or in the <a href="/wiki/Ocean_floor" class="mw-redirect" title="Ocean floor">ocean floor</a> feed on detritus or can switch to detritus feeding.<sup id="cite_ref-MacLeod_15-2" class="reference"><a href="#cite_note-MacLeod-15"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup> </p><p>The largest air-breathing survivors of the event, <a href="/wiki/Crocodilian" class="mw-redirect" title="Crocodilian">crocodilians</a> and <a href="/wiki/Choristodera" title="Choristodera">champsosaurs</a>, were semiaquatic and had access to detritus. Modern crocodilians can live as scavengers and can survive for months without food and go into hibernation when conditions are unfavorable, and their young are small, grow slowly, and feed largely on invertebrates and dead organisms or fragments of organisms for their first few years. These characteristics have been linked to crocodilian survival at the end of the Cretaceous.<sup id="cite_ref-SheehanHansen_18-1" class="reference"><a href="#cite_note-SheehanHansen-18"><span class="cite-bracket">[</span>18<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Geologic_formations">Geologic formations</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Cretaceous&action=edit&section=5" title="Edit section: Geologic formations"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size mw-halign-left" typeof="mw:File/Thumb"><a href="/wiki/File:MosasaurusHoffmann.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/2/25/MosasaurusHoffmann.jpg/220px-MosasaurusHoffmann.jpg" decoding="async" width="220" height="137" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/2/25/MosasaurusHoffmann.jpg/330px-MosasaurusHoffmann.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/2/25/MosasaurusHoffmann.jpg/440px-MosasaurusHoffmann.jpg 2x" data-file-width="1924" data-file-height="1197" /></a><figcaption>Drawing of fossil jaws of <i><a href="/wiki/Mosasaurus" title="Mosasaurus">Mosasaurus hoffmanni</a></i>, from the <a href="/wiki/Maastrichtian" title="Maastrichtian">Maastrichtian</a> of <a href="/wiki/Limburg_(Netherlands)" title="Limburg (Netherlands)">Dutch Limburg</a>, by Dutch geologist <a href="/wiki/Pieter_Harting" title="Pieter Harting">Pieter Harting</a> (1866)</figcaption></figure> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:9119_-_Milano,_Museo_storia_naturale_-_Scipionyx_samniticus_-_Foto_Giovanni_Dall%27Orto_22-Apr-2007.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/f/fa/9119_-_Milano%2C_Museo_storia_naturale_-_Scipionyx_samniticus_-_Foto_Giovanni_Dall%27Orto_22-Apr-2007.jpg/220px-9119_-_Milano%2C_Museo_storia_naturale_-_Scipionyx_samniticus_-_Foto_Giovanni_Dall%27Orto_22-Apr-2007.jpg" decoding="async" width="220" height="146" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/fa/9119_-_Milano%2C_Museo_storia_naturale_-_Scipionyx_samniticus_-_Foto_Giovanni_Dall%27Orto_22-Apr-2007.jpg/330px-9119_-_Milano%2C_Museo_storia_naturale_-_Scipionyx_samniticus_-_Foto_Giovanni_Dall%27Orto_22-Apr-2007.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/fa/9119_-_Milano%2C_Museo_storia_naturale_-_Scipionyx_samniticus_-_Foto_Giovanni_Dall%27Orto_22-Apr-2007.jpg/440px-9119_-_Milano%2C_Museo_storia_naturale_-_Scipionyx_samniticus_-_Foto_Giovanni_Dall%27Orto_22-Apr-2007.jpg 2x" data-file-width="2048" data-file-height="1360" /></a><figcaption><i><a href="/wiki/Scipionyx" title="Scipionyx">Scipionyx</a></i>, a <a href="/wiki/Theropod" class="mw-redirect" title="Theropod">theropod</a> dinosaur from the Early Cretaceous of Italy</figcaption></figure> <p>The high sea level and warm climate of the Cretaceous meant large areas of the continents were covered by warm, shallow seas, providing habitat for many marine organisms. The Cretaceous was named for the extensive chalk deposits of this age in Europe, but in many parts of the world, the deposits from the Cretaceous are of <a href="/wiki/Lake_sediment" class="mw-redirect" title="Lake sediment">marine</a> <a href="/wiki/Limestone" title="Limestone">limestone</a>, a rock type that is formed under warm, shallow marine conditions. Due to the high sea level, there was extensive <a href="/wiki/Accommodation_(geology)" title="Accommodation (geology)">space</a> for such <a href="/wiki/Sedimentation" title="Sedimentation">sedimentation</a>. Because of the relatively young age and great thickness of the system, Cretaceous rocks are evident in many areas worldwide. </p><p><a href="/wiki/Chalk" title="Chalk">Chalk</a> is a rock type characteristic for (but not restricted to) the Cretaceous. It consists of <a href="/wiki/Coccolith" title="Coccolith">coccoliths</a>, microscopically small <a href="/wiki/Calcite" title="Calcite">calcite</a> skeletons of <a href="/wiki/Coccolithophore" title="Coccolithophore">coccolithophores</a>, a type of <a href="/wiki/Algae" title="Algae">algae</a> that prospered in the Cretaceous seas. </p><p>Stagnation of deep sea currents in middle Cretaceous times caused anoxic conditions in the sea water leaving the deposited organic matter undecomposed. Half of the world's petroleum reserves were laid down at this time in the anoxic conditions of what would become the Persian Gulf and the Gulf of Mexico. In many places around the world, dark anoxic <a href="/wiki/Shale" title="Shale">shales</a> were formed during this interval,<sup id="cite_ref-FOOTNOTEStanley1999481–482_21-0" class="reference"><a href="#cite_note-FOOTNOTEStanley1999481–482-21"><span class="cite-bracket">[</span>21<span class="cite-bracket">]</span></a></sup> such as the <a href="/wiki/Mancos_Shale" title="Mancos Shale">Mancos Shale</a> of western North America.<sup id="cite_ref-22" class="reference"><a href="#cite_note-22"><span class="cite-bracket">[</span>22<span class="cite-bracket">]</span></a></sup> These shales are an important <a href="/wiki/Source_rock" title="Source rock">source rock</a> for <a href="/wiki/Fossil_fuel" title="Fossil fuel">oil and gas</a>, for example in the subsurface of the North Sea. </p> <div class="mw-heading mw-heading4"><h4 id="Europe">Europe</h4><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Cretaceous&action=edit&section=6" title="Edit section: Europe"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">See also: <a href="/wiki/Category:Cretaceous_System_of_Europe" title="Category:Cretaceous System of Europe">Category:Cretaceous System of Europe</a></div> <p>In northwestern Europe, chalk deposits from the Upper Cretaceous are characteristic for the <a href="/wiki/Chalk_Group" title="Chalk Group">Chalk Group</a>, which forms the <a href="/wiki/White_cliffs_of_Dover" class="mw-redirect" title="White cliffs of Dover">white cliffs of Dover</a> on the south coast of <a href="/wiki/England" title="England">England</a> and similar cliffs on the <a href="/wiki/France" title="France">French</a> <a href="/wiki/Normandy" title="Normandy">Normandian</a> coast. The <a href="/wiki/Group_(stratigraphy)" title="Group (stratigraphy)">group</a> is found in England, northern France, the <a href="/wiki/Low_countries" class="mw-redirect" title="Low countries">low countries</a>, northern <a href="/wiki/Germany" title="Germany">Germany</a>, <a href="/wiki/Denmark" title="Denmark">Denmark</a> and in the subsurface of the southern part of the <a href="/wiki/North_Sea" title="North Sea">North Sea</a>. Chalk is not easily <a href="/wiki/Consolidation_(soil)" class="mw-redirect" title="Consolidation (soil)">consolidated</a> and the Chalk Group still consists of loose sediments in many places. The group also has other <a href="/wiki/Limestone" title="Limestone">limestones</a> and <a href="/wiki/Arenite" title="Arenite">arenites</a>. Among the fossils it contains are <a href="/wiki/Sea_urchin" title="Sea urchin">sea urchins</a>, <a href="/wiki/Belemnite" class="mw-redirect" title="Belemnite">belemnites</a>, <a href="/wiki/Ammonite" class="mw-redirect" title="Ammonite">ammonites</a> and sea reptiles such as <i><a href="/wiki/Mosasaurus" title="Mosasaurus">Mosasaurus</a></i>. </p><p>In southern Europe, the Cretaceous is usually a marine system consisting of <a href="/wiki/Competence_(geology)" title="Competence (geology)">competent</a> limestone beds or incompetent <a href="/wiki/Marl" title="Marl">marls</a>. Because the <a href="/wiki/Alpine_orogeny" title="Alpine orogeny">Alpine mountain chains</a> did not yet exist in the Cretaceous, these deposits formed on the southern edge of the European <a href="/wiki/Continental_shelf" title="Continental shelf">continental shelf</a>, at the margin of the <a href="/wiki/Tethys_Ocean" title="Tethys Ocean">Tethys Ocean</a>. </p> <div class="mw-heading mw-heading4"><h4 id="North_America">North America</h4><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Cretaceous&action=edit&section=7" title="Edit section: North America"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">See also: <a href="/wiki/Category:Cretaceous_System_of_North_America" title="Category:Cretaceous System of North America">Category:Cretaceous System of North America</a></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Map_of_North_America_with_the_Western_Interior_Seaway_during_the_Campanian_(Upper_Cretaceous).png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/2/23/Map_of_North_America_with_the_Western_Interior_Seaway_during_the_Campanian_%28Upper_Cretaceous%29.png/220px-Map_of_North_America_with_the_Western_Interior_Seaway_during_the_Campanian_%28Upper_Cretaceous%29.png" decoding="async" width="220" height="270" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/2/23/Map_of_North_America_with_the_Western_Interior_Seaway_during_the_Campanian_%28Upper_Cretaceous%29.png/330px-Map_of_North_America_with_the_Western_Interior_Seaway_during_the_Campanian_%28Upper_Cretaceous%29.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/2/23/Map_of_North_America_with_the_Western_Interior_Seaway_during_the_Campanian_%28Upper_Cretaceous%29.png/440px-Map_of_North_America_with_the_Western_Interior_Seaway_during_the_Campanian_%28Upper_Cretaceous%29.png 2x" data-file-width="1945" data-file-height="2391" /></a><figcaption>Map of North America During the Late Cretaceous</figcaption></figure> <p>During the Cretaceous, the present North American continent was isolated from the other continents. In the Jurassic, the North Atlantic already opened, leaving a proto-ocean between Europe and North America. From north to south across the continent, the <a href="/wiki/Western_Interior_Seaway" title="Western Interior Seaway">Western Interior Seaway</a> started forming. This inland sea separated the elevated areas of <a href="/wiki/Laramidia" title="Laramidia">Laramidia</a> in the west and <a href="/wiki/Appalachia_(landmass)" title="Appalachia (landmass)">Appalachia</a> in the east. Three dinosaur clades found in Laramidia (troodontids, therizinosaurids and oviraptorosaurs) are absent from Appalachia from the Coniacian through the Maastrichtian.<sup id="cite_ref-Brownstein2018_23-0" class="reference"><a href="#cite_note-Brownstein2018-23"><span class="cite-bracket">[</span>23<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Paleogeography">Paleogeography</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Cretaceous&action=edit&section=8" title="Edit section: Paleogeography"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>During the Cretaceous, the late-<a href="/wiki/Paleozoic" title="Paleozoic">Paleozoic</a>-to-early-Mesozoic <a href="/wiki/Supercontinent" title="Supercontinent">supercontinent</a> of <a href="/wiki/Pangaea" title="Pangaea">Pangaea</a> completed its <a href="/wiki/Plate_tectonics" title="Plate tectonics">tectonic</a> breakup into the present-day <a href="/wiki/Continent" title="Continent">continents</a>, although their positions were substantially different at the time. As the <a href="/wiki/Atlantic_Ocean" title="Atlantic Ocean">Atlantic Ocean</a> widened, the convergent-margin mountain building (<a href="/wiki/Orogeny" title="Orogeny">orogenies</a>) that had begun during the <a href="/wiki/Jurassic" title="Jurassic">Jurassic</a> continued in the <a href="/wiki/American_cordillera" class="mw-redirect" title="American cordillera">North American Cordillera</a>, as the <a href="/wiki/Nevadan_orogeny" title="Nevadan orogeny">Nevadan orogeny</a> was followed by the <a href="/wiki/Sevier_orogeny" title="Sevier orogeny">Sevier</a> and <a href="/wiki/Laramide_orogeny" title="Laramide orogeny">Laramide orogenies</a>. </p><p><a href="/wiki/Gondwana" title="Gondwana">Gondwana</a> had begun to break up during the Jurassic Period, but its fragmentation accelerated during the Cretaceous and was largely complete by the end of the period. <a href="/wiki/South_America" title="South America">South America</a>, <a href="/wiki/Antarctica" title="Antarctica">Antarctica</a>, and <a href="/wiki/Australia" title="Australia">Australia</a> rifted away from <a href="/wiki/Africa" title="Africa">Africa</a> (though <a href="/wiki/India" title="India">India</a> and <a href="/wiki/Madagascar" title="Madagascar">Madagascar</a> remained attached to each other until around 80 million years ago); thus, the South Atlantic and <a href="/wiki/Indian_Ocean" title="Indian Ocean">Indian Oceans</a> were newly formed. Such active rifting lifted great undersea mountain chains along the welts, raising <a href="/wiki/Sea_level#Dry_land" title="Sea level">eustatic sea levels</a> worldwide. To the north of Africa the <a href="/wiki/Tethys_Sea" class="mw-redirect" title="Tethys Sea">Tethys Sea</a> continued to narrow. During most of the Late Cretaceous, North America would be divided in two by the <a href="/wiki/Western_Interior_Seaway" title="Western Interior Seaway">Western Interior Seaway</a>, a large interior sea, separating <a href="/wiki/Laramidia" title="Laramidia">Laramidia</a> to the west and <a href="/wiki/Appalachia_(landmass)" title="Appalachia (landmass)">Appalachia</a> to the east, then receded late in the period, leaving thick marine deposits sandwiched between <a href="/wiki/Coal" title="Coal">coal</a> beds. Bivalve palaeobiogeography also indicates that Africa was split in half by a shallow sea during the Coniacian and Santonian, connecting the Tethys with the South Atlantic by way of the central Sahara and Central Africa, which were then underwater.<sup id="cite_ref-24" class="reference"><a href="#cite_note-24"><span class="cite-bracket">[</span>24<span class="cite-bracket">]</span></a></sup> Yet another shallow seaway ran between what is now Norway and Greenland, connecting the Tethys to the Arctic Ocean and enabling biotic exchange between the two oceans.<sup id="cite_ref-25" class="reference"><a href="#cite_note-25"><span class="cite-bracket">[</span>25<span class="cite-bracket">]</span></a></sup> At the peak of the Cretaceous <a href="/wiki/Transgression_(geology)" class="mw-redirect" title="Transgression (geology)">transgression</a>, one-third of Earth's present land area was submerged.<sup id="cite_ref-26" class="reference"><a href="#cite_note-26"><span class="cite-bracket">[</span>26<span class="cite-bracket">]</span></a></sup> </p><p>The Cretaceous is justly famous for its <a href="/wiki/Chalk" title="Chalk">chalk</a>; indeed, more chalk formed in the Cretaceous than in any other period in the <a href="/wiki/Phanerozoic" title="Phanerozoic">Phanerozoic</a>.<sup id="cite_ref-FOOTNOTEStanley1999280_27-0" class="reference"><a href="#cite_note-FOOTNOTEStanley1999280-27"><span class="cite-bracket">[</span>27<span class="cite-bracket">]</span></a></sup> <a href="/wiki/Mid-ocean_ridge" title="Mid-ocean ridge">Mid-ocean ridge</a> activity—or rather, the circulation of seawater through the enlarged ridges—enriched the oceans in <a href="/wiki/Calcium" title="Calcium">calcium</a>; this made the oceans more saturated, as well as increased the <a href="/wiki/Bioavailability" title="Bioavailability">bioavailability</a> of the element for <a href="/wiki/Coccolithophores" class="mw-redirect" title="Coccolithophores">calcareous nanoplankton</a>.<sup id="cite_ref-FOOTNOTEStanley1999279–281_28-0" class="reference"><a href="#cite_note-FOOTNOTEStanley1999279–281-28"><span class="cite-bracket">[</span>28<span class="cite-bracket">]</span></a></sup> These widespread <a href="/wiki/Carbonate" title="Carbonate">carbonates</a> and other <a href="/wiki/Sedimentary_rock" title="Sedimentary rock">sedimentary deposits</a> make the Cretaceous rock record especially fine. Famous <a href="/wiki/Geologic_formation" class="mw-redirect" title="Geologic formation">formations</a> from North America include the rich marine fossils of <a href="/wiki/Kansas" title="Kansas">Kansas</a>'s <a href="/wiki/Smoky_Hill_Chalk" title="Smoky Hill Chalk">Smoky Hill Chalk</a> Member and the terrestrial fauna of the late Cretaceous <a href="/wiki/Hell_Creek_Formation" title="Hell Creek Formation">Hell Creek Formation</a>. Other important Cretaceous exposures occur in <a href="/wiki/Europe" title="Europe">Europe</a> (e.g., the <a href="/wiki/Weald" title="Weald">Weald</a>) and <a href="/wiki/China" title="China">China</a> (the <a href="/wiki/Yixian_Formation" title="Yixian Formation">Yixian Formation</a>). In the area that is now India, massive <a href="/wiki/Lava_bed" class="mw-redirect" title="Lava bed">lava beds</a> called the <a href="/wiki/Deccan_Traps" title="Deccan Traps">Deccan Traps</a> were erupted in the very late Cretaceous and early Paleocene. </p> <div class="mw-heading mw-heading2"><h2 id="Climate">Climate</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Cretaceous&action=edit&section=9" title="Edit section: Climate"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">Further information: <a href="/wiki/Cool_tropics_paradox" title="Cool tropics paradox">Cool tropics paradox</a></div> <p><a href="/wiki/Palynology" title="Palynology">Palynological</a> evidence indicates the Cretaceous climate had three broad phases: a Berriasian–Barremian warm-dry phase, an Aptian–Santonian warm-wet phase, and a Campanian–Maastrichtian cool-dry phase.<sup id="cite_ref-ClimatePalynology_29-0" class="reference"><a href="#cite_note-ClimatePalynology-29"><span class="cite-bracket">[</span>29<span class="cite-bracket">]</span></a></sup> As in the Cenozoic, the 400,000 year eccentricity cycle was the dominant orbital cycle governing carbon flux between different reservoirs and influencing global climate.<sup id="cite_ref-30" class="reference"><a href="#cite_note-30"><span class="cite-bracket">[</span>30<span class="cite-bracket">]</span></a></sup> The location of the Intertropical Convergence Zone (ITCZ) was roughly the same as in the present.<sup id="cite_ref-31" class="reference"><a href="#cite_note-31"><span class="cite-bracket">[</span>31<span class="cite-bracket">]</span></a></sup> </p><p>The cooling trend of the last epoch of the Jurassic, the Tithonian, continued into the Berriasian, the first age of the Cretaceous.<sup id="cite_ref-The_Berriasian_Age_32-0" class="reference"><a href="#cite_note-The_Berriasian_Age-32"><span class="cite-bracket">[</span>32<span class="cite-bracket">]</span></a></sup> The North Atlantic seaway opened and enabled the flow of cool water from the Boreal Ocean into the Tethys.<sup id="cite_ref-33" class="reference"><a href="#cite_note-33"><span class="cite-bracket">[</span>33<span class="cite-bracket">]</span></a></sup> There is evidence that snowfalls were common in the higher latitudes during this age, and the tropics became wetter than during the Triassic and Jurassic. Glaciation was restricted to high-<a href="/wiki/Latitude" title="Latitude">latitude</a> mountains, though seasonal snow may have existed farther from the poles.<sup id="cite_ref-The_Berriasian_Age_32-1" class="reference"><a href="#cite_note-The_Berriasian_Age-32"><span class="cite-bracket">[</span>32<span class="cite-bracket">]</span></a></sup> After the end of the first age, however, temperatures began to increase again, with a number of thermal excursions, such as the middle <a href="/wiki/Valanginian" title="Valanginian">Valanginian</a> <a href="/wiki/Weissert_Event" title="Weissert Event">Weissert Thermal Excursion</a> (WTX),<sup id="cite_ref-ChristopherScotese_34-0" class="reference"><a href="#cite_note-ChristopherScotese-34"><span class="cite-bracket">[</span>34<span class="cite-bracket">]</span></a></sup> which was caused by the Paraná-Etendeka Large Igneous Province's activity.<sup id="cite_ref-35" class="reference"><a href="#cite_note-35"><span class="cite-bracket">[</span>35<span class="cite-bracket">]</span></a></sup> It was followed by the middle <a href="/wiki/Hauterivian" title="Hauterivian">Hauterivian</a> Faraoni Thermal Excursion (FTX) and the early <a href="/wiki/Barremian" title="Barremian">Barremian</a> Hauptblatterton Thermal Event (HTE). The HTE marked the ultimate end of the Tithonian-early Barremian Cool Interval (TEBCI).<sup id="cite_ref-ChristopherScotese_34-1" class="reference"><a href="#cite_note-ChristopherScotese-34"><span class="cite-bracket">[</span>34<span class="cite-bracket">]</span></a></sup> During this interval, precession was the dominant orbital driver of environmental changes in the Vocontian Basin.<sup id="cite_ref-36" class="reference"><a href="#cite_note-36"><span class="cite-bracket">[</span>36<span class="cite-bracket">]</span></a></sup> For much of the TEBCI, northern Gondwana experienced a monsoonal climate.<sup id="cite_ref-37" class="reference"><a href="#cite_note-37"><span class="cite-bracket">[</span>37<span class="cite-bracket">]</span></a></sup> A shallow thermocline existed in the mid-latitude Tethys.<sup id="cite_ref-38" class="reference"><a href="#cite_note-38"><span class="cite-bracket">[</span>38<span class="cite-bracket">]</span></a></sup> The TEBCI was followed by the Barremian-Aptian Warm Interval (BAWI).<sup id="cite_ref-ChristopherScotese_34-2" class="reference"><a href="#cite_note-ChristopherScotese-34"><span class="cite-bracket">[</span>34<span class="cite-bracket">]</span></a></sup> This hot climatic interval coincides with <a href="/wiki/Manihiki_Plateau" title="Manihiki Plateau">Manihiki</a> and <a href="/wiki/Ontong_Java_Plateau" title="Ontong Java Plateau">Ontong Java Plateau</a> volcanism and with the <a href="/wiki/Selli_Event" title="Selli Event">Selli Event</a>.<sup id="cite_ref-39" class="reference"><a href="#cite_note-39"><span class="cite-bracket">[</span>39<span class="cite-bracket">]</span></a></sup> Early Aptian tropical <a href="/wiki/Sea_surface_temperature" title="Sea surface temperature">sea surface temperatures</a> (SSTs) were 27–32 °C, based on <a href="/wiki/TEX86" title="TEX86">TEX<sub>86</sub></a> measurements from the equatorial Pacific.<sup id="cite_ref-40" class="reference"><a href="#cite_note-40"><span class="cite-bracket">[</span>40<span class="cite-bracket">]</span></a></sup> During the Aptian, Milankovitch cycles governed the occurrence of anoxic events by modulating the intensity of the hydrological cycle and terrestrial runoff.<sup id="cite_ref-41" class="reference"><a href="#cite_note-41"><span class="cite-bracket">[</span>41<span class="cite-bracket">]</span></a></sup> The early Aptian was also notable for its millennial scale hyperarid events in the mid-latitudes of Asia.<sup id="cite_ref-42" class="reference"><a href="#cite_note-42"><span class="cite-bracket">[</span>42<span class="cite-bracket">]</span></a></sup> The BAWI itself was followed by the Aptian-Albian Cold Snap (AACS) that began about 118 Ma.<sup id="cite_ref-ChristopherScotese_34-3" class="reference"><a href="#cite_note-ChristopherScotese-34"><span class="cite-bracket">[</span>34<span class="cite-bracket">]</span></a></sup> A short, relatively minor ice age may have occurred during this so-called "cold snap", as evidenced by glacial <a href="/wiki/Dropstone" title="Dropstone">dropstones</a> in the western parts of the Tethys Ocean<sup id="cite_ref-43" class="reference"><a href="#cite_note-43"><span class="cite-bracket">[</span>43<span class="cite-bracket">]</span></a></sup> and the expansion of calcareous nannofossils that dwelt in cold water into lower latitudes.<sup id="cite_ref-44" class="reference"><a href="#cite_note-44"><span class="cite-bracket">[</span>44<span class="cite-bracket">]</span></a></sup> The AACS is associated with an arid period in the <a href="/wiki/Iberian_Peninsula" title="Iberian Peninsula">Iberian Peninsula</a>.<sup id="cite_ref-45" class="reference"><a href="#cite_note-45"><span class="cite-bracket">[</span>45<span class="cite-bracket">]</span></a></sup> </p><p>Temperatures increased drastically after the end of the AACS,<sup id="cite_ref-46" class="reference"><a href="#cite_note-46"><span class="cite-bracket">[</span>46<span class="cite-bracket">]</span></a></sup> which ended around 111 Ma with the Paquier/Urbino Thermal Maximum, giving way to the Mid-Cretaceous Hothouse (MKH), which lasted from the early <a href="/wiki/Albian" title="Albian">Albian</a> until the early Campanian.<sup id="cite_ref-ChristopherScotese_34-4" class="reference"><a href="#cite_note-ChristopherScotese-34"><span class="cite-bracket">[</span>34<span class="cite-bracket">]</span></a></sup> Faster rates of seafloor spreading and entry of carbon dioxide into the atmosphere are believed to have initiated this period of extreme warmth,<sup id="cite_ref-47" class="reference"><a href="#cite_note-47"><span class="cite-bracket">[</span>47<span class="cite-bracket">]</span></a></sup> along with high flood basalt activity.<sup id="cite_ref-48" class="reference"><a href="#cite_note-48"><span class="cite-bracket">[</span>48<span class="cite-bracket">]</span></a></sup> The MKH was punctuated by multiple thermal maxima of extreme warmth. The Leenhardt Thermal Event (LTE) occurred around 110 Ma, followed shortly by the l’Arboudeyesse Thermal Event (ATE) a million years later. Following these two hyperthermals was the <a href="/wiki/Amadeus_Event" title="Amadeus Event">Amadeus Thermal Maximum</a> around 106 Ma, during the middle Albian. Then, around a million years after that, occurred the Petite Verol Thermal Event (PVTE). Afterwards, around 102.5 Ma, the Event 6 Thermal Event (EV6) took place; this event was itself followed by the Breistroffer Thermal Maximum around 101 Ma, during the latest Albian. Approximately 94 Ma, the Cenomanian-Turonian Thermal Maximum occurred,<sup id="cite_ref-ChristopherScotese_34-5" class="reference"><a href="#cite_note-ChristopherScotese-34"><span class="cite-bracket">[</span>34<span class="cite-bracket">]</span></a></sup> with this hyperthermal being the most extreme hothouse interval of the Cretaceous<sup id="cite_ref-49" class="reference"><a href="#cite_note-49"><span class="cite-bracket">[</span>49<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-50" class="reference"><a href="#cite_note-50"><span class="cite-bracket">[</span>50<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-51" class="reference"><a href="#cite_note-51"><span class="cite-bracket">[</span>51<span class="cite-bracket">]</span></a></sup> and being associated with a sea level highstand.<sup id="cite_ref-52" class="reference"><a href="#cite_note-52"><span class="cite-bracket">[</span>52<span class="cite-bracket">]</span></a></sup> Temperatures cooled down slightly over the next few million years, but then another thermal maximum, the Coniacian Thermal Maximum, happened, with this thermal event being dated to around 87 Ma.<sup id="cite_ref-ChristopherScotese_34-6" class="reference"><a href="#cite_note-ChristopherScotese-34"><span class="cite-bracket">[</span>34<span class="cite-bracket">]</span></a></sup> Atmospheric CO<sub>2</sub> levels may have varied by thousands of ppm throughout the MKH.<sup id="cite_ref-53" class="reference"><a href="#cite_note-53"><span class="cite-bracket">[</span>53<span class="cite-bracket">]</span></a></sup> Mean annual temperatures at the poles during the MKH exceeded 14 °C.<sup id="cite_ref-54" class="reference"><a href="#cite_note-54"><span class="cite-bracket">[</span>54<span class="cite-bracket">]</span></a></sup> Such hot temperatures during the MKH resulted in a very gentle <a href="/wiki/Temperature_gradient" title="Temperature gradient">temperature gradient</a> from the <a href="/wiki/Equator" title="Equator">equator</a> to the poles; the latitudinal temperature gradient during the Cenomanian-Turonian Thermal Maximum was 0.54 °C per ° latitude for the Southern Hemisphere and 0.49 °C per ° latitude for the Northern Hemisphere, in contrast to present day values of 1.07 and 0.69 °C per ° latitude for the Southern and Northern hemispheres, respectively.<sup id="cite_ref-55" class="reference"><a href="#cite_note-55"><span class="cite-bracket">[</span>55<span class="cite-bracket">]</span></a></sup> This meant weaker global winds, which drive the ocean currents, and resulted in less <a href="/wiki/Upwelling" title="Upwelling">upwelling</a> and more stagnant <a href="/wiki/Ocean" title="Ocean">oceans</a> than today.<sup id="cite_ref-ThermalEvolutionCretaceousTethyanWaters_56-0" class="reference"><a href="#cite_note-ThermalEvolutionCretaceousTethyanWaters-56"><span class="cite-bracket">[</span>56<span class="cite-bracket">]</span></a></sup> This is evidenced by widespread black <a href="/wiki/Shale" title="Shale">shale</a> deposition and frequent <a href="/wiki/Anoxic_event" title="Anoxic event">anoxic events</a>.<sup id="cite_ref-FOOTNOTEStanley1999481–482_21-1" class="reference"><a href="#cite_note-FOOTNOTEStanley1999481–482-21"><span class="cite-bracket">[</span>21<span class="cite-bracket">]</span></a></sup> Tropical SSTs during the late Albian most likely averaged around 30 °C. Despite this high SST, seawater was not hypersaline at this time, as this would have required significantly higher temperatures still.<sup id="cite_ref-57" class="reference"><a href="#cite_note-57"><span class="cite-bracket">[</span>57<span class="cite-bracket">]</span></a></sup> On land, arid zones in the Albian regularly expanded northward in tandem with expansions of subtropical high pressure belts.<sup id="cite_ref-58" class="reference"><a href="#cite_note-58"><span class="cite-bracket">[</span>58<span class="cite-bracket">]</span></a></sup> The Cedar Mountain Formation's Soap Wash flora indicates a mean annual temperature of between 19 and 26 °C in Utah at the Albian-Cenomanian boundary.<sup id="cite_ref-59" class="reference"><a href="#cite_note-59"><span class="cite-bracket">[</span>59<span class="cite-bracket">]</span></a></sup> Tropical SSTs during the Cenomanian-Turonian Thermal Maximum were at least 30 °C,<sup id="cite_ref-60" class="reference"><a href="#cite_note-60"><span class="cite-bracket">[</span>60<span class="cite-bracket">]</span></a></sup> though one study estimated them as high as between 33 and 42 °C.<sup id="cite_ref-61" class="reference"><a href="#cite_note-61"><span class="cite-bracket">[</span>61<span class="cite-bracket">]</span></a></sup> An intermediate estimate of ~33-34 °C has also been given.<sup id="cite_ref-62" class="reference"><a href="#cite_note-62"><span class="cite-bracket">[</span>62<span class="cite-bracket">]</span></a></sup> Meanwhile, deep ocean temperatures were as much as 15 to 20 °C (27 to 36 °F) warmer than today's;<sup id="cite_ref-FOOTNOTESkinnerPorter1995557_63-0" class="reference"><a href="#cite_note-FOOTNOTESkinnerPorter1995557-63"><span class="cite-bracket">[</span>63<span class="cite-bracket">]</span></a></sup> one study estimated that deep ocean temperatures were between 12 and 20 °C during the MKH.<sup id="cite_ref-FishToothOxygen_64-0" class="reference"><a href="#cite_note-FishToothOxygen-64"><span class="cite-bracket">[</span>64<span class="cite-bracket">]</span></a></sup> The poles were so warm that <a href="/wiki/Ectothermic" class="mw-redirect" title="Ectothermic">ectothermic</a> reptiles were able to inhabit them.<sup id="cite_ref-LateCretaceousArcticVertebrates_65-0" class="reference"><a href="#cite_note-LateCretaceousArcticVertebrates-65"><span class="cite-bracket">[</span>65<span class="cite-bracket">]</span></a></sup> </p><p>Beginning in the Santonian, near the end of the MKH, the global climate began to cool, with this cooling trend continuing across the Campanian.<sup id="cite_ref-66" class="reference"><a href="#cite_note-66"><span class="cite-bracket">[</span>66<span class="cite-bracket">]</span></a></sup> This period of cooling, driven by falling levels of atmospheric carbon dioxide,<sup id="cite_ref-FishToothOxygen_64-1" class="reference"><a href="#cite_note-FishToothOxygen-64"><span class="cite-bracket">[</span>64<span class="cite-bracket">]</span></a></sup> caused the end of the MKH and the transition into a cooler climatic interval, known formally as the Late Cretaceous-Early Palaeogene Cool Interval (LKEPCI).<sup id="cite_ref-ChristopherScotese_34-7" class="reference"><a href="#cite_note-ChristopherScotese-34"><span class="cite-bracket">[</span>34<span class="cite-bracket">]</span></a></sup> Tropical SSTs declined from around 35 °C in the early Campanian to around 28 °C in the Maastrichtian.<sup id="cite_ref-67" class="reference"><a href="#cite_note-67"><span class="cite-bracket">[</span>67<span class="cite-bracket">]</span></a></sup> Deep ocean temperatures declined to 9 to 12 °C,<sup id="cite_ref-FishToothOxygen_64-2" class="reference"><a href="#cite_note-FishToothOxygen-64"><span class="cite-bracket">[</span>64<span class="cite-bracket">]</span></a></sup> though the shallow temperature gradient between tropical and polar seas remained.<sup id="cite_ref-68" class="reference"><a href="#cite_note-68"><span class="cite-bracket">[</span>68<span class="cite-bracket">]</span></a></sup> Regional conditions in the <a href="/wiki/Western_Interior_Seaway" title="Western Interior Seaway">Western Interior Seaway</a> changed little between the MKH and the LKEPCI.<sup id="cite_ref-69" class="reference"><a href="#cite_note-69"><span class="cite-bracket">[</span>69<span class="cite-bracket">]</span></a></sup> During this period of relatively cool temperatures, the ITCZ became narrower,<sup id="cite_ref-70" class="reference"><a href="#cite_note-70"><span class="cite-bracket">[</span>70<span class="cite-bracket">]</span></a></sup> while the strength of both summer and winter monsoons in East Asia was directly correlated to atmospheric <a href="/wiki/Carbon_dioxide" title="Carbon dioxide">CO<sub>2</sub></a> concentrations.<sup id="cite_ref-71" class="reference"><a href="#cite_note-71"><span class="cite-bracket">[</span>71<span class="cite-bracket">]</span></a></sup> Laramidia likewise had a seasonal, monsoonal climate.<sup id="cite_ref-72" class="reference"><a href="#cite_note-72"><span class="cite-bracket">[</span>72<span class="cite-bracket">]</span></a></sup> The Maastrichtian was a time of chaotic, highly variable climate.<sup id="cite_ref-73" class="reference"><a href="#cite_note-73"><span class="cite-bracket">[</span>73<span class="cite-bracket">]</span></a></sup> Two upticks in global temperatures are known to have occurred during the Maastrichtian, bucking the trend of overall cooler temperatures during the LKEPCI. Between 70 and 69 Ma and 66–65 Ma, isotopic ratios indicate elevated atmospheric CO<sub>2</sub> pressures with levels of 1000–1400 ppmV and mean annual temperatures in <a href="/wiki/West_Texas" title="West Texas">west Texas</a> between 21 and 23 °C (70 and 73 °F). Atmospheric CO<sub>2</sub> and temperature relations indicate a doubling of pCO<sub>2</sub> was accompanied by a ~0.6 °C increase in temperature.<sup id="cite_ref-74" class="reference"><a href="#cite_note-74"><span class="cite-bracket">[</span>74<span class="cite-bracket">]</span></a></sup> The latter warming interval, occurring at the very end of the Cretaceous, was triggered by the activity of the Deccan Traps.<sup id="cite_ref-75" class="reference"><a href="#cite_note-75"><span class="cite-bracket">[</span>75<span class="cite-bracket">]</span></a></sup> The LKEPCI lasted into the <a href="/wiki/Late_Paleocene" class="mw-redirect" title="Late Paleocene">Late Palaeocene</a>, when it gave way to another supergreenhouse interval.<sup id="cite_ref-ChristopherScotese_34-8" class="reference"><a href="#cite_note-ChristopherScotese-34"><span class="cite-bracket">[</span>34<span class="cite-bracket">]</span></a></sup> </p> <figure class="mw-default-size mw-halign-left" typeof="mw:File/Thumb"><a href="/wiki/File:Cretacico-isotermas-y-mapamundi.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/2/2f/Cretacico-isotermas-y-mapamundi.svg/220px-Cretacico-isotermas-y-mapamundi.svg.png" decoding="async" width="220" height="116" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/2/2f/Cretacico-isotermas-y-mapamundi.svg/330px-Cretacico-isotermas-y-mapamundi.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/2/2f/Cretacico-isotermas-y-mapamundi.svg/440px-Cretacico-isotermas-y-mapamundi.svg.png 2x" data-file-width="1052" data-file-height="557" /></a><figcaption>A computer-simulated model of surface conditions in Middle Cretaceous, 100 mya, displaying the approximate shoreline and calculated <a href="/wiki/Isotherm_(contour_line)" class="mw-redirect" title="Isotherm (contour line)">isotherms</a></figcaption></figure> <p>The production of large quantities of magma, variously attributed to <a href="/wiki/Mantle_plume" title="Mantle plume">mantle plumes</a> or to <a href="/wiki/Extensional_tectonics" title="Extensional tectonics">extensional tectonics</a>,<sup id="cite_ref-Foulger_76-0" class="reference"><a href="#cite_note-Foulger-76"><span class="cite-bracket">[</span>76<span class="cite-bracket">]</span></a></sup> further pushed sea levels up, so that large areas of the continental crust were covered with shallow seas. The <a href="/wiki/Tethys_Sea" class="mw-redirect" title="Tethys Sea">Tethys Sea</a> connecting the tropical oceans east to west also helped to warm the global climate. Warm-adapted <a href="/wiki/Plant_fossil" class="mw-redirect" title="Plant fossil">plant fossils</a> are known from localities as far north as <a href="/wiki/Alaska" title="Alaska">Alaska</a> and <a href="/wiki/Greenland" title="Greenland">Greenland</a>, while <a href="/wiki/Dinosaur" title="Dinosaur">dinosaur</a> fossils have been found within 15 degrees of the Cretaceous <a href="/wiki/South_pole" class="mw-redirect" title="South pole">south pole</a>.<sup id="cite_ref-FOOTNOTEStanley1999480–482_77-0" class="reference"><a href="#cite_note-FOOTNOTEStanley1999480–482-77"><span class="cite-bracket">[</span>77<span class="cite-bracket">]</span></a></sup> It was suggested that there was <a href="/wiki/Antarctica" title="Antarctica">Antarctic</a> marine glaciation in the <a href="/wiki/Turonian" title="Turonian">Turonian</a> Age, based on isotopic evidence.<sup id="cite_ref-78" class="reference"><a href="#cite_note-78"><span class="cite-bracket">[</span>78<span class="cite-bracket">]</span></a></sup> However, this has subsequently been suggested to be the result of inconsistent isotopic proxies,<sup id="cite_ref-79" class="reference"><a href="#cite_note-79"><span class="cite-bracket">[</span>79<span class="cite-bracket">]</span></a></sup> with evidence of polar rainforests during this time interval at 82° S.<sup id="cite_ref-80" class="reference"><a href="#cite_note-80"><span class="cite-bracket">[</span>80<span class="cite-bracket">]</span></a></sup> Rafting by ice of stones into marine environments occurred during much of the Cretaceous, but evidence of deposition directly from glaciers is limited to the Early Cretaceous of the <a href="/wiki/Eromanga_Basin" title="Eromanga Basin">Eromanga Basin</a> in southern <a href="/wiki/Australia" title="Australia">Australia</a>.<sup id="cite_ref-81" class="reference"><a href="#cite_note-81"><span class="cite-bracket">[</span>81<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-82" class="reference"><a href="#cite_note-82"><span class="cite-bracket">[</span>82<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Flora">Flora</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Cretaceous&action=edit&section=10" title="Edit section: Flora"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Archaefructus_liaoningensis.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/7/7f/Archaefructus_liaoningensis.jpg/220px-Archaefructus_liaoningensis.jpg" decoding="async" width="220" height="165" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/7f/Archaefructus_liaoningensis.jpg/330px-Archaefructus_liaoningensis.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/7f/Archaefructus_liaoningensis.jpg/440px-Archaefructus_liaoningensis.jpg 2x" data-file-width="3072" data-file-height="2304" /></a><figcaption>Facsimile of a fossil of <i>Archaefructus</i> from the Yixian Formation, China</figcaption></figure> <figure class="mw-default-size mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:Jaguariba_wiersemana,_Brazil_-_Museum_fur_Naturkunde,_Berlin_-_MB._Pb._1999-614.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/b/b0/Jaguariba_wiersemana%2C_Brazil_-_Museum_fur_Naturkunde%2C_Berlin_-_MB._Pb._1999-614.jpg/220px-Jaguariba_wiersemana%2C_Brazil_-_Museum_fur_Naturkunde%2C_Berlin_-_MB._Pb._1999-614.jpg" decoding="async" width="220" height="147" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/b0/Jaguariba_wiersemana%2C_Brazil_-_Museum_fur_Naturkunde%2C_Berlin_-_MB._Pb._1999-614.jpg/330px-Jaguariba_wiersemana%2C_Brazil_-_Museum_fur_Naturkunde%2C_Berlin_-_MB._Pb._1999-614.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/b0/Jaguariba_wiersemana%2C_Brazil_-_Museum_fur_Naturkunde%2C_Berlin_-_MB._Pb._1999-614.jpg/440px-Jaguariba_wiersemana%2C_Brazil_-_Museum_fur_Naturkunde%2C_Berlin_-_MB._Pb._1999-614.jpg 2x" data-file-width="5472" data-file-height="3648" /></a><figcaption>Fossil <i><a href="/wiki/Jaguariba_wiersemana" class="mw-redirect" title="Jaguariba wiersemana">Jaguariba wiersemana</a></i> specimen in the collection of the <a href="/wiki/Natural_History_Museum,_Berlin" title="Natural History Museum, Berlin">Natural History Museum, Berlin</a>, Germany</figcaption></figure> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">Main article: <a href="/wiki/Cretaceous_Terrestrial_Revolution" title="Cretaceous Terrestrial Revolution">Cretaceous Terrestrial Revolution</a></div> <p><a href="/wiki/Flowering_plant" title="Flowering plant">Flowering plants</a> (angiosperms) make up around 90% of living plant species today. Prior to the rise of angiosperms, during the Jurassic and the Early Cretaceous, the higher flora was dominated by <a href="/wiki/Gymnosperm" title="Gymnosperm">gymnosperm</a> groups, including <a href="/wiki/Cycad" title="Cycad">cycads</a>, <a href="/wiki/Pinophyta" class="mw-redirect" title="Pinophyta">conifers</a>, <a href="/wiki/Ginkgophyte" class="mw-redirect" title="Ginkgophyte">ginkgophytes</a>, <a href="/wiki/Gnetophyta" title="Gnetophyta">gnetophytes</a> and close relatives, as well as the extinct <a href="/wiki/Bennettitales" title="Bennettitales">Bennettitales</a>. Other groups of plants included <a href="/wiki/Pteridospermatophyta" title="Pteridospermatophyta">pteridosperms</a> or "seed ferns", a collective term that refers to disparate groups of extinct seed plants with fern-like foliage, including groups such as <a href="/wiki/Corystospermaceae" title="Corystospermaceae">Corystospermaceae</a> and <a href="/wiki/Caytoniales" title="Caytoniales">Caytoniales</a>. The exact origins of angiosperms are uncertain, although molecular evidence suggests that they are not closely related to any living group of gymnosperms.<sup id="cite_ref-Coiro-2019_83-0" class="reference"><a href="#cite_note-Coiro-2019-83"><span class="cite-bracket">[</span>83<span class="cite-bracket">]</span></a></sup> </p><p>The earliest widely accepted evidence of flowering plants are monosulcate (single-grooved) <a href="/wiki/Pollen" title="Pollen">pollen</a> grains from the late <a href="/wiki/Valanginian" title="Valanginian">Valanginian</a> (~ 134 million years ago) found in Israel<sup id="cite_ref-84" class="reference"><a href="#cite_note-84"><span class="cite-bracket">[</span>84<span class="cite-bracket">]</span></a></sup> and Italy,<sup id="cite_ref-85" class="reference"><a href="#cite_note-85"><span class="cite-bracket">[</span>85<span class="cite-bracket">]</span></a></sup> initially at low abundance. <a href="/wiki/Molecular_clock" title="Molecular clock">Molecular clock</a> estimates conflict with fossil estimates, suggesting the diversification of <a href="/wiki/Crown_group" title="Crown group">crown-group</a> angiosperms during the Late Triassic or the Jurassic, but such estimates are difficult to reconcile with the heavily sampled pollen record and the distinctive tricolpate to tricolporoidate (triple grooved) pollen of <a href="/wiki/Eudicots" title="Eudicots">eudicot</a> angiosperms.<sup id="cite_ref-Coiro-2019_83-1" class="reference"><a href="#cite_note-Coiro-2019-83"><span class="cite-bracket">[</span>83<span class="cite-bracket">]</span></a></sup> Among the oldest records of Angiosperm <a href="/wiki/Macrofossil" title="Macrofossil">macrofossils</a> are <i><a href="/wiki/Montsechia" title="Montsechia">Montsechia</a></i> from the <a href="/wiki/Barremian" title="Barremian">Barremian</a> aged <a href="/wiki/La_Hu%C3%A9rguina_Formation" title="La Huérguina Formation">Las Hoyas</a> beds of Spain and <i><a href="/wiki/Archaefructus" title="Archaefructus">Archaefructus</a></i> from the Barremian-Aptian boundary <a href="/wiki/Yixian_Formation" title="Yixian Formation">Yixian Formation</a> in China. Tricolpate pollen distinctive of eudicots first appears in the Late Barremian, while the earliest remains of <a href="/wiki/Monocots" class="mw-redirect" title="Monocots">monocots</a> are known from the <a href="/wiki/Aptian" title="Aptian">Aptian</a>.<sup id="cite_ref-Coiro-2019_83-2" class="reference"><a href="#cite_note-Coiro-2019-83"><span class="cite-bracket">[</span>83<span class="cite-bracket">]</span></a></sup> Flowering plants underwent a rapid radiation beginning during the middle Cretaceous, becoming the dominant group of land plants by the end of the period, coincident with the decline of previously dominant groups such as conifers.<sup id="cite_ref-86" class="reference"><a href="#cite_note-86"><span class="cite-bracket">[</span>86<span class="cite-bracket">]</span></a></sup> The oldest known fossils of <a href="/wiki/Poaceae" title="Poaceae">grasses</a> are from the <a href="/wiki/Albian" title="Albian">Albian</a>,<sup id="cite_ref-87" class="reference"><a href="#cite_note-87"><span class="cite-bracket">[</span>87<span class="cite-bracket">]</span></a></sup> with the family having diversified into modern groups by the end of the Cretaceous.<sup id="cite_ref-88" class="reference"><a href="#cite_note-88"><span class="cite-bracket">[</span>88<span class="cite-bracket">]</span></a></sup> The oldest large angiosperm trees are known from the <a href="/wiki/Turonian" title="Turonian">Turonian</a> (c. 90 Mya) of New Jersey, with the trunk having a preserved diameter of 1.8 metres (5.9 ft) and an estimated height of 50 metres (160 ft).<sup id="cite_ref-89" class="reference"><a href="#cite_note-89"><span class="cite-bracket">[</span>89<span class="cite-bracket">]</span></a></sup> </p><p>During the Cretaceous, <a href="/wiki/Fern" title="Fern">ferns</a> in the order <a href="/wiki/Polypodiales" title="Polypodiales">Polypodiales</a>, which make up 80% of living fern species, would also begin to diversify.<sup id="cite_ref-90" class="reference"><a href="#cite_note-90"><span class="cite-bracket">[</span>90<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Terrestrial_fauna">Terrestrial fauna</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Cretaceous&action=edit&section=11" title="Edit section: Terrestrial fauna"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>On land, <a href="/wiki/Mammal" title="Mammal">mammals</a> were generally small sized, but a very relevant component of the <a href="/wiki/Fauna_(animals)" class="mw-redirect" title="Fauna (animals)">fauna</a>, with <a href="/wiki/Cimolodont" class="mw-redirect" title="Cimolodont">cimolodont</a> <a href="/wiki/Multituberculates" class="mw-redirect" title="Multituberculates">multituberculates</a> outnumbering dinosaurs in some sites.<sup id="cite_ref-91" class="reference"><a href="#cite_note-91"><span class="cite-bracket">[</span>91<span class="cite-bracket">]</span></a></sup> Neither true <a href="/wiki/Marsupial" title="Marsupial">marsupials</a> nor <a href="/wiki/Placental" class="mw-redirect" title="Placental">placentals</a> existed until the very end,<sup id="cite_ref-92" class="reference"><a href="#cite_note-92"><span class="cite-bracket">[</span>92<span class="cite-bracket">]</span></a></sup> but a variety of non-marsupial <a href="/wiki/Metatheria" title="Metatheria">metatherians</a> and non-placental <a href="/wiki/Eutherian" class="mw-redirect" title="Eutherian">eutherians</a> had already begun to diversify greatly, ranging as carnivores (<a href="/wiki/Deltatheroida" title="Deltatheroida">Deltatheroida</a>), aquatic foragers (<a href="/wiki/Stagodontidae" title="Stagodontidae">Stagodontidae</a>) and herbivores (<i><a href="/wiki/Schowalteria" title="Schowalteria">Schowalteria</a></i>, <a href="/wiki/Zhelestidae" title="Zhelestidae">Zhelestidae</a>). Various "archaic" groups like <a href="/wiki/Eutriconodont" class="mw-redirect" title="Eutriconodont">eutriconodonts</a> were common in the Early Cretaceous, but by the Late Cretaceous northern mammalian faunas were dominated by multituberculates and <a href="/wiki/Theria" title="Theria">therians</a>, with <a href="/wiki/Dryolestoid" class="mw-redirect" title="Dryolestoid">dryolestoids</a> dominating <a href="/wiki/South_America" title="South America">South America</a>. </p><p>The <a href="/wiki/Apex_predator" title="Apex predator">apex predators</a> were <a href="/wiki/Archosaur" title="Archosaur">archosaurian</a> <a href="/wiki/Reptile" title="Reptile">reptiles</a>, especially <a href="/wiki/Dinosaur" title="Dinosaur">dinosaurs</a>, which were at their most diverse stage. Avians such as the ancestors of modern-day <a href="/wiki/Birds" class="mw-redirect" title="Birds">birds</a> also diversified. They inhabited every continent, and were even found in cold polar latitudes. <a href="/wiki/Pterosaur" title="Pterosaur">Pterosaurs</a> were common in the early and middle Cretaceous, but as the Cretaceous proceeded they declined for poorly understood reasons (once thought to be due to competition with early <a href="/wiki/Bird" title="Bird">birds</a>, but now it is understood avian <a href="/wiki/Adaptive_radiation" title="Adaptive radiation">adaptive radiation</a> is not consistent with pterosaur decline<sup id="cite_ref-93" class="reference"><a href="#cite_note-93"><span class="cite-bracket">[</span>93<span class="cite-bracket">]</span></a></sup>). By the end of the period only three highly specialized <a href="/wiki/Family_(biology)" title="Family (biology)">families</a> remained; <a href="/wiki/Pteranodontidae" title="Pteranodontidae">Pteranodontidae</a>, <a href="/wiki/Nyctosauridae" title="Nyctosauridae">Nyctosauridae</a>, and <a href="/wiki/Azhdarchidae" title="Azhdarchidae">Azhdarchidae</a>.<sup id="cite_ref-94" class="reference"><a href="#cite_note-94"><span class="cite-bracket">[</span>94<span class="cite-bracket">]</span></a></sup> </p><p>The <a href="/wiki/Liaoning" title="Liaoning">Liaoning</a> <a href="/wiki/Lagerst%C3%A4tte" title="Lagerstätte">lagerstätte</a> (<a href="/wiki/Yixian_Formation" title="Yixian Formation">Yixian Formation</a>) in China is an important site, full of preserved remains of numerous types of small dinosaurs, birds and mammals, that provides a glimpse of life in the Early Cretaceous. The <a href="/wiki/Coelurosaur" class="mw-redirect" title="Coelurosaur">coelurosaur</a> dinosaurs found there represent types of the group <a href="/wiki/Maniraptora" title="Maniraptora">Maniraptora</a>, which includes modern birds and their closest non-avian relatives, such as <a href="/wiki/Dromaeosaurs" class="mw-redirect" title="Dromaeosaurs">dromaeosaurs</a>, <a href="/wiki/Oviraptorosaurs" class="mw-redirect" title="Oviraptorosaurs">oviraptorosaurs</a>, <a href="/wiki/Therizinosaurs" class="mw-redirect" title="Therizinosaurs">therizinosaurs</a>, <a href="/wiki/Troodontids" class="mw-redirect" title="Troodontids">troodontids</a> along with other <a href="/wiki/Avialans" class="mw-redirect" title="Avialans">avialans</a>. Fossils of these dinosaurs from the <a href="/wiki/Liaoning" title="Liaoning">Liaoning</a> <a href="/wiki/Lagerst%C3%A4tte" title="Lagerstätte">lagerstätte</a> are notable for the presence of hair-like <a href="/wiki/Feather" title="Feather">feathers</a>. </p><p><a href="/wiki/Insect" title="Insect">Insects</a> diversified during the Cretaceous, and the oldest known <a href="/wiki/Ant" title="Ant">ants</a>, <a href="/wiki/Termite" title="Termite">termites</a> and some <a href="/wiki/Lepidoptera" title="Lepidoptera">lepidopterans</a>, akin to <a href="/wiki/Butterfly" title="Butterfly">butterflies</a> and <a href="/wiki/Moth" title="Moth">moths</a>, appeared. <a href="/wiki/Aphid" title="Aphid">Aphids</a>, <a href="/wiki/Grasshopper" title="Grasshopper">grasshoppers</a> and <a href="/wiki/Gall_wasp" title="Gall wasp">gall wasps</a> appeared.<sup id="cite_ref-UCMP_95-0" class="reference"><a href="#cite_note-UCMP-95"><span class="cite-bracket">[</span>95<span class="cite-bracket">]</span></a></sup> </p> <ul class="gallery mw-gallery-traditional center"> <li class="gallerybox" style="width: 155px"> <div class="thumb" style="width: 150px; height: 150px;"><span typeof="mw:File"><a href="/wiki/File:Tyrannosaurus-rex-Profile-steveoc86.png" class="mw-file-description" title="Tyrannosaurus rex, one of the largest land predators of all time, lived during the Late Cretaceous"><img alt="Tyrannosaurus rex, one of the largest land predators of all time, lived during the Late Cretaceous" src="//upload.wikimedia.org/wikipedia/commons/thumb/0/09/Tyrannosaurus-rex-Profile-steveoc86.png/120px-Tyrannosaurus-rex-Profile-steveoc86.png" decoding="async" width="120" height="50" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/0/09/Tyrannosaurus-rex-Profile-steveoc86.png/180px-Tyrannosaurus-rex-Profile-steveoc86.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/0/09/Tyrannosaurus-rex-Profile-steveoc86.png/240px-Tyrannosaurus-rex-Profile-steveoc86.png 2x" data-file-width="1024" data-file-height="427" /></a></span></div> <div class="gallerytext"><i><a href="/wiki/Tyrannosaurus" title="Tyrannosaurus">Tyrannosaurus rex</a></i>, one of the largest land predators of all time, lived during the Late Cretaceous</div> </li> <li class="gallerybox" style="width: 155px"> <div class="thumb" style="width: 150px; height: 150px;"><span typeof="mw:File"><a href="/wiki/File:Velociraptor_Restoration.png" class="mw-file-description" title="Up to 2 m long and 0.5 m high at the hip, Velociraptor was feathered and roamed the Late Cretaceous"><img alt="Up to 2 m long and 0.5 m high at the hip, Velociraptor was feathered and roamed the Late Cretaceous" src="//upload.wikimedia.org/wikipedia/commons/thumb/5/55/Velociraptor_Restoration.png/120px-Velociraptor_Restoration.png" decoding="async" width="120" height="74" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/55/Velociraptor_Restoration.png/180px-Velociraptor_Restoration.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/55/Velociraptor_Restoration.png/240px-Velociraptor_Restoration.png 2x" data-file-width="3629" data-file-height="2225" /></a></span></div> <div class="gallerytext">Up to 2 m long and 0.5 m high at the hip, <i><a href="/wiki/Velociraptor" title="Velociraptor">Velociraptor</a></i> was feathered and roamed the Late Cretaceous</div> </li> <li class="gallerybox" style="width: 155px"> <div class="thumb" style="width: 150px; height: 150px;"><span typeof="mw:File"><a href="/wiki/File:Triceratops_by_Tom_Patker.png" class="mw-file-description" title="Triceratops, one of the most recognizable genera of the Cretaceous"><img alt="Triceratops, one of the most recognizable genera of the Cretaceous" src="//upload.wikimedia.org/wikipedia/commons/thumb/2/2b/Triceratops_by_Tom_Patker.png/120px-Triceratops_by_Tom_Patker.png" decoding="async" width="120" height="49" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/2/2b/Triceratops_by_Tom_Patker.png/180px-Triceratops_by_Tom_Patker.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/2/2b/Triceratops_by_Tom_Patker.png/240px-Triceratops_by_Tom_Patker.png 2x" data-file-width="2452" data-file-height="1004" /></a></span></div> <div class="gallerytext"><i><a href="/wiki/Triceratops" title="Triceratops">Triceratops</a></i>, one of the most recognizable genera of the Cretaceous</div> </li> <li class="gallerybox" style="width: 155px"> <div class="thumb" style="width: 150px; height: 150px;"><span typeof="mw:File"><a href="/wiki/File:Quetzalcoatlus07.jpg" class="mw-file-description" title="The azhdarchid Quetzalcoatlus, one of the largest animals to ever fly, lived during the Late Cretaceous"><img alt="The azhdarchid Quetzalcoatlus, one of the largest animals to ever fly, lived during the Late Cretaceous" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/42/Quetzalcoatlus07.jpg/120px-Quetzalcoatlus07.jpg" decoding="async" width="120" height="73" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/42/Quetzalcoatlus07.jpg/180px-Quetzalcoatlus07.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/42/Quetzalcoatlus07.jpg/240px-Quetzalcoatlus07.jpg 2x" data-file-width="947" data-file-height="579" /></a></span></div> <div class="gallerytext">The <a href="/wiki/Azhdarchid" class="mw-redirect" title="Azhdarchid">azhdarchid</a> <i><a href="/wiki/Quetzalcoatlus" title="Quetzalcoatlus">Quetzalcoatlus</a></i>, one of the largest animals to ever fly, lived during the Late Cretaceous</div> </li> <li class="gallerybox" style="width: 155px"> <div class="thumb" style="width: 150px; height: 150px;"><span typeof="mw:File"><a href="/wiki/File:Confuciusornis_sanctus_mmartyniuk.png" class="mw-file-description" title="Confuciusornis, a genus of crow-sized birds from the Early Cretaceous"><img alt="Confuciusornis, a genus of crow-sized birds from the Early Cretaceous" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/8d/Confuciusornis_sanctus_mmartyniuk.png/120px-Confuciusornis_sanctus_mmartyniuk.png" decoding="async" width="120" height="77" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8d/Confuciusornis_sanctus_mmartyniuk.png/180px-Confuciusornis_sanctus_mmartyniuk.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8d/Confuciusornis_sanctus_mmartyniuk.png/240px-Confuciusornis_sanctus_mmartyniuk.png 2x" data-file-width="358" data-file-height="231" /></a></span></div> <div class="gallerytext"><i><a href="/wiki/Confuciusornis" title="Confuciusornis">Confuciusornis</a></i>, a genus of crow-sized birds from the Early Cretaceous</div> </li> <li class="gallerybox" style="width: 155px"> <div class="thumb" style="width: 150px; height: 150px;"><span typeof="mw:File"><a href="/wiki/File:Ichthyornis_restoration.jpeg" class="mw-file-description" title="Ichthyornis was a toothed, seabird-like ornithuran from the Late Cretaceous"><img alt="Ichthyornis was a toothed, seabird-like ornithuran from the Late Cretaceous" src="//upload.wikimedia.org/wikipedia/commons/thumb/e/e7/Ichthyornis_restoration.jpeg/120px-Ichthyornis_restoration.jpeg" decoding="async" width="120" height="90" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/e7/Ichthyornis_restoration.jpeg/180px-Ichthyornis_restoration.jpeg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/e7/Ichthyornis_restoration.jpeg/240px-Ichthyornis_restoration.jpeg 2x" data-file-width="3000" data-file-height="2254" /></a></span></div> <div class="gallerytext"><i><a href="/wiki/Ichthyornis" title="Ichthyornis">Ichthyornis</a></i> was a toothed, <a href="/wiki/Seabird" title="Seabird">seabird</a>-like <a href="/wiki/Ornithuran" class="mw-redirect" title="Ornithuran">ornithuran</a> from the Late Cretaceous</div> </li> </ul> <div class="mw-heading mw-heading3"><h3 id="Rhynchocephalians">Rhynchocephalians</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Cretaceous&action=edit&section=12" title="Edit section: Rhynchocephalians"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Priosphenodon_skeleton.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/2/20/Priosphenodon_skeleton.png/220px-Priosphenodon_skeleton.png" decoding="async" width="220" height="70" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/2/20/Priosphenodon_skeleton.png/330px-Priosphenodon_skeleton.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/2/20/Priosphenodon_skeleton.png/440px-Priosphenodon_skeleton.png 2x" data-file-width="1599" data-file-height="506" /></a><figcaption>Skeleton of <i><a href="/wiki/Priosphenodon" title="Priosphenodon">Priosphenodon avelasi</a></i> a large herbivorous rhynchocephalian known from the mid-Cretaceous of South America</figcaption></figure><p><a href="/wiki/Rhynchocephalia" title="Rhynchocephalia">Rhynchocephalians</a> (which today only includes the <a href="/wiki/Tuatara" title="Tuatara">tuatara</a>) disappeared from North America and Europe after the <a href="/wiki/Early_Cretaceous" title="Early Cretaceous">Early Cretaceous</a>,<sup id="cite_ref-Cleary-2018_96-0" class="reference"><a href="#cite_note-Cleary-2018-96"><span class="cite-bracket">[</span>96<span class="cite-bracket">]</span></a></sup> and were absent from North Africa<sup id="cite_ref-Apesteguía-2016_97-0" class="reference"><a href="#cite_note-Apesteguía-2016-97"><span class="cite-bracket">[</span>97<span class="cite-bracket">]</span></a></sup> and northern South America<sup id="cite_ref-98" class="reference"><a href="#cite_note-98"><span class="cite-bracket">[</span>98<span class="cite-bracket">]</span></a></sup> by the early <a href="/wiki/Late_Cretaceous" title="Late Cretaceous">Late Cretaceous</a>. The cause of the decline of Rhynchocephalia remains unclear, but has often been suggested to be due to competition with advanced lizards and mammals.<sup id="cite_ref-Jones-2009_99-0" class="reference"><a href="#cite_note-Jones-2009-99"><span class="cite-bracket">[</span>99<span class="cite-bracket">]</span></a></sup> They appear to have remained diverse in high-latitude southern South America during the Late Cretaceous, where lizards remained rare, with their remains outnumbering terrestrial lizards 200:1.<sup id="cite_ref-Apesteguía-2016_97-1" class="reference"><a href="#cite_note-Apesteguía-2016-97"><span class="cite-bracket">[</span>97<span class="cite-bracket">]</span></a></sup> </p><div class="mw-heading mw-heading3"><h3 id="Choristodera">Choristodera</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Cretaceous&action=edit&section=13" title="Edit section: Choristodera"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Philydrosaurus_proseilus_NMNS.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/4/44/Philydrosaurus_proseilus_NMNS.jpg/220px-Philydrosaurus_proseilus_NMNS.jpg" decoding="async" width="220" height="138" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/44/Philydrosaurus_proseilus_NMNS.jpg/330px-Philydrosaurus_proseilus_NMNS.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/44/Philydrosaurus_proseilus_NMNS.jpg/440px-Philydrosaurus_proseilus_NMNS.jpg 2x" data-file-width="5259" data-file-height="3310" /></a><figcaption><i><a href="/wiki/Philydrosaurus" title="Philydrosaurus">Philydrosaurus</a></i>, a choristodere from the Early Cretaceous of China</figcaption></figure> <p><a href="/wiki/Choristodera" title="Choristodera">Choristoderes</a>, a group of freshwater aquatic reptiles that first appeared during the preceding Jurassic, underwent a major <a href="/wiki/Evolutionary_radiation" title="Evolutionary radiation">evolutionary radiation</a> in Asia during the Early Cretaceous, which represents the high point of choristoderan diversity, including long necked forms such as <i><a href="/wiki/Hyphalosaurus" title="Hyphalosaurus">Hyphalosaurus</a></i> and the first records of the gharial-like <a href="/wiki/Neochoristodera" title="Neochoristodera">Neochoristodera</a>, which appear to have evolved in the regional absence of aquatic <a href="/wiki/Neosuchia" title="Neosuchia">neosuchian</a> crocodyliformes. During the Late Cretaceous the neochoristodere <i><a href="/wiki/Champsosaurus" title="Champsosaurus">Champsosaurus</a></i> was widely distributed across western North America.<sup id="cite_ref-Matsumoto-2010_100-0" class="reference"><a href="#cite_note-Matsumoto-2010-100"><span class="cite-bracket">[</span>100<span class="cite-bracket">]</span></a></sup> Due to the extreme climatic warmth in the Arctic, choristoderans were able to colonise it too during the Late Cretaceous.<sup id="cite_ref-LateCretaceousArcticVertebrates_65-1" class="reference"><a href="#cite_note-LateCretaceousArcticVertebrates-65"><span class="cite-bracket">[</span>65<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Marine_fauna">Marine fauna</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Cretaceous&action=edit&section=14" title="Edit section: Marine fauna"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>In the seas, <a href="/wiki/Batoidea" class="mw-redirect" title="Batoidea">rays</a>, modern <a href="/wiki/Shark" title="Shark">sharks</a> and <a href="/wiki/Teleost" title="Teleost">teleosts</a> became common.<sup id="cite_ref-101" class="reference"><a href="#cite_note-101"><span class="cite-bracket">[</span>101<span class="cite-bracket">]</span></a></sup> Marine reptiles included <a href="/wiki/Ichthyosaur" class="mw-redirect" title="Ichthyosaur">ichthyosaurs</a> in the early and mid-Cretaceous (becoming extinct during the late Cretaceous <a href="/wiki/Cenomanian-Turonian_anoxic_event" class="mw-redirect" title="Cenomanian-Turonian anoxic event">Cenomanian-Turonian anoxic event</a>), <a href="/wiki/Plesiosaur" title="Plesiosaur">plesiosaurs</a> throughout the entire period, and <a href="/wiki/Mosasaur" title="Mosasaur">mosasaurs</a> appearing in the Late Cretaceous. Sea turtles in the form of <a href="/wiki/Cheloniidae" title="Cheloniidae">Cheloniidae</a> and <a href="/wiki/Panchelonioidea" title="Panchelonioidea">Panchelonioidea</a> lived during the period and survived the extinction event. Panchelonioidea is today represented by a single species; the <a href="/wiki/Leatherback_sea_turtle" title="Leatherback sea turtle">leatherback sea turtle</a>. The <a href="/wiki/Hesperornithiformes" class="mw-redirect" title="Hesperornithiformes">Hesperornithiformes</a> were flightless, marine diving birds that swam like <a href="/wiki/Grebe" title="Grebe">grebes</a>. </p><p><i><a href="/wiki/Baculites" title="Baculites">Baculites</a></i>, an <a href="/wiki/Ammonite" class="mw-redirect" title="Ammonite">ammonite</a> genus with a straight shell, flourished in the seas along with reef-building <a href="/wiki/Rudist" class="mw-redirect" title="Rudist">rudist</a> clams. <a href="/wiki/Inoceramidae" title="Inoceramidae">Inoceramids</a> were also particularly notable among Cretaceous bivalves,<sup id="cite_ref-102" class="reference"><a href="#cite_note-102"><span class="cite-bracket">[</span>102<span class="cite-bracket">]</span></a></sup> and they have been used to identify major biotic turnovers such as at the Turonian-Coniacian boundary.<sup id="cite_ref-103" class="reference"><a href="#cite_note-103"><span class="cite-bracket">[</span>103<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-104" class="reference"><a href="#cite_note-104"><span class="cite-bracket">[</span>104<span class="cite-bracket">]</span></a></sup> Predatory gastropods with drilling habits were widespread.<sup id="cite_ref-105" class="reference"><a href="#cite_note-105"><span class="cite-bracket">[</span>105<span class="cite-bracket">]</span></a></sup> Globotruncanid <a href="/wiki/Foraminifera" title="Foraminifera">foraminifera</a> and <a href="/wiki/Echinoderms" class="mw-redirect" title="Echinoderms">echinoderms</a> such as sea urchins and <a href="/wiki/Asteroidea" class="mw-redirect" title="Asteroidea">starfish (sea stars)</a> thrived. <a href="/wiki/Ostracods" class="mw-redirect" title="Ostracods">Ostracods</a> were abundant in Cretaceous marine settings; ostracod species characterised by high male sexual investment had the highest rates of extinction and turnover.<sup id="cite_ref-106" class="reference"><a href="#cite_note-106"><span class="cite-bracket">[</span>106<span class="cite-bracket">]</span></a></sup> <a href="/wiki/Thylacocephala" title="Thylacocephala">Thylacocephala</a>, a class of crustaceans, went extinct in the Late Cretaceous. The first radiation of the <a href="/wiki/Diatom" title="Diatom">diatoms</a> (generally <a href="/wiki/Silicon_dioxide" title="Silicon dioxide">siliceous</a> shelled, rather than <a href="/wiki/Calcareous" title="Calcareous">calcareous</a>) in the oceans occurred during the Cretaceous; freshwater diatoms did not appear until the <a href="/wiki/Miocene" title="Miocene">Miocene</a>.<sup id="cite_ref-UCMP_95-1" class="reference"><a href="#cite_note-UCMP-95"><span class="cite-bracket">[</span>95<span class="cite-bracket">]</span></a></sup> Calcareous nannoplankton were important components of the marine microbiota and important as biostratigraphic markers and recorders of environmental change.<sup id="cite_ref-107" class="reference"><a href="#cite_note-107"><span class="cite-bracket">[</span>107<span class="cite-bracket">]</span></a></sup> </p><p>The Cretaceous was also an important interval in the evolution of <a href="/wiki/Bioerosion" title="Bioerosion">bioerosion</a>, the production of borings and scrapings in rocks, <a href="/wiki/Hardgrounds" class="mw-redirect" title="Hardgrounds">hardgrounds</a> and shells. </p> <ul class="gallery mw-gallery-traditional center"> <li class="gallerybox" style="width: 155px"> <div class="thumb" style="width: 150px; height: 150px;"><span typeof="mw:File"><a href="/wiki/File:Kronosaurus_hunt1DB.jpg" class="mw-file-description" title="A scene from the early Cretaceous: a Woolungasaurus is attacked by a Kronosaurus."><img alt="A scene from the early Cretaceous: a Woolungasaurus is attacked by a Kronosaurus." src="//upload.wikimedia.org/wikipedia/commons/thumb/4/40/Kronosaurus_hunt1DB.jpg/120px-Kronosaurus_hunt1DB.jpg" decoding="async" width="120" height="86" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/40/Kronosaurus_hunt1DB.jpg/180px-Kronosaurus_hunt1DB.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/40/Kronosaurus_hunt1DB.jpg/240px-Kronosaurus_hunt1DB.jpg 2x" data-file-width="1800" data-file-height="1285" /></a></span></div> <div class="gallerytext">A scene from the early Cretaceous: a <i><a href="/wiki/Woolungasaurus" title="Woolungasaurus">Woolungasaurus</a></i> is attacked by a <i><a href="/wiki/Kronosaurus" title="Kronosaurus">Kronosaurus</a></i>.</div> </li> <li class="gallerybox" style="width: 155px"> <div class="thumb" style="width: 150px; height: 150px;"><span typeof="mw:File"><a href="/wiki/File:Tylosaurus_pembinensis_1DB.jpg" class="mw-file-description" title="Tylosaurus was a large mosasaur, carnivorous marine reptiles that emerged in the late Cretaceous."><img alt="Tylosaurus was a large mosasaur, carnivorous marine reptiles that emerged in the late Cretaceous." src="//upload.wikimedia.org/wikipedia/commons/thumb/e/e4/Tylosaurus_pembinensis_1DB.jpg/120px-Tylosaurus_pembinensis_1DB.jpg" decoding="async" width="120" height="39" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/e4/Tylosaurus_pembinensis_1DB.jpg/180px-Tylosaurus_pembinensis_1DB.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/e4/Tylosaurus_pembinensis_1DB.jpg/240px-Tylosaurus_pembinensis_1DB.jpg 2x" data-file-width="2476" data-file-height="806" /></a></span></div> <div class="gallerytext"><i><a href="/wiki/Tylosaurus" title="Tylosaurus">Tylosaurus</a></i> was a large <a href="/wiki/Mosasaur" title="Mosasaur">mosasaur</a>, carnivorous marine reptiles that emerged in the late Cretaceous.</div> </li> <li class="gallerybox" style="width: 155px"> <div class="thumb" style="width: 150px; height: 150px;"><span typeof="mw:File"><a href="/wiki/File:Hesperornis_BW_(white_background).jpg" class="mw-file-description" title="Strong-swimming and toothed predatory waterbird Hesperornis roamed late Cretacean oceans."><img alt="Strong-swimming and toothed predatory waterbird Hesperornis roamed late Cretacean oceans." src="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Hesperornis_BW_%28white_background%29.jpg/120px-Hesperornis_BW_%28white_background%29.jpg" decoding="async" width="120" height="64" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Hesperornis_BW_%28white_background%29.jpg/180px-Hesperornis_BW_%28white_background%29.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Hesperornis_BW_%28white_background%29.jpg/240px-Hesperornis_BW_%28white_background%29.jpg 2x" data-file-width="800" data-file-height="427" /></a></span></div> <div class="gallerytext">Strong-swimming and toothed predatory waterbird <i><a href="/wiki/Hesperornis" title="Hesperornis">Hesperornis</a></i> roamed late Cretacean oceans.</div> </li> <li class="gallerybox" style="width: 155px"> <div class="thumb" style="width: 150px; height: 150px;"><span typeof="mw:File"><a href="/wiki/File:DiscoscaphitesirisCretaceous.jpg" class="mw-file-description" title="The ammonite Discoscaphites iris, Owl Creek Formation (Upper Cretaceous), Ripley, Mississippi"><img alt="The ammonite Discoscaphites iris, Owl Creek Formation (Upper Cretaceous), Ripley, Mississippi" src="//upload.wikimedia.org/wikipedia/commons/thumb/9/98/DiscoscaphitesirisCretaceous.jpg/120px-DiscoscaphitesirisCretaceous.jpg" decoding="async" width="120" height="118" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/98/DiscoscaphitesirisCretaceous.jpg/180px-DiscoscaphitesirisCretaceous.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/98/DiscoscaphitesirisCretaceous.jpg/240px-DiscoscaphitesirisCretaceous.jpg 2x" data-file-width="2562" data-file-height="2514" /></a></span></div> <div class="gallerytext">The <a href="/wiki/Ammonite" class="mw-redirect" title="Ammonite">ammonite</a> <i><a href="/wiki/Discoscaphites" title="Discoscaphites">Discoscaphites</a> iris</i>, Owl Creek Formation (Upper Cretaceous), Ripley, Mississippi</div> </li> <li class="gallerybox" style="width: 155px"> <div class="thumb" style="width: 150px; height: 150px;"><span typeof="mw:File"><a href="/wiki/File:The_fossils_from_Cretaceous_age_found_in_Lebanon.jpg" class="mw-file-description" title="A plate with Nematonotus sp., Pseudostacus sp. and a partial Dercetis triqueter, found in Hakel, Lebanon"><img alt="A plate with Nematonotus sp., Pseudostacus sp. and a partial Dercetis triqueter, found in Hakel, Lebanon" src="//upload.wikimedia.org/wikipedia/commons/thumb/1/17/The_fossils_from_Cretaceous_age_found_in_Lebanon.jpg/120px-The_fossils_from_Cretaceous_age_found_in_Lebanon.jpg" decoding="async" width="120" height="86" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/1/17/The_fossils_from_Cretaceous_age_found_in_Lebanon.jpg/180px-The_fossils_from_Cretaceous_age_found_in_Lebanon.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/1/17/The_fossils_from_Cretaceous_age_found_in_Lebanon.jpg/240px-The_fossils_from_Cretaceous_age_found_in_Lebanon.jpg 2x" data-file-width="6000" data-file-height="4286" /></a></span></div> <div class="gallerytext">A plate with <i><a href="/wiki/Nematonotus" title="Nematonotus">Nematonotus</a> sp.</i>, <i>Pseudostacus sp.</i> and a partial <i>Dercetis triqueter</i>, found in <a href="/wiki/Hakel" class="mw-redirect" title="Hakel">Hakel</a>, Lebanon</div> </li> <li class="gallerybox" style="width: 155px"> <div class="thumb" style="width: 150px; height: 150px;"><span typeof="mw:File"><a href="/wiki/File:Cretoxyrhina_attacking_Pteranodon.png" class="mw-file-description" title="Cretoxyrhina, one of the largest Cretaceous sharks, attacking a Pteranodon in the Western Interior Seaway"><img alt="Cretoxyrhina, one of the largest Cretaceous sharks, attacking a Pteranodon in the Western Interior Seaway" src="//upload.wikimedia.org/wikipedia/commons/thumb/6/6c/Cretoxyrhina_attacking_Pteranodon.png/120px-Cretoxyrhina_attacking_Pteranodon.png" decoding="async" width="120" height="77" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/6c/Cretoxyrhina_attacking_Pteranodon.png/180px-Cretoxyrhina_attacking_Pteranodon.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/6c/Cretoxyrhina_attacking_Pteranodon.png/240px-Cretoxyrhina_attacking_Pteranodon.png 2x" data-file-width="3199" data-file-height="2056" /></a></span></div> <div class="gallerytext"><i><a href="/wiki/Cretoxyrhina" title="Cretoxyrhina">Cretoxyrhina</a></i>, one of the largest Cretaceous <a href="/wiki/Shark" title="Shark">sharks</a>, attacking a <i><a href="/wiki/Pteranodon" title="Pteranodon">Pteranodon</a></i> in the <a href="/wiki/Western_Interior_Seaway" title="Western Interior Seaway">Western Interior Seaway</a></div> </li> </ul> <div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Cretaceous&action=edit&section=15" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1266661725">.mw-parser-output .portalbox{padding:0;margin:0.5em 0;display:table;box-sizing:border-box;max-width:175px;list-style:none}.mw-parser-output .portalborder{border:1px solid var(--border-color-base,#a2a9b1);padding:0.1em;background:var(--background-color-neutral-subtle,#f8f9fa)}.mw-parser-output .portalbox-entry{display:table-row;font-size:85%;line-height:110%;height:1.9em;font-style:italic;font-weight:bold}.mw-parser-output .portalbox-image{display:table-cell;padding:0.2em;vertical-align:middle;text-align:center}.mw-parser-output .portalbox-link{display:table-cell;padding:0.2em 0.2em 0.2em 0.3em;vertical-align:middle}@media(min-width:720px){.mw-parser-output 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title="Portal:Paleontology">Paleontology portal</a></span></li></ul> <ul><li><a href="/wiki/Cretaceous%E2%80%93Paleogene_extinction_event" title="Cretaceous–Paleogene extinction event">Cretaceous-Paleogene extinction</a></li> <li><a href="/wiki/Cretaceous_Thermal_Maximum" title="Cretaceous Thermal Maximum">Cretaceous Thermal Maximum</a></li> <li><a href="/wiki/List_of_fossil_sites" title="List of fossil sites">List of fossil sites</a> (with link directory)</li> <li><a href="/wiki/South_Polar_region_of_the_Cretaceous" class="mw-redirect" title="South Polar region of the Cretaceous">South Polar region of the Cretaceous</a></li></ul> <div style="clear:both;" class=""></div> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Cretaceous&action=edit&section=16" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="Citations">Citations</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Cretaceous&action=edit&section=17" title="Edit section: Citations"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist reflist-columns references-column-width" style="column-width: 30em;"> <ol class="references"> <li id="cite_note-ICS-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-ICS_1-0">^</a></b></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://stratigraphy.org/ICSchart/ChronostratChart2024-12.pdf">"International Chronostratigraphic Chart"</a> <span class="cs1-format">(PDF)</span>. <i><a href="/wiki/International_Commission_on_Stratigraphy" title="International Commission on Stratigraphy">International Commission on Stratigraphy</a></i>. December 2024<span class="reference-accessdate">. Retrieved <span class="nowrap">January 11,</span> 2025</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=International+Commission+on+Stratigraphy&rft.atitle=International+Chronostratigraphic+Chart&rft.date=2024-12&rft_id=https%3A%2F%2Fstratigraphy.org%2FICSchart%2FChronostratChart2024-12.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-2">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation encyclopaedia cs1"><a rel="nofollow" class="external text" href="https://www.dictionary.com/browse/Cretaceous">"Cretaceous"</a>. <i><a href="/wiki/Dictionary.com" title="Dictionary.com">Dictionary.com Unabridged</a></i> (Online). n.d.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.atitle=Cretaceous&rft.btitle=Dictionary.com+Unabridged&rft_id=https%3A%2F%2Fwww.dictionary.com%2Fbrowse%2FCretaceous&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-3">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFd’Halloy,_d’O.,_J.-J.1822" class="citation journal cs1">d’Halloy, d’O., J.-J. (1822). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=c-ocAQAAIAAJ&pg=PA353">"Observations sur un essai de carte géologique de la France, des Pays-Bas, et des contrées voisines"</a> [Observations on a trial geological map of France, the Low Countries, and neighboring countries]. <i>Annales des Mines</i>. <b>7</b>: <span class="nowrap">353–</span>376.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Annales+des+Mines&rft.atitle=Observations+sur+un+essai+de+carte+g%C3%A9ologique+de+la+France%2C+des+Pays-Bas%2C+et+des+contr%C3%A9es+voisines&rft.volume=7&rft.pages=%3Cspan+class%3D%22nowrap%22%3E353-%3C%2Fspan%3E376&rft.date=1822&rft.au=d%E2%80%99Halloy%2C+d%E2%80%99O.%2C+J.-J.&rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3Dc-ocAQAAIAAJ%26pg%3DPA353&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span><span class="cs1-maint citation-comment"><code class="cs1-code">{{<a href="/wiki/Template:Cite_journal" title="Template:Cite journal">cite journal</a>}}</code>: CS1 maint: multiple names: authors list (<a href="/wiki/Category:CS1_maint:_multiple_names:_authors_list" title="Category:CS1 maint: multiple names: authors list">link</a>)</span> From page 373: "La troisième, qui correspond à ce qu'on a déja appelé formation de la craie, sera désigné par le nom de terrain crétacé." (The third, which corresponds to what was already called the "chalk formation", will be designated by the name "chalky terrain".)</span> </li> <li id="cite_note-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-4">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation book cs1 cs1-prop-foreign-lang-source"><a href="/wiki/Great_Soviet_Encyclopedia" title="Great Soviet Encyclopedia"><i>Sovetskaya Enciklopediya</i></a> [<i>Great Soviet Encyclopedia</i>] (in Russian) (3rd ed.). Moscow: Sovetskaya Enciklopediya. 1974. vol. 16, p. 50.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Sovetskaya+Enciklopediya&rft.place=Moscow&rft.pages=vol.+16%2C+p.+50&rft.edition=3rd&rft.pub=Sovetskaya+Enciklopediya&rft.date=1974&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-5">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation book cs1"><i>Glossary of Geology</i> (3rd ed.). Washington, D.C.: American Geological Institute. 1972. p. 165.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Glossary+of+Geology&rft.place=Washington%2C+D.C.&rft.pages=165&rft.edition=3rd&rft.pub=American+Geological+Institute&rft.date=1972&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-6"><span class="mw-cite-backlink"><b><a href="#cite_ref-6">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFOggHinnovHuang2012" class="citation cs2">Ogg, J.G.; Hinnov, L.A.; Huang, C. (2012), <a rel="nofollow" class="external text" href="https://linkinghub.elsevier.com/retrieve/pii/B9780444594259000275">"Cretaceous"</a>, <i>The Geologic Time Scale</i>, Elsevier, pp. <span class="nowrap">793–</span>853, <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1016%2Fb978-0-444-59425-9.00027-5">10.1016/b978-0-444-59425-9.00027-5</a>, <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-0-444-59425-9" title="Special:BookSources/978-0-444-59425-9"><bdi>978-0-444-59425-9</bdi></a><span class="reference-accessdate">, retrieved <span class="nowrap">2021-01-08</span></span></cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=The+Geologic+Time+Scale&rft.atitle=Cretaceous&rft.pages=%3Cspan+class%3D%22nowrap%22%3E793-%3C%2Fspan%3E853&rft.date=2012&rft_id=info%3Adoi%2F10.1016%2Fb978-0-444-59425-9.00027-5&rft.isbn=978-0-444-59425-9&rft.aulast=Ogg&rft.aufirst=J.G.&rft.au=Hinnov%2C+L.A.&rft.au=Huang%2C+C.&rft_id=https%3A%2F%2Flinkinghub.elsevier.com%2Fretrieve%2Fpii%2FB9780444594259000275&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-7"><span class="mw-cite-backlink"><b><a href="#cite_ref-7">^</a></b></span> <span class="reference-text">Cohen, K.M., Finney, S.C., Gibbard, P.L. & Fan, J.-X. (2013; updated) <a rel="nofollow" class="external text" href="https://stratigraphy.org/ICSchart/ChronostratChart2024-12.pdf">The ICS International Chronostratigraphic Chart</a>. Episodes 36: 199–204.</span> </li> <li id="cite_note-8"><span class="mw-cite-backlink"><b><a href="#cite_ref-8">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFWIMBLEDON2017" class="citation journal cs1">WIMBLEDON, William A.P. (2017-12-27). <a rel="nofollow" class="external text" href="https://www.researchgate.net/publication/321670503">"Developments with fixing a Tithonian/Berriasian (J/K) boundary"</a>. <i>Volumina Jurassica</i>. <b>15</b> (1): <span class="nowrap">107–</span>112. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.5604%2F01.3001.0010.7467">10.5604/01.3001.0010.7467</a>. <a href="/wiki/ISSN_(identifier)" class="mw-redirect" title="ISSN (identifier)">ISSN</a> <a rel="nofollow" class="external text" href="https://search.worldcat.org/issn/1731-3708">1731-3708</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Volumina+Jurassica&rft.atitle=Developments+with+fixing+a+Tithonian%2FBerriasian+%28J%2FK%29+boundary&rft.volume=15&rft.issue=1&rft.pages=%3Cspan+class%3D%22nowrap%22%3E107-%3C%2Fspan%3E112&rft.date=2017-12-27&rft_id=info%3Adoi%2F10.5604%2F01.3001.0010.7467&rft.issn=1731-3708&rft.aulast=WIMBLEDON&rft.aufirst=William+A.P.&rft_id=https%3A%2F%2Fwww.researchgate.net%2Fpublication%2F321670503&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-9"><span class="mw-cite-backlink"><b><a href="#cite_ref-9">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFWimbledonRehakovaSvobodováSchnabl2020" class="citation journal cs1">Wimbledon, William A.P.; Rehakova, Daniela; Svobodová, Andrea; Schnabl, Petr; Pruner, Petr; Elbra, Tiiu; Šifnerová, Kristýna; Kdýr, Šimon; Frau, Camille; Schnyder, Johann; Galbrun, Bruno (2020-02-11). <a rel="nofollow" class="external text" href="https://www.sav.sk/index.php?lang=sk&doc=journal-list&part=article_response_page&journal_article_no=18100">"Fixing a J/K boundary: A comparative account of key Tithonian–Berriasian profiles in the departments of Drôme and Hautes-Alpes, France"</a>. <i><a href="/wiki/Geologica_Carpathica" title="Geologica Carpathica">Geologica Carpathica</a></i>. <b>71</b> (1). <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://doi.org/10.31577%2FGeolCarp.71.1.3">10.31577/GeolCarp.71.1.3</a></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Geologica+Carpathica&rft.atitle=Fixing+a+J%2FK+boundary%3A+A+comparative+account+of+key+Tithonian%E2%80%93Berriasian+profiles+in+the+departments+of+Dr%C3%B4me+and+Hautes-Alpes%2C+France&rft.volume=71&rft.issue=1&rft.date=2020-02-11&rft_id=info%3Adoi%2F10.31577%2FGeolCarp.71.1.3&rft.aulast=Wimbledon&rft.aufirst=William+A.P.&rft.au=Rehakova%2C+Daniela&rft.au=Svobodov%C3%A1%2C+Andrea&rft.au=Schnabl%2C+Petr&rft.au=Pruner%2C+Petr&rft.au=Elbra%2C+Tiiu&rft.au=%C5%A0ifnerov%C3%A1%2C+Krist%C3%BDna&rft.au=Kd%C3%BDr%2C+%C5%A0imon&rft.au=Frau%2C+Camille&rft.au=Schnyder%2C+Johann&rft.au=Galbrun%2C+Bruno&rft_id=https%3A%2F%2Fwww.sav.sk%2Findex.php%3Flang%3Dsk%26doc%3Djournal-list%26part%3Darticle_response_page%26journal_article_no%3D18100&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-10"><span class="mw-cite-backlink"><b><a href="#cite_ref-10">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFFrauBulotRehákováWimbledon2016" class="citation journal cs1">Frau, Camille; Bulot, Luc G.; Reháková, Daniela; Wimbledon, William A.P.; Ifrim, Christina (November 2016). <a rel="nofollow" class="external text" href="http://linkinghub.elsevier.com/retrieve/pii/S0195667116301057">"Revision of the ammonite index species Berriasella jacobi Mazenot, 1939 and its consequences for the biostratigraphy of the Berriasian Stage"</a>. <i><a href="/wiki/Cretaceous_Research" title="Cretaceous Research">Cretaceous Research</a></i>. <b>66</b>: <span class="nowrap">94–</span>114. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2016CrRes..66...94F">2016CrRes..66...94F</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1016%2Fj.cretres.2016.05.007">10.1016/j.cretres.2016.05.007</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Cretaceous+Research&rft.atitle=Revision+of+the+ammonite+index+species+Berriasella+jacobi+Mazenot%2C+1939+and+its+consequences+for+the+biostratigraphy+of+the+Berriasian+Stage&rft.volume=66&rft.pages=%3Cspan+class%3D%22nowrap%22%3E94-%3C%2Fspan%3E114&rft.date=2016-11&rft_id=info%3Adoi%2F10.1016%2Fj.cretres.2016.05.007&rft_id=info%3Abibcode%2F2016CrRes..66...94F&rft.aulast=Frau&rft.aufirst=Camille&rft.au=Bulot%2C+Luc+G.&rft.au=Reh%C3%A1kov%C3%A1%2C+Daniela&rft.au=Wimbledon%2C+William+A.P.&rft.au=Ifrim%2C+Christina&rft_id=http%3A%2F%2Flinkinghub.elsevier.com%2Fretrieve%2Fpii%2FS0195667116301057&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-11"><span class="mw-cite-backlink"><b><a href="#cite_ref-11">^</a></b></span> <span class="reference-text">Cohen, K.M., Finney, S.C., Gibbard, P.L. & Fan, J.-X. (2013; updated) <a rel="nofollow" class="external text" href="https://stratigraphy.org/ICSchart/ChronostratChart2020-03.pdf">The ICS International Chronostratigraphic Chart</a>. Episodes 36: 199–204.</span> </li> <li id="cite_note-12"><span class="mw-cite-backlink"><b><a href="#cite_ref-12">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFLenaLópez-MartínezLescanoAguire-Urreta2019" class="citation journal cs1">Lena, Luis; López-Martínez, Rafael; Lescano, Marina; Aguire-Urreta, Beatriz; Concheyro, Andrea; Vennari, Verónica; Naipauer, Maximiliano; Samankassou, Elias; Pimentel, Márcio; Ramos, Victor A.; Schaltegger, Urs (2019-01-08). <a rel="nofollow" class="external text" href="https://doi.org/10.5194%2Fse-10-1-2019">"High-precision U–Pb ages in the early Tithonian to early Berriasian and implications for the numerical age of the Jurassic–Cretaceous boundary"</a>. <i>Solid Earth</i>. <b>10</b> (1): <span class="nowrap">1–</span>14. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2019SolE...10....1L">2019SolE...10....1L</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://doi.org/10.5194%2Fse-10-1-2019">10.5194/se-10-1-2019</a></span>. <a href="/wiki/Hdl_(identifier)" class="mw-redirect" title="Hdl (identifier)">hdl</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://hdl.handle.net/11336%2F97384">11336/97384</a></span>. <a href="/wiki/ISSN_(identifier)" class="mw-redirect" title="ISSN (identifier)">ISSN</a> <a rel="nofollow" class="external text" href="https://search.worldcat.org/issn/1869-9529">1869-9529</a>. <a href="/wiki/S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:135382485">135382485</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Solid+Earth&rft.atitle=High-precision+U%E2%80%93Pb+ages+in+the+early+Tithonian+to+early+Berriasian+and+implications+for+the+numerical+age+of+the+Jurassic%E2%80%93Cretaceous+boundary&rft.volume=10&rft.issue=1&rft.pages=%3Cspan+class%3D%22nowrap%22%3E1-%3C%2Fspan%3E14&rft.date=2019-01-08&rft_id=info%3Ahdl%2F11336%2F97384&rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A135382485%23id-name%3DS2CID&rft_id=info%3Abibcode%2F2019SolE...10....1L&rft.issn=1869-9529&rft_id=info%3Adoi%2F10.5194%2Fse-10-1-2019&rft.aulast=Lena&rft.aufirst=Luis&rft.au=L%C3%B3pez-Mart%C3%ADnez%2C+Rafael&rft.au=Lescano%2C+Marina&rft.au=Aguire-Urreta%2C+Beatriz&rft.au=Concheyro%2C+Andrea&rft.au=Vennari%2C+Ver%C3%B3nica&rft.au=Naipauer%2C+Maximiliano&rft.au=Samankassou%2C+Elias&rft.au=Pimentel%2C+M%C3%A1rcio&rft.au=Ramos%2C+Victor+A.&rft.au=Schaltegger%2C+Urs&rft_id=https%3A%2F%2Fdoi.org%2F10.5194%252Fse-10-1-2019&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-13"><span class="mw-cite-backlink"><b><a href="#cite_ref-13">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFVennariLescanoNaipauerAguirre-Urreta2014" class="citation journal cs1">Vennari, Verónica V.; Lescano, Marina; Naipauer, Maximiliano; Aguirre-Urreta, Beatriz; Concheyro, Andrea; Schaltegger, Urs; Armstrong, Richard; Pimentel, Marcio; <a href="/wiki/V%C3%ADctor_Alberto_Ramos" title="Víctor Alberto Ramos">Ramos, Victor A.</a> (2014). "New constraints on the Jurassic–Cretaceous boundary in the High Andes using high-precision U–Pb data". <i><a href="/wiki/Gondwana_Research" title="Gondwana Research">Gondwana Research</a></i>. <b>26</b> (1): <span class="nowrap">374–</span>385. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2014GondR..26..374V">2014GondR..26..374V</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1016%2Fj.gr.2013.07.005">10.1016/j.gr.2013.07.005</a>. <a href="/wiki/Hdl_(identifier)" class="mw-redirect" title="Hdl (identifier)">hdl</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://hdl.handle.net/11336%2F30971">11336/30971</a></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Gondwana+Research&rft.atitle=New+constraints+on+the+Jurassic%E2%80%93Cretaceous+boundary+in+the+High+Andes+using+high-precision+U%E2%80%93Pb+data&rft.volume=26&rft.issue=1&rft.pages=%3Cspan+class%3D%22nowrap%22%3E374-%3C%2Fspan%3E385&rft.date=2014&rft_id=info%3Ahdl%2F11336%2F30971&rft_id=info%3Adoi%2F10.1016%2Fj.gr.2013.07.005&rft_id=info%3Abibcode%2F2014GondR..26..374V&rft.aulast=Vennari&rft.aufirst=Ver%C3%B3nica+V.&rft.au=Lescano%2C+Marina&rft.au=Naipauer%2C+Maximiliano&rft.au=Aguirre-Urreta%2C+Beatriz&rft.au=Concheyro%2C+Andrea&rft.au=Schaltegger%2C+Urs&rft.au=Armstrong%2C+Richard&rft.au=Pimentel%2C+Marcio&rft.au=Ramos%2C+Victor+A.&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-14"><span class="mw-cite-backlink"><b><a href="#cite_ref-14">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFRenne,_Paul_R.2013" class="citation journal cs1">Renne, Paul R.; et al. (2013). "Time scales of critical events around the Cretaceous-Paleogene boundary". <i><a href="/wiki/Science_(journal)" title="Science (journal)">Science</a></i>. <b>339</b> (6120): <span class="nowrap">684–</span>688. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2013Sci...339..684R">2013Sci...339..684R</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1126%2Fscience.1230492">10.1126/science.1230492</a>. <a href="/wiki/PMID_(identifier)" class="mw-redirect" title="PMID (identifier)">PMID</a> <a rel="nofollow" class="external text" href="https://pubmed.ncbi.nlm.nih.gov/23393261">23393261</a>. <a href="/wiki/S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:6112274">6112274</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Science&rft.atitle=Time+scales+of+critical+events+around+the+Cretaceous-Paleogene+boundary&rft.volume=339&rft.issue=6120&rft.pages=%3Cspan+class%3D%22nowrap%22%3E684-%3C%2Fspan%3E688&rft.date=2013&rft_id=info%3Adoi%2F10.1126%2Fscience.1230492&rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A6112274%23id-name%3DS2CID&rft_id=info%3Apmid%2F23393261&rft_id=info%3Abibcode%2F2013Sci...339..684R&rft.au=Renne%2C+Paul+R.&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-MacLeod-15"><span class="mw-cite-backlink">^ <a href="#cite_ref-MacLeod_15-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-MacLeod_15-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-MacLeod_15-2"><sup><i><b>c</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFMacLeod,_NRawson,_PFForey,_PLBanner,_FT1997" class="citation journal cs1">MacLeod, N; Rawson, PF; Forey, PL; Banner, FT; Boudagher-Fadel, MK; Bown, PR; Burnett, JA; et al. (1997). <a rel="nofollow" class="external text" href="https://www.researchgate.net/publication/39065961">"The Cretaceous–Tertiary biotic transition"</a>. <i><a href="/wiki/Journal_of_the_Geological_Society" title="Journal of the Geological Society">Journal of the Geological Society</a></i>. <b>154</b> (2): <span class="nowrap">265–</span>292. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/1997JGSoc.154..265M">1997JGSoc.154..265M</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1144%2Fgsjgs.154.2.0265">10.1144/gsjgs.154.2.0265</a>. <a href="/wiki/S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:129654916">129654916</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Journal+of+the+Geological+Society&rft.atitle=The+Cretaceous%E2%80%93Tertiary+biotic+transition&rft.volume=154&rft.issue=2&rft.pages=%3Cspan+class%3D%22nowrap%22%3E265-%3C%2Fspan%3E292&rft.date=1997&rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A129654916%23id-name%3DS2CID&rft_id=info%3Adoi%2F10.1144%2Fgsjgs.154.2.0265&rft_id=info%3Abibcode%2F1997JGSoc.154..265M&rft.au=MacLeod%2C+N&rft.au=Rawson%2C+PF&rft.au=Forey%2C+PL&rft.au=Banner%2C+FT&rft.au=Boudagher-Fadel%2C+MK&rft.au=Bown%2C+PR&rft.au=Burnett%2C+JA&rft.au=Chambers%2C+P&rft.au=Culver%2C+S&rft.au=Evans%2C+SE&rft.au=Jeffery%2C+C&rft.au=Kaminski%2C+MA&rft.au=Lord%2C+AR&rft.au=Milner%2C+AC&rft.au=Milner%2C+AR&rft.au=Morris%2C+N&rft.au=Owen%2C+E&rft.au=Rosen%2C+BR&rft.au=Smith%2C+AB&rft.au=Taylor%2C+PD&rft.au=Urquhart%2C+E&rft.au=Young%2C+JR&rft_id=https%3A%2F%2Fwww.researchgate.net%2Fpublication%2F39065961&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-16"><span class="mw-cite-backlink"><b><a href="#cite_ref-16">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFWilf,_PJohnson_KR2004" class="citation journal cs1">Wilf, P; Johnson KR (2004). "Land plant extinction at the end of the Cretaceous: a quantitative analysis of the North Dakota megafloral record". <i><a href="/wiki/Paleobiology_(journal)" title="Paleobiology (journal)">Paleobiology</a></i>. <b>30</b> (3): <span class="nowrap">347–</span>368. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1666%2F0094-8373%282004%29030%3C0347%3ALPEATE%3E2.0.CO%3B2">10.1666/0094-8373(2004)030<0347:LPEATE>2.0.CO;2</a>. <a href="/wiki/S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:33880578">33880578</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Paleobiology&rft.atitle=Land+plant+extinction+at+the+end+of+the+Cretaceous%3A+a+quantitative+analysis+of+the+North+Dakota+megafloral+record&rft.volume=30&rft.issue=3&rft.pages=%3Cspan+class%3D%22nowrap%22%3E347-%3C%2Fspan%3E368&rft.date=2004&rft_id=info%3Adoi%2F10.1666%2F0094-8373%282004%29030%3C0347%3ALPEATE%3E2.0.CO%3B2&rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A33880578%23id-name%3DS2CID&rft.au=Wilf%2C+P&rft.au=Johnson+KR&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-Kauffman-17"><span class="mw-cite-backlink"><b><a href="#cite_ref-Kauffman_17-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFKauffman2004" class="citation journal cs1">Kauffman, E (2004). <a rel="nofollow" class="external text" href="http://doc.rero.ch/record/14992/files/PAL_E2143.pdf">"Mosasaur Predation on Upper Cretaceous Nautiloids and Ammonites from the United States Pacific Coast"</a> <span class="cs1-format">(PDF)</span>. <i><a href="/wiki/PALAIOS" title="PALAIOS">PALAIOS</a></i>. <b>19</b> (1): <span class="nowrap">96–</span>100. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2004Palai..19...96K">2004Palai..19...96K</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1669%2F0883-1351%282004%29019%3C0096%3AMPOUCN%3E2.0.CO%3B2">10.1669/0883-1351(2004)019<0096:MPOUCN>2.0.CO;2</a>. <a href="/wiki/S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:130690035">130690035</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=PALAIOS&rft.atitle=Mosasaur+Predation+on+Upper+Cretaceous+Nautiloids+and+Ammonites+from+the+United+States+Pacific+Coast&rft.volume=19&rft.issue=1&rft.pages=%3Cspan+class%3D%22nowrap%22%3E96-%3C%2Fspan%3E100&rft.date=2004&rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A130690035%23id-name%3DS2CID&rft_id=info%3Adoi%2F10.1669%2F0883-1351%282004%29019%3C0096%3AMPOUCN%3E2.0.CO%3B2&rft_id=info%3Abibcode%2F2004Palai..19...96K&rft.aulast=Kauffman&rft.aufirst=E&rft_id=http%3A%2F%2Fdoc.rero.ch%2Frecord%2F14992%2Ffiles%2FPAL_E2143.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-SheehanHansen-18"><span class="mw-cite-backlink">^ <a href="#cite_ref-SheehanHansen_18-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-SheehanHansen_18-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFShehan,_PHansen,_TA1986" class="citation journal cs1">Shehan, P; Hansen, TA (1986). "Detritus feeding as a buffer to extinction at the end of the Cretaceous". <i><a href="/wiki/Geology_(journal)" title="Geology (journal)">Geology</a></i>. <b>14</b> (10): <span class="nowrap">868–</span>870. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/1986Geo....14..868S">1986Geo....14..868S</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1130%2F0091-7613%281986%2914%3C868%3ADFAABT%3E2.0.CO%3B2">10.1130/0091-7613(1986)14<868:DFAABT>2.0.CO;2</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Geology&rft.atitle=Detritus+feeding+as+a+buffer+to+extinction+at+the+end+of+the+Cretaceous&rft.volume=14&rft.issue=10&rft.pages=%3Cspan+class%3D%22nowrap%22%3E868-%3C%2Fspan%3E870&rft.date=1986&rft_id=info%3Adoi%2F10.1130%2F0091-7613%281986%2914%3C868%3ADFAABT%3E2.0.CO%3B2&rft_id=info%3Abibcode%2F1986Geo....14..868S&rft.au=Shehan%2C+P&rft.au=Hansen%2C+TA&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-19"><span class="mw-cite-backlink"><b><a href="#cite_ref-19">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFAberhan,_MWeidemeyer,_SKieesling,_WScasso,_RA2007" class="citation journal cs1">Aberhan, M; Weidemeyer, S; Kieesling, W; Scasso, RA & Medina, FA (2007). "Faunal evidence for reduced productivity and uncoordinated recovery in Southern Hemisphere Cretaceous–Paleogene boundary sections". <i><a href="/wiki/Geology_(journal)" title="Geology (journal)">Geology</a></i>. <b>35</b> (3): <span class="nowrap">227–</span>230. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2007Geo....35..227A">2007Geo....35..227A</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1130%2FG23197A.1">10.1130/G23197A.1</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Geology&rft.atitle=Faunal+evidence+for+reduced+productivity+and+uncoordinated+recovery+in+Southern+Hemisphere+Cretaceous%E2%80%93Paleogene+boundary+sections&rft.volume=35&rft.issue=3&rft.pages=%3Cspan+class%3D%22nowrap%22%3E227-%3C%2Fspan%3E230&rft.date=2007&rft_id=info%3Adoi%2F10.1130%2FG23197A.1&rft_id=info%3Abibcode%2F2007Geo....35..227A&rft.au=Aberhan%2C+M&rft.au=Weidemeyer%2C+S&rft.au=Kieesling%2C+W&rft.au=Scasso%2C+RA&rft.au=Medina%2C+FA&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-20"><span class="mw-cite-backlink"><b><a href="#cite_ref-20">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFSheehan,_PMFastovsky,_DE1992" class="citation journal cs1">Sheehan, PM; Fastovsky, DE (1992). "Major extinctions of land-dwelling vertebrates at the Cretaceous–Paleogene boundary, eastern Montana". <i>Geology</i>. <b>20</b> (6): <span class="nowrap">556–</span>560. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/1992Geo....20..556S">1992Geo....20..556S</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1130%2F0091-7613%281992%29020%3C0556%3AMEOLDV%3E2.3.CO%3B2">10.1130/0091-7613(1992)020<0556:MEOLDV>2.3.CO;2</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Geology&rft.atitle=Major+extinctions+of+land-dwelling+vertebrates+at+the+Cretaceous%E2%80%93Paleogene+boundary%2C+eastern+Montana&rft.volume=20&rft.issue=6&rft.pages=%3Cspan+class%3D%22nowrap%22%3E556-%3C%2Fspan%3E560&rft.date=1992&rft_id=info%3Adoi%2F10.1130%2F0091-7613%281992%29020%3C0556%3AMEOLDV%3E2.3.CO%3B2&rft_id=info%3Abibcode%2F1992Geo....20..556S&rft.au=Sheehan%2C+PM&rft.au=Fastovsky%2C+DE&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-FOOTNOTEStanley1999481–482-21"><span class="mw-cite-backlink">^ <a href="#cite_ref-FOOTNOTEStanley1999481–482_21-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-FOOTNOTEStanley1999481–482_21-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><a href="#CITEREFStanley1999">Stanley 1999</a>, pp. 481–482.</span> </li> <li id="cite_note-22"><span class="mw-cite-backlink"><b><a href="#cite_ref-22">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFWeimar1960" class="citation journal cs1">Weimar, R.J. (1960). "Upper Cretaceous Stratigraphy, Rocky Mountain Area". <i>AAPG Bulletin</i>. <b>44</b>: <span class="nowrap">1–</span>20. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1306%2F0BDA5F6F-16BD-11D7-8645000102C1865D">10.1306/0BDA5F6F-16BD-11D7-8645000102C1865D</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=AAPG+Bulletin&rft.atitle=Upper+Cretaceous+Stratigraphy%2C+Rocky+Mountain+Area&rft.volume=44&rft.pages=%3Cspan+class%3D%22nowrap%22%3E1-%3C%2Fspan%3E20&rft.date=1960&rft_id=info%3Adoi%2F10.1306%2F0BDA5F6F-16BD-11D7-8645000102C1865D&rft.aulast=Weimar&rft.aufirst=R.J.&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-Brownstein2018-23"><span class="mw-cite-backlink"><b><a href="#cite_ref-Brownstein2018_23-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFBrownstein2018" class="citation journal cs1">Brownstein, Chase D (2018). <a rel="nofollow" class="external text" href="https://palaeo-electronica.org/content/2018/2123-appalachia-biogeography">"The biogeography and ecology of the Cretaceous non-avian dinosaurs of Appalachia"</a>. <i><a href="/wiki/Palaeontologia_Electronica" title="Palaeontologia Electronica">Palaeontologia Electronica</a></i>. <b>21</b>: <span class="nowrap">1–</span>56. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://doi.org/10.26879%2F801">10.26879/801</a></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Palaeontologia+Electronica&rft.atitle=The+biogeography+and+ecology+of+the+Cretaceous+non-avian+dinosaurs+of+Appalachia&rft.volume=21&rft.pages=%3Cspan+class%3D%22nowrap%22%3E1-%3C%2Fspan%3E56&rft.date=2018&rft_id=info%3Adoi%2F10.26879%2F801&rft.aulast=Brownstein&rft.aufirst=Chase+D&rft_id=https%3A%2F%2Fpalaeo-electronica.org%2Fcontent%2F2018%2F2123-appalachia-biogeography&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-24"><span class="mw-cite-backlink"><b><a href="#cite_ref-24">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFMoussavou2015" class="citation journal cs1">Moussavou, Benjamin Musavu (25 September 2015). <a rel="nofollow" class="external text" href="https://bioone.org/journals/geodiversitas/volume-37/issue-3/g2015n3a2/Bivalves-Mollusca-from-the-Coniacian-Santonian-Anguille-Formation-from-Cap/10.5252/g2015n3a2.short">"Bivalves (Mollusca) from the Coniacian-Santonian Anguille Formation from Cap Esterias, Northern Gabon, with notes on paleoecology and paleobiogeography"</a>. <i>Geodiversitas</i>. <b>37</b> (3): <span class="nowrap">315–</span>324. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.5252%2Fg2015n3a2">10.5252/g2015n3a2</a>. <a href="/wiki/S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:128803778">128803778</a><span class="reference-accessdate">. Retrieved <span class="nowrap">28 December</span> 2022</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Geodiversitas&rft.atitle=Bivalves+%28Mollusca%29+from+the+Coniacian-Santonian+Anguille+Formation+from+Cap+Esterias%2C+Northern+Gabon%2C+with+notes+on+paleoecology+and+paleobiogeography&rft.volume=37&rft.issue=3&rft.pages=%3Cspan+class%3D%22nowrap%22%3E315-%3C%2Fspan%3E324&rft.date=2015-09-25&rft_id=info%3Adoi%2F10.5252%2Fg2015n3a2&rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A128803778%23id-name%3DS2CID&rft.aulast=Moussavou&rft.aufirst=Benjamin+Musavu&rft_id=https%3A%2F%2Fbioone.org%2Fjournals%2Fgeodiversitas%2Fvolume-37%2Fissue-3%2Fg2015n3a2%2FBivalves-Mollusca-from-the-Coniacian-Santonian-Anguille-Formation-from-Cap%2F10.5252%2Fg2015n3a2.short&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-25"><span class="mw-cite-backlink"><b><a href="#cite_ref-25">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFMutterloseBrumsackFlögelHay2003" class="citation journal cs1">Mutterlose, Jörg; Brumsack, Hans; Flögel, Sascha; Hay, William; Klein, Christian; Langrock, Uwe; Lipinski, Marcus; Ricken, Werner; Söding, Emanuel; Stein, Rüdiger; Swientek, Oliver (26 February 2003). <a rel="nofollow" class="external text" href="https://agupubs.onlinelibrary.wiley.com/doi/full/10.1029/2001pa000625">"The Greenland-Norwegian Seaway: A key area for understanding Late Jurassic to Early Cretaceous paleoenvironments"</a>. <i><a href="/wiki/Paleoceanography_and_Paleoclimatology" title="Paleoceanography and Paleoclimatology">Paleoceanography and Paleoclimatology</a></i>. <b>18</b> (1): <span class="nowrap">10-1 –</span> <span class="nowrap">10-25</span>. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2003PalOc..18.1010M">2003PalOc..18.1010M</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1029%2F2001pa000625">10.1029/2001pa000625</a><span class="reference-accessdate">. Retrieved <span class="nowrap">14 May</span> 2023</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Paleoceanography+and+Paleoclimatology&rft.atitle=The+Greenland-Norwegian+Seaway%3A+A+key+area+for+understanding+Late+Jurassic+to+Early+Cretaceous+paleoenvironments&rft.volume=18&rft.issue=1&rft.pages=%3Cspan+class%3D%22nowrap%22%3E10-1+-%3C%2Fspan%3E+%3Cspan+class%3D%22nowrap%22%3E10-25%3C%2Fspan%3E&rft.date=2003-02-26&rft_id=info%3Adoi%2F10.1029%2F2001pa000625&rft_id=info%3Abibcode%2F2003PalOc..18.1010M&rft.aulast=Mutterlose&rft.aufirst=J%C3%B6rg&rft.au=Brumsack%2C+Hans&rft.au=Fl%C3%B6gel%2C+Sascha&rft.au=Hay%2C+William&rft.au=Klein%2C+Christian&rft.au=Langrock%2C+Uwe&rft.au=Lipinski%2C+Marcus&rft.au=Ricken%2C+Werner&rft.au=S%C3%B6ding%2C+Emanuel&rft.au=Stein%2C+R%C3%BCdiger&rft.au=Swientek%2C+Oliver&rft_id=https%3A%2F%2Fagupubs.onlinelibrary.wiley.com%2Fdoi%2Ffull%2F10.1029%2F2001pa000625&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-26"><span class="mw-cite-backlink"><b><a href="#cite_ref-26">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFDixonBentonKingsleyBaker2001" class="citation book cs1">Dixon, Dougal; Benton, M J; Kingsley, Ayala; Baker, Julian (2001). <i>Atlas of Life on Earth</i>. New York: Barnes & Noble Books. p. 215. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/9780760719572" title="Special:BookSources/9780760719572"><bdi>9780760719572</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Atlas+of+Life+on+Earth&rft.place=New+York&rft.pages=215&rft.pub=Barnes+%26+Noble+Books&rft.date=2001&rft.isbn=9780760719572&rft.aulast=Dixon&rft.aufirst=Dougal&rft.au=Benton%2C+M+J&rft.au=Kingsley%2C+Ayala&rft.au=Baker%2C+Julian&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-FOOTNOTEStanley1999280-27"><span class="mw-cite-backlink"><b><a href="#cite_ref-FOOTNOTEStanley1999280_27-0">^</a></b></span> <span class="reference-text"><a href="#CITEREFStanley1999">Stanley 1999</a>, p. 280.</span> </li> <li id="cite_note-FOOTNOTEStanley1999279–281-28"><span class="mw-cite-backlink"><b><a href="#cite_ref-FOOTNOTEStanley1999279–281_28-0">^</a></b></span> <span class="reference-text"><a href="#CITEREFStanley1999">Stanley 1999</a>, pp. 279–281.</span> </li> <li id="cite_note-ClimatePalynology-29"><span class="mw-cite-backlink"><b><a href="#cite_ref-ClimatePalynology_29-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFWangLiLiWang2022" class="citation journal cs1">Wang, Jing-Yu; Li, Xiang-Hui; Li, Li-Qin; Wang, Yong-Dong (September 2022). <a rel="nofollow" class="external text" href="https://www.sciencedirect.com/science/article/abs/pii/S1871174X21000895">"Cretaceous climate variations indicated by palynoflora in South China"</a>. <i><a href="/wiki/Palaeoworld" title="Palaeoworld">Palaeoworld</a></i>. <b>31</b> (3): <span class="nowrap">507–</span>520. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1016%2Fj.palwor.2021.11.001">10.1016/j.palwor.2021.11.001</a>. <a href="/wiki/S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:243963376">243963376</a><span class="reference-accessdate">. Retrieved <span class="nowrap">11 December</span> 2022</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Palaeoworld&rft.atitle=Cretaceous+climate+variations+indicated+by+palynoflora+in+South+China&rft.volume=31&rft.issue=3&rft.pages=%3Cspan+class%3D%22nowrap%22%3E507-%3C%2Fspan%3E520&rft.date=2022-09&rft_id=info%3Adoi%2F10.1016%2Fj.palwor.2021.11.001&rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A243963376%23id-name%3DS2CID&rft.aulast=Wang&rft.aufirst=Jing-Yu&rft.au=Li%2C+Xiang-Hui&rft.au=Li%2C+Li-Qin&rft.au=Wang%2C+Yong-Dong&rft_id=https%3A%2F%2Fwww.sciencedirect.com%2Fscience%2Farticle%2Fabs%2Fpii%2FS1871174X21000895&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-30"><span class="mw-cite-backlink"><b><a href="#cite_ref-30">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFGiorgioniWeissertBernasconiHochuli2012" class="citation journal cs1">Giorgioni, Martino; Weissert, Helmut; Bernasconi, Stefano M.; Hochuli, Peter A.; Coccioni, Rodolfo; Keller, Christina E. (21 January 2012). <a rel="nofollow" class="external text" href="https://doi.org/10.1029%2F2011PA002163">"Orbital control on carbon cycle and oceanography in the mid-Cretaceous greenhouse: LONG ECCENTRICITY CYCLES IN C-ISOTOPE"</a>. <i><a href="/wiki/Paleoceanography_and_Paleoclimatology" title="Paleoceanography and Paleoclimatology">Paleoceanography and Paleoclimatology</a></i>. <b>27</b> (1): <span class="nowrap">1–</span>12. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://doi.org/10.1029%2F2011PA002163">10.1029/2011PA002163</a></span>. <a href="/wiki/S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:128594924">128594924</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Paleoceanography+and+Paleoclimatology&rft.atitle=Orbital+control+on+carbon+cycle+and+oceanography+in+the+mid-Cretaceous+greenhouse%3A+LONG+ECCENTRICITY+CYCLES+IN+C-ISOTOPE&rft.volume=27&rft.issue=1&rft.pages=%3Cspan+class%3D%22nowrap%22%3E1-%3C%2Fspan%3E12&rft.date=2012-01-21&rft_id=info%3Adoi%2F10.1029%2F2011PA002163&rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A128594924%23id-name%3DS2CID&rft.aulast=Giorgioni&rft.aufirst=Martino&rft.au=Weissert%2C+Helmut&rft.au=Bernasconi%2C+Stefano+M.&rft.au=Hochuli%2C+Peter+A.&rft.au=Coccioni%2C+Rodolfo&rft.au=Keller%2C+Christina+E.&rft_id=https%3A%2F%2Fdoi.org%2F10.1029%252F2011PA002163&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-31"><span class="mw-cite-backlink"><b><a href="#cite_ref-31">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFHofmannWagner2011" class="citation journal cs1">Hofmann, P.; Wagner, T. (23 December 2011). <a rel="nofollow" class="external text" href="https://doi.org/10.1029%2F2011PA002154">"ITCZ controls on Late Cretaceous black shale sedimentation in the tropical Atlantic Ocean"</a>. <i><a href="/wiki/Paleoceanography_and_Paleoclimatology" title="Paleoceanography and Paleoclimatology">Paleoceanography and Paleoclimatology</a></i>. <b>26</b> (4): <span class="nowrap">1–</span>11. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2011PalOc..26.4223H">2011PalOc..26.4223H</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://doi.org/10.1029%2F2011PA002154">10.1029/2011PA002154</a></span>. <a href="/wiki/ISSN_(identifier)" class="mw-redirect" title="ISSN (identifier)">ISSN</a> <a rel="nofollow" class="external text" href="https://search.worldcat.org/issn/0883-8305">0883-8305</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Paleoceanography+and+Paleoclimatology&rft.atitle=ITCZ+controls+on+Late+Cretaceous+black+shale+sedimentation+in+the+tropical+Atlantic+Ocean&rft.volume=26&rft.issue=4&rft.pages=%3Cspan+class%3D%22nowrap%22%3E1-%3C%2Fspan%3E11&rft.date=2011-12-23&rft.issn=0883-8305&rft_id=info%3Adoi%2F10.1029%2F2011PA002154&rft_id=info%3Abibcode%2F2011PalOc..26.4223H&rft.aulast=Hofmann&rft.aufirst=P.&rft.au=Wagner%2C+T.&rft_id=https%3A%2F%2Fdoi.org%2F10.1029%252F2011PA002154&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-The_Berriasian_Age-32"><span class="mw-cite-backlink">^ <a href="#cite_ref-The_Berriasian_Age_32-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-The_Berriasian_Age_32-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFKazlev" class="citation web cs1">Kazlev, M.Alan. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20101220223930/http://palaeos.com/Mesozoic/Cretaceous/Berriasian.html">"Palaeos Mesozoic: Cretaceous: The Berriasian Age"</a>. <i>Palaeos.com</i>. Archived from <a rel="nofollow" class="external text" href="http://palaeos.com/mesozoic/cretaceous/berriasian.html">the original</a> on 20 December 2010<span class="reference-accessdate">. Retrieved <span class="nowrap">18 October</span> 2017</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Palaeos.com&rft.atitle=Palaeos+Mesozoic%3A+Cretaceous%3A+The+Berriasian+Age&rft.aulast=Kazlev&rft.aufirst=M.Alan&rft_id=http%3A%2F%2Fpalaeos.com%2Fmesozoic%2Fcretaceous%2Fberriasian.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-33"><span class="mw-cite-backlink"><b><a href="#cite_ref-33">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFAbbinkTargaronaBrinkhuisVisscher2001" class="citation journal cs1">Abbink, Oscar; Targarona, Jordi; Brinkhuis, Henk; Visscher, Henk (October 2001). <a rel="nofollow" class="external text" href="https://www.sciencedirect.com/science/article/abs/pii/S0921818101001011">"Late Jurassic to earliest Cretaceous palaeoclimatic evolution of the southern North Sea"</a>. <i><a href="/wiki/Global_and_Planetary_Change" title="Global and Planetary Change">Global and Planetary Change</a></i>. <b>30</b> (<span class="nowrap">3–</span>4): <span class="nowrap">231–</span>256. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2001GPC....30..231A">2001GPC....30..231A</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1016%2FS0921-8181%2801%2900101-1">10.1016/S0921-8181(01)00101-1</a><span class="reference-accessdate">. Retrieved <span class="nowrap">17 August</span> 2023</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Global+and+Planetary+Change&rft.atitle=Late+Jurassic+to+earliest+Cretaceous+palaeoclimatic+evolution+of+the+southern+North+Sea&rft.volume=30&rft.issue=%3Cspan+class%3D%22nowrap%22%3E3%E2%80%93%3C%2Fspan%3E4&rft.pages=%3Cspan+class%3D%22nowrap%22%3E231-%3C%2Fspan%3E256&rft.date=2001-10&rft_id=info%3Adoi%2F10.1016%2FS0921-8181%2801%2900101-1&rft_id=info%3Abibcode%2F2001GPC....30..231A&rft.aulast=Abbink&rft.aufirst=Oscar&rft.au=Targarona%2C+Jordi&rft.au=Brinkhuis%2C+Henk&rft.au=Visscher%2C+Henk&rft_id=https%3A%2F%2Fwww.sciencedirect.com%2Fscience%2Farticle%2Fabs%2Fpii%2FS0921818101001011&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-ChristopherScotese-34"><span class="mw-cite-backlink">^ <a href="#cite_ref-ChristopherScotese_34-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-ChristopherScotese_34-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-ChristopherScotese_34-2"><sup><i><b>c</b></i></sup></a> <a href="#cite_ref-ChristopherScotese_34-3"><sup><i><b>d</b></i></sup></a> <a href="#cite_ref-ChristopherScotese_34-4"><sup><i><b>e</b></i></sup></a> <a href="#cite_ref-ChristopherScotese_34-5"><sup><i><b>f</b></i></sup></a> <a href="#cite_ref-ChristopherScotese_34-6"><sup><i><b>g</b></i></sup></a> <a href="#cite_ref-ChristopherScotese_34-7"><sup><i><b>h</b></i></sup></a> <a href="#cite_ref-ChristopherScotese_34-8"><sup><i><b>i</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFScoteseSongMillsvan_der_Meer2021" class="citation journal cs1">Scotese, Christopher R.; Song, Haijun; Mills, Benjamin J. W.; van der Meer, Douwe G. (April 2021). <a rel="nofollow" class="external text" href="https://web.archive.org/web/20210108000000/http://dx.doi.org/10.1016/j.earscirev.2021.103503">"Phanerozoic paleotemperatures: The earth's changing climate during the last 540 million years"</a>. <i><a href="/wiki/Earth-Science_Reviews" title="Earth-Science Reviews">Earth-Science Reviews</a></i>. <b>215</b>: 103503. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2021ESRv..21503503S">2021ESRv..21503503S</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1016%2Fj.earscirev.2021.103503">10.1016/j.earscirev.2021.103503</a>. <a href="/wiki/ISSN_(identifier)" class="mw-redirect" title="ISSN (identifier)">ISSN</a> <a rel="nofollow" class="external text" href="https://search.worldcat.org/issn/0012-8252">0012-8252</a>. <a href="/wiki/S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:233579194">233579194</a>. Archived from <a rel="nofollow" class="external text" href="https://www.sciencedirect.com/science/article/abs/pii/S0012825221000027">the original</a> on 8 January 2021<span class="reference-accessdate">. Retrieved <span class="nowrap">18 March</span> 2023</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Earth-Science+Reviews&rft.atitle=Phanerozoic+paleotemperatures%3A+The+earth%27s+changing+climate+during+the+last+540+million+years&rft.volume=215&rft.pages=103503&rft.date=2021-04&rft_id=info%3Adoi%2F10.1016%2Fj.earscirev.2021.103503&rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A233579194%23id-name%3DS2CID&rft.issn=0012-8252&rft_id=info%3Abibcode%2F2021ESRv..21503503S&rft.aulast=Scotese&rft.aufirst=Christopher+R.&rft.au=Song%2C+Haijun&rft.au=Mills%2C+Benjamin+J.+W.&rft.au=van+der+Meer%2C+Douwe+G.&rft_id=https%3A%2F%2Fwww.sciencedirect.com%2Fscience%2Farticle%2Fabs%2Fpii%2FS0012825221000027&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-35"><span class="mw-cite-backlink"><b><a href="#cite_ref-35">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFMartinezAguirre-UrretaDeraLescano2023" class="citation journal cs1">Martinez, Mathieu; Aguirre-Urreta, Beatriz; Dera, Guillaume; Lescano, Marina; Omarini, Julieta; Tunik, Maisa; O'Dogherty, Luis; Aguado, Roque; Company, Miguel; Bodin, Stéphane (April 2023). <a rel="nofollow" class="external text" href="https://www.sciencedirect.com/science/article/abs/pii/S0012825223000454">"Synchrony of carbon cycle fluctuations, volcanism and orbital forcing during the Early Cretaceous"</a>. <i><a href="/wiki/Earth-Science_Reviews" title="Earth-Science Reviews">Earth-Science Reviews</a></i>. <b>239</b>. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2023ESRv..23904356M">2023ESRv..23904356M</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1016%2Fj.earscirev.2023.104356">10.1016/j.earscirev.2023.104356</a>. <a href="/wiki/S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:256880421">256880421</a><span class="reference-accessdate">. Retrieved <span class="nowrap">9 August</span> 2023</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Earth-Science+Reviews&rft.atitle=Synchrony+of+carbon+cycle+fluctuations%2C+volcanism+and+orbital+forcing+during+the+Early+Cretaceous&rft.volume=239&rft.date=2023-04&rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A256880421%23id-name%3DS2CID&rft_id=info%3Adoi%2F10.1016%2Fj.earscirev.2023.104356&rft_id=info%3Abibcode%2F2023ESRv..23904356M&rft.aulast=Martinez&rft.aufirst=Mathieu&rft.au=Aguirre-Urreta%2C+Beatriz&rft.au=Dera%2C+Guillaume&rft.au=Lescano%2C+Marina&rft.au=Omarini%2C+Julieta&rft.au=Tunik%2C+Maisa&rft.au=O%27Dogherty%2C+Luis&rft.au=Aguado%2C+Roque&rft.au=Company%2C+Miguel&rft.au=Bodin%2C+St%C3%A9phane&rft_id=https%3A%2F%2Fwww.sciencedirect.com%2Fscience%2Farticle%2Fabs%2Fpii%2FS0012825223000454&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span> <span class="cs1-visible-error citation-comment"><code class="cs1-code">{{<a href="/wiki/Template:Cite_journal" title="Template:Cite journal">cite journal</a>}}</code>: </span><span class="cs1-visible-error citation-comment"><code class="cs1-code">|last9=</code> has generic name (<a href="/wiki/Help:CS1_errors#generic_name" title="Help:CS1 errors">help</a>)</span></span> </li> <li id="cite_note-36"><span class="mw-cite-backlink"><b><a href="#cite_ref-36">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFBoulilaCharbonnierGalbrunGardin2015" class="citation journal cs1">Boulila, Slah; Charbonnier, Guillaume; Galbrun, Bruno; Gardin, Silvia (1 July 2015). <a rel="nofollow" class="external text" href="https://linkinghub.elsevier.com/retrieve/pii/S0037073815001116">"Climatic precession is the main driver of Early Cretaceous sedimentation in the Vocontian Basin (France): Evidence from the Valanginian Orpierre succession"</a>. <i><a href="/wiki/Sedimentary_Geology_(journal)" title="Sedimentary Geology (journal)">Sedimentary Geology</a></i>. <b>324</b>: <span class="nowrap">1–</span>11. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1016%2Fj.sedgeo.2015.04.014">10.1016/j.sedgeo.2015.04.014</a><span class="reference-accessdate">. Retrieved <span class="nowrap">18 July</span> 2024</span> – via Elsevier Science Direct.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Sedimentary+Geology&rft.atitle=Climatic+precession+is+the+main+driver+of+Early+Cretaceous+sedimentation+in+the+Vocontian+Basin+%28France%29%3A+Evidence+from+the+Valanginian+Orpierre+succession&rft.volume=324&rft.pages=%3Cspan+class%3D%22nowrap%22%3E1-%3C%2Fspan%3E11&rft.date=2015-07-01&rft_id=info%3Adoi%2F10.1016%2Fj.sedgeo.2015.04.014&rft.aulast=Boulila&rft.aufirst=Slah&rft.au=Charbonnier%2C+Guillaume&rft.au=Galbrun%2C+Bruno&rft.au=Gardin%2C+Silvia&rft_id=https%3A%2F%2Flinkinghub.elsevier.com%2Fretrieve%2Fpii%2FS0037073815001116&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-37"><span class="mw-cite-backlink"><b><a href="#cite_ref-37">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFCuiLiAitchisonLuo2023" class="citation journal cs1">Cui, Xiaohui; Li, Xin; Aitchison, Jonathan C.; Luo, Hui (May 2023). <a rel="nofollow" class="external text" href="https://linkinghub.elsevier.com/retrieve/pii/S0377839823000464">"Early Cretaceous monsoonal upwelling along the northern margin of the Gondwana continent: Evidence from radiolarian cherts"</a>. <i>Marine Micropaleontology</i>. <b>181</b>: 102247. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1016%2Fj.marmicro.2023.102247">10.1016/j.marmicro.2023.102247</a><span class="reference-accessdate">. Retrieved <span class="nowrap">18 July</span> 2024</span> – via Elsevier Science Direct.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Marine+Micropaleontology&rft.atitle=Early+Cretaceous+monsoonal+upwelling+along+the+northern+margin+of+the+Gondwana+continent%3A+Evidence+from+radiolarian+cherts&rft.volume=181&rft.pages=102247&rft.date=2023-05&rft_id=info%3Adoi%2F10.1016%2Fj.marmicro.2023.102247&rft.aulast=Cui&rft.aufirst=Xiaohui&rft.au=Li%2C+Xin&rft.au=Aitchison%2C+Jonathan+C.&rft.au=Luo%2C+Hui&rft_id=https%3A%2F%2Flinkinghub.elsevier.com%2Fretrieve%2Fpii%2FS0377839823000464&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-38"><span class="mw-cite-backlink"><b><a href="#cite_ref-38">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFWangHoffmannHeZhang2023" class="citation journal cs1">Wang, Tianyang; Hoffmann, René; He, Songlin; Zhang, Qinghai; Li, Guobiao; Randrianaly, Hasina Nirina; Xie, Jing; Yue, Yahui; Ding, Lin (October 2023). <a rel="nofollow" class="external text" href="https://linkinghub.elsevier.com/retrieve/pii/S0921818123001935">"Early Cretaceous climate for the southern Tethyan Ocean: Insights from the geochemical and paleoecological analyses of extinct cephalopods"</a>. <i><a href="/wiki/Global_and_Planetary_Change" title="Global and Planetary Change">Global and Planetary Change</a></i>. <b>229</b>: 104220. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1016%2Fj.gloplacha.2023.104220">10.1016/j.gloplacha.2023.104220</a><span class="reference-accessdate">. Retrieved <span class="nowrap">18 July</span> 2024</span> – via Elsevier Science Direct.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Global+and+Planetary+Change&rft.atitle=Early+Cretaceous+climate+for+the+southern+Tethyan+Ocean%3A+Insights+from+the+geochemical+and+paleoecological+analyses+of+extinct+cephalopods&rft.volume=229&rft.pages=104220&rft.date=2023-10&rft_id=info%3Adoi%2F10.1016%2Fj.gloplacha.2023.104220&rft.aulast=Wang&rft.aufirst=Tianyang&rft.au=Hoffmann%2C+Ren%C3%A9&rft.au=He%2C+Songlin&rft.au=Zhang%2C+Qinghai&rft.au=Li%2C+Guobiao&rft.au=Randrianaly%2C+Hasina+Nirina&rft.au=Xie%2C+Jing&rft.au=Yue%2C+Yahui&rft.au=Ding%2C+Lin&rft_id=https%3A%2F%2Flinkinghub.elsevier.com%2Fretrieve%2Fpii%2FS0921818123001935&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-39"><span class="mw-cite-backlink"><b><a href="#cite_ref-39">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFLarsonErba2010" class="citation journal cs1">Larson, Roger L.; Erba, Elisabetta (4 May 2010). <a rel="nofollow" class="external text" href="https://doi.org/10.1029%2F1999PA900040">"Onset of the Mid-Cretaceous greenhouse in the Barremian-Aptian: Igneous events and the biological, sedimentary, and geochemical responses"</a>. <i><a href="/wiki/Paleoceanography_and_Paleoclimatology" title="Paleoceanography and Paleoclimatology">Paleoceanography and Paleoclimatology</a></i>. <b>14</b> (6): <span class="nowrap">663–</span>678. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://doi.org/10.1029%2F1999PA900040">10.1029/1999PA900040</a></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Paleoceanography+and+Paleoclimatology&rft.atitle=Onset+of+the+Mid-Cretaceous+greenhouse+in+the+Barremian-Aptian%3A+Igneous+events+and+the+biological%2C+sedimentary%2C+and+geochemical+responses&rft.volume=14&rft.issue=6&rft.pages=%3Cspan+class%3D%22nowrap%22%3E663-%3C%2Fspan%3E678&rft.date=2010-05-04&rft_id=info%3Adoi%2F10.1029%2F1999PA900040&rft.aulast=Larson&rft.aufirst=Roger+L.&rft.au=Erba%2C+Elisabetta&rft_id=https%3A%2F%2Fdoi.org%2F10.1029%252F1999PA900040&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-40"><span class="mw-cite-backlink"><b><a href="#cite_ref-40">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFSchoutenHopmansForsterVan_Breugel2003" class="citation journal cs1">Schouten, Stefan; Hopmans, Ellen C.; Forster, Astrid; Van Breugel, Yvonne; Kuypers, Marcel M. M.; Sinninghe Damsté, Jaap S. (1 December 2003). <a rel="nofollow" class="external text" href="https://pubs.geoscienceworld.org/gsa/geology/article-abstract/31/12/1069/29198/Extremely-high-sea-surface-temperatures-at-low">"Extremely high sea-surface temperatures at low latitudes during the middle Cretaceous as revealed by archaeal membrane lipids"</a>. <i><a href="/wiki/Geology_(journal)" title="Geology (journal)">Geology</a></i>. <b>31</b> (12): <span class="nowrap">1069–</span>1072. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2003Geo....31.1069S">2003Geo....31.1069S</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1130%2FG19876.1">10.1130/G19876.1</a>. <a href="/wiki/Hdl_(identifier)" class="mw-redirect" title="Hdl (identifier)">hdl</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://hdl.handle.net/21.11116%2F0000-0001-D1DF-8">21.11116/0000-0001-D1DF-8</a></span>. <a href="/wiki/S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:129660048">129660048</a><span class="reference-accessdate">. Retrieved <span class="nowrap">11 May</span> 2023</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Geology&rft.atitle=Extremely+high+sea-surface+temperatures+at+low+latitudes+during+the+middle+Cretaceous+as+revealed+by+archaeal+membrane+lipids&rft.volume=31&rft.issue=12&rft.pages=%3Cspan+class%3D%22nowrap%22%3E1069-%3C%2Fspan%3E1072&rft.date=2003-12-01&rft_id=info%3Ahdl%2F21.11116%2F0000-0001-D1DF-8&rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A129660048%23id-name%3DS2CID&rft_id=info%3Adoi%2F10.1130%2FG19876.1&rft_id=info%3Abibcode%2F2003Geo....31.1069S&rft.aulast=Schouten&rft.aufirst=Stefan&rft.au=Hopmans%2C+Ellen+C.&rft.au=Forster%2C+Astrid&rft.au=Van+Breugel%2C+Yvonne&rft.au=Kuypers%2C+Marcel+M.+M.&rft.au=Sinninghe+Damst%C3%A9%2C+Jaap+S.&rft_id=https%3A%2F%2Fpubs.geoscienceworld.org%2Fgsa%2Fgeology%2Farticle-abstract%2F31%2F12%2F1069%2F29198%2FExtremely-high-sea-surface-temperatures-at-low&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-41"><span class="mw-cite-backlink"><b><a href="#cite_ref-41">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFBehroozNaafsDicksonLove2018" class="citation journal cs1">Behrooz, L.; Naafs, B. D. A.; Dickson, A. J.; Love, G. D.; Batenburg, S. J.; Pancost, R. D. (August 2018). <a rel="nofollow" class="external text" href="https://doi.org/10.1029%2F2018PA003338">"Astronomically Driven Variations in Depositional Environments in the South Atlantic During the Early Cretaceous"</a>. <i><a href="/wiki/Paleoceanography_and_Paleoclimatology" title="Paleoceanography and Paleoclimatology">Paleoceanography and Paleoclimatology</a></i>. <b>33</b> (8): <span class="nowrap">894–</span>912. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2018PaPa...33..894B">2018PaPa...33..894B</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://doi.org/10.1029%2F2018PA003338">10.1029/2018PA003338</a></span>. <a href="/wiki/Hdl_(identifier)" class="mw-redirect" title="Hdl (identifier)">hdl</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://hdl.handle.net/1983%2Fdd9ce325-fc6b-44a0-bab0-e0aa68943adc">1983/dd9ce325-fc6b-44a0-bab0-e0aa68943adc</a></span>. <a href="/wiki/ISSN_(identifier)" class="mw-redirect" title="ISSN (identifier)">ISSN</a> <a rel="nofollow" class="external text" href="https://search.worldcat.org/issn/2572-4517">2572-4517</a>. <a href="/wiki/S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:89611847">89611847</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Paleoceanography+and+Paleoclimatology&rft.atitle=Astronomically+Driven+Variations+in+Depositional+Environments+in+the+South+Atlantic+During+the+Early+Cretaceous&rft.volume=33&rft.issue=8&rft.pages=%3Cspan+class%3D%22nowrap%22%3E894-%3C%2Fspan%3E912&rft.date=2018-08&rft_id=info%3Ahdl%2F1983%2Fdd9ce325-fc6b-44a0-bab0-e0aa68943adc&rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A89611847%23id-name%3DS2CID&rft_id=info%3Abibcode%2F2018PaPa...33..894B&rft.issn=2572-4517&rft_id=info%3Adoi%2F10.1029%2F2018PA003338&rft.aulast=Behrooz&rft.aufirst=L.&rft.au=Naafs%2C+B.+D.+A.&rft.au=Dickson%2C+A.+J.&rft.au=Love%2C+G.+D.&rft.au=Batenburg%2C+S.+J.&rft.au=Pancost%2C+R.+D.&rft_id=https%3A%2F%2Fdoi.org%2F10.1029%252F2018PA003338&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-42"><span class="mw-cite-backlink"><b><a href="#cite_ref-42">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFHasegawaKatsutaMurakiHeimhofer2022" class="citation journal cs1">Hasegawa, Hitoshi; Katsuta, Nagayoshi; Muraki, Yasushi; Heimhofer, Ulrich; Ichinnorov, Niiden; Asahi, Hirofumi; Ando, Hisao; Yamamoto, Koshi; Murayama, Masafumi; Ohta, Tohru; Yamamoto, Masanobu; Ikeda, Masayuki; Ishikawa, Kohki; Kuma, Ryusei; Hasegawa, Takashi; Hasebe, Noriko; Nishimoto, Shoji; Yamaguchi, Koichi; Abe, Fumio; Tada, Ryuji; Nakagawa, Takeshi (19 December 2022). <a rel="nofollow" class="external text" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9763356">"Decadal–centennial-scale solar-linked climate variations and millennial-scale internal oscillations during the Early Cretaceous"</a>. <i><a href="/wiki/Scientific_Reports" title="Scientific Reports">Scientific Reports</a></i>. <b>12</b> (1): 21894. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2022NatSR..1221894H">2022NatSR..1221894H</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1038%2Fs41598-022-25815-w">10.1038/s41598-022-25815-w</a>. <a href="/wiki/ISSN_(identifier)" class="mw-redirect" title="ISSN (identifier)">ISSN</a> <a rel="nofollow" class="external text" href="https://search.worldcat.org/issn/2045-2322">2045-2322</a>. <a href="/wiki/PMC_(identifier)" class="mw-redirect" title="PMC (identifier)">PMC</a> <span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9763356">9763356</a></span>. <a href="/wiki/PMID_(identifier)" class="mw-redirect" title="PMID (identifier)">PMID</a> <a rel="nofollow" class="external text" href="https://pubmed.ncbi.nlm.nih.gov/36536054">36536054</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Scientific+Reports&rft.atitle=Decadal%E2%80%93centennial-scale+solar-linked+climate+variations+and+millennial-scale+internal+oscillations+during+the+Early+Cretaceous&rft.volume=12&rft.issue=1&rft.pages=21894&rft.date=2022-12-19&rft_id=https%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fpmc%2Farticles%2FPMC9763356%23id-name%3DPMC&rft_id=info%3Abibcode%2F2022NatSR..1221894H&rft_id=info%3Apmid%2F36536054&rft_id=info%3Adoi%2F10.1038%2Fs41598-022-25815-w&rft.issn=2045-2322&rft.aulast=Hasegawa&rft.aufirst=Hitoshi&rft.au=Katsuta%2C+Nagayoshi&rft.au=Muraki%2C+Yasushi&rft.au=Heimhofer%2C+Ulrich&rft.au=Ichinnorov%2C+Niiden&rft.au=Asahi%2C+Hirofumi&rft.au=Ando%2C+Hisao&rft.au=Yamamoto%2C+Koshi&rft.au=Murayama%2C+Masafumi&rft.au=Ohta%2C+Tohru&rft.au=Yamamoto%2C+Masanobu&rft.au=Ikeda%2C+Masayuki&rft.au=Ishikawa%2C+Kohki&rft.au=Kuma%2C+Ryusei&rft.au=Hasegawa%2C+Takashi&rft.au=Hasebe%2C+Noriko&rft.au=Nishimoto%2C+Shoji&rft.au=Yamaguchi%2C+Koichi&rft.au=Abe%2C+Fumio&rft.au=Tada%2C+Ryuji&rft.au=Nakagawa%2C+Takeshi&rft_id=https%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fpmc%2Farticles%2FPMC9763356&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-43"><span class="mw-cite-backlink"><b><a href="#cite_ref-43">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFRodríguez-LópezLiesaPardoMeléndez2016" class="citation journal cs1">Rodríguez-López, Juan Pedro; Liesa, Carlos L.; Pardo, Gonzalo; Meléndez, Nieves; Soria, Ana R.; Skilling, Ian (15 June 2016). <a rel="nofollow" class="external text" href="https://www.sciencedirect.com/science/article/abs/pii/S003101821630058X">"Glacial dropstones in the western Tethys during the late Aptian–early Albian cold snap: Palaeoclimate and palaeogeographic implications for the mid-Cretaceous"</a>. <i><a href="/wiki/Palaeogeography,_Palaeoclimatology,_Palaeoecology" title="Palaeogeography, Palaeoclimatology, Palaeoecology">Palaeogeography, Palaeoclimatology, Palaeoecology</a></i>. <b>452</b>: <span class="nowrap">11–</span>27. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2016PPP...452...11R">2016PPP...452...11R</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1016%2Fj.palaeo.2016.04.004">10.1016/j.palaeo.2016.04.004</a><span class="reference-accessdate">. Retrieved <span class="nowrap">19 March</span> 2023</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Palaeogeography%2C+Palaeoclimatology%2C+Palaeoecology&rft.atitle=Glacial+dropstones+in+the+western+Tethys+during+the+late+Aptian%E2%80%93early+Albian+cold+snap%3A+Palaeoclimate+and+palaeogeographic+implications+for+the+mid-Cretaceous&rft.volume=452&rft.pages=%3Cspan+class%3D%22nowrap%22%3E11-%3C%2Fspan%3E27&rft.date=2016-06-15&rft_id=info%3Adoi%2F10.1016%2Fj.palaeo.2016.04.004&rft_id=info%3Abibcode%2F2016PPP...452...11R&rft.aulast=Rodr%C3%ADguez-L%C3%B3pez&rft.aufirst=Juan+Pedro&rft.au=Liesa%2C+Carlos+L.&rft.au=Pardo%2C+Gonzalo&rft.au=Mel%C3%A9ndez%2C+Nieves&rft.au=Soria%2C+Ana+R.&rft.au=Skilling%2C+Ian&rft_id=https%3A%2F%2Fwww.sciencedirect.com%2Fscience%2Farticle%2Fabs%2Fpii%2FS003101821630058X&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-44"><span class="mw-cite-backlink"><b><a href="#cite_ref-44">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFMutterloseBornemannHerrle2009" class="citation journal cs1">Mutterlose, Jörg; Bornemann, André; Herrle, Jens (May 2009). <a rel="nofollow" class="external text" href="https://www.researchgate.net/publication/233692068">"The Aptian - Albian cold snap: Evidence for "mid" Cretaceous icehouse interludes"</a>. <i><a href="/wiki/Neues_Jahrbuch_f%C3%BCr_Geologie_und_Pal%C3%A4ontologie" title="Neues Jahrbuch für Geologie und Paläontologie">Neues Jahrbuch für Geologie und Paläontologie</a></i>. <b>252</b> (2): <span class="nowrap">217–</span>225. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1127%2F0077-7749%2F2009%2F0252-0217">10.1127/0077-7749/2009/0252-0217</a><span class="reference-accessdate">. Retrieved <span class="nowrap">18 June</span> 2023</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Neues+Jahrbuch+f%C3%BCr+Geologie+und+Pal%C3%A4ontologie&rft.atitle=The+Aptian+-+Albian+cold+snap%3A+Evidence+for+%22mid%22+Cretaceous+icehouse+interludes&rft.volume=252&rft.issue=2&rft.pages=%3Cspan+class%3D%22nowrap%22%3E217-%3C%2Fspan%3E225&rft.date=2009-05&rft_id=info%3Adoi%2F10.1127%2F0077-7749%2F2009%2F0252-0217&rft.aulast=Mutterlose&rft.aufirst=J%C3%B6rg&rft.au=Bornemann%2C+Andr%C3%A9&rft.au=Herrle%2C+Jens&rft_id=https%3A%2F%2Fwww.researchgate.net%2Fpublication%2F233692068&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-45"><span class="mw-cite-backlink"><b><a href="#cite_ref-45">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFDiéguezPeyrotBarrón2010" class="citation journal cs1">Diéguez, Carmen; Peyrot, Daniel; Barrón, Eduardo (October 2010). <a rel="nofollow" class="external text" href="https://www.sciencedirect.com/science/article/abs/pii/S0034666710001223">"Floristic and vegetational changes in the Iberian Peninsula during Jurassic and Cretaceous"</a>. <i><a href="/wiki/Review_of_Palaeobotany_and_Palynology" title="Review of Palaeobotany and Palynology">Review of Palaeobotany and Palynology</a></i>. <b>162</b> (3): <span class="nowrap">325–</span>340. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2010RPaPa.162..325D">2010RPaPa.162..325D</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1016%2Fj.revpalbo.2010.06.004">10.1016/j.revpalbo.2010.06.004</a><span class="reference-accessdate">. Retrieved <span class="nowrap">18 June</span> 2023</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Review+of+Palaeobotany+and+Palynology&rft.atitle=Floristic+and+vegetational+changes+in+the+Iberian+Peninsula+during+Jurassic+and+Cretaceous&rft.volume=162&rft.issue=3&rft.pages=%3Cspan+class%3D%22nowrap%22%3E325-%3C%2Fspan%3E340&rft.date=2010-10&rft_id=info%3Adoi%2F10.1016%2Fj.revpalbo.2010.06.004&rft_id=info%3Abibcode%2F2010RPaPa.162..325D&rft.aulast=Di%C3%A9guez&rft.aufirst=Carmen&rft.au=Peyrot%2C+Daniel&rft.au=Barr%C3%B3n%2C+Eduardo&rft_id=https%3A%2F%2Fwww.sciencedirect.com%2Fscience%2Farticle%2Fabs%2Fpii%2FS0034666710001223&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-46"><span class="mw-cite-backlink"><b><a href="#cite_ref-46">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFFletcherGreenwoodMossSalisbury2014" class="citation journal cs1">Fletcher, Tamara L.; Greenwood, David R.; Moss, Patrick T.; Salisbury, Steven W. (1 March 2014). <a rel="nofollow" class="external text" href="https://pubs.geoscienceworld.org/sepm/palaios/article-abstract/29/3/121/146380/PALEOCLIMATE-OF-THE-LATE-CRETACEOUS-CENOMANIAN">"Paleoclimate of the Late Cretaceous (Cenomanian-Turonian) Portion of the Winton Formation, Central-Western Queensland, Australia: New Observations Based on Clamp and Bioclimatic Analysis"</a>. <i><a href="/wiki/PALAIOS" title="PALAIOS">PALAIOS</a></i>. <b>29</b> (<span class="nowrap">3–</span>4): <span class="nowrap">121–</span>128. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2014Palai..29..121F">2014Palai..29..121F</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.2110%2Fpalo.2013.080">10.2110/palo.2013.080</a>. <a href="/wiki/S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:128403453">128403453</a><span class="reference-accessdate">. Retrieved <span class="nowrap">6 April</span> 2023</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=PALAIOS&rft.atitle=Paleoclimate+of+the+Late+Cretaceous+%28Cenomanian-Turonian%29+Portion+of+the+Winton+Formation%2C+Central-Western+Queensland%2C+Australia%3A+New+Observations+Based+on+Clamp+and+Bioclimatic+Analysis&rft.volume=29&rft.issue=%3Cspan+class%3D%22nowrap%22%3E3%E2%80%93%3C%2Fspan%3E4&rft.pages=%3Cspan+class%3D%22nowrap%22%3E121-%3C%2Fspan%3E128&rft.date=2014-03-01&rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A128403453%23id-name%3DS2CID&rft_id=info%3Adoi%2F10.2110%2Fpalo.2013.080&rft_id=info%3Abibcode%2F2014Palai..29..121F&rft.aulast=Fletcher&rft.aufirst=Tamara+L.&rft.au=Greenwood%2C+David+R.&rft.au=Moss%2C+Patrick+T.&rft.au=Salisbury%2C+Steven+W.&rft_id=https%3A%2F%2Fpubs.geoscienceworld.org%2Fsepm%2Fpalaios%2Farticle-abstract%2F29%2F3%2F121%2F146380%2FPALEOCLIMATE-OF-THE-LATE-CRETACEOUS-CENOMANIAN&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-47"><span class="mw-cite-backlink"><b><a href="#cite_ref-47">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFLeckieBralowerCashman2002" class="citation journal cs1">Leckie, R. Mark; Bralower, Timothy J.; Cashman, Richard (23 August 2002). <a rel="nofollow" class="external text" href="https://agupubs.onlinelibrary.wiley.com/doi/full/10.1029/2001PA000623">"Oceanic anoxic events and plankton evolution: Biotic response to tectonic forcing during the mid-Cretaceous"</a>. <i><a href="/wiki/Paleoceanography_and_Paleoclimatology" title="Paleoceanography and Paleoclimatology">Paleoceanography and Paleoclimatology</a></i>. <b>17</b> (3): <span class="nowrap">13-1 –</span> <span class="nowrap">13-29</span>. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2002PalOc..17.1041L">2002PalOc..17.1041L</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1029%2F2001PA000623">10.1029/2001PA000623</a><span class="reference-accessdate">. Retrieved <span class="nowrap">19 April</span> 2023</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Paleoceanography+and+Paleoclimatology&rft.atitle=Oceanic+anoxic+events+and+plankton+evolution%3A+Biotic+response+to+tectonic+forcing+during+the+mid-Cretaceous&rft.volume=17&rft.issue=3&rft.pages=%3Cspan+class%3D%22nowrap%22%3E13-1+-%3C%2Fspan%3E+%3Cspan+class%3D%22nowrap%22%3E13-29%3C%2Fspan%3E&rft.date=2002-08-23&rft_id=info%3Adoi%2F10.1029%2F2001PA000623&rft_id=info%3Abibcode%2F2002PalOc..17.1041L&rft.aulast=Leckie&rft.aufirst=R.+Mark&rft.au=Bralower%2C+Timothy+J.&rft.au=Cashman%2C+Richard&rft_id=https%3A%2F%2Fagupubs.onlinelibrary.wiley.com%2Fdoi%2Ffull%2F10.1029%2F2001PA000623&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-48"><span class="mw-cite-backlink"><b><a href="#cite_ref-48">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFKerrick2001" class="citation journal cs1">Kerrick, Derrill M. (1 November 2001). <a rel="nofollow" class="external text" href="https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2001RG000105">"Present and past nonanthropogenic CO 2 degassing from the solid earth"</a>. <i><a href="/wiki/Reviews_of_Geophysics" title="Reviews of Geophysics">Reviews of Geophysics</a></i>. <b>39</b> (4): <span class="nowrap">565–</span>585. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1029%2F2001RG000105">10.1029/2001RG000105</a>. <a href="/wiki/ISSN_(identifier)" class="mw-redirect" title="ISSN (identifier)">ISSN</a> <a rel="nofollow" class="external text" href="https://search.worldcat.org/issn/8755-1209">8755-1209</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Reviews+of+Geophysics&rft.atitle=Present+and+past+nonanthropogenic+CO+2+degassing+from+the+solid+earth&rft.volume=39&rft.issue=4&rft.pages=%3Cspan+class%3D%22nowrap%22%3E565-%3C%2Fspan%3E585&rft.date=2001-11-01&rft_id=info%3Adoi%2F10.1029%2F2001RG000105&rft.issn=8755-1209&rft.aulast=Kerrick&rft.aufirst=Derrill+M.&rft_id=https%3A%2F%2Fagupubs.onlinelibrary.wiley.com%2Fdoi%2F10.1029%2F2001RG000105&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-49"><span class="mw-cite-backlink"><b><a href="#cite_ref-49">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFVandermarkTardunoBrinkman2007" class="citation journal cs1">Vandermark, Deborah; Tarduno, John A.; Brinkman, Donald B. (May 2007). <a rel="nofollow" class="external text" href="https://www.researchgate.net/publication/229407029">"A fossil champsosaur population from the high Arctic: Implications for Late Cretaceous paleotemperatures"</a>. <i><a href="/wiki/Palaeogeography,_Palaeoclimatology,_Palaeoecology" title="Palaeogeography, Palaeoclimatology, Palaeoecology">Palaeogeography, Palaeoclimatology, Palaeoecology</a></i>. <b>248</b> (<span class="nowrap">1–</span>2): <span class="nowrap">49–</span>59. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2007PPP...248...49V">2007PPP...248...49V</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1016%2Fj.palaeo.2006.11.008">10.1016/j.palaeo.2006.11.008</a><span class="reference-accessdate">. Retrieved <span class="nowrap">9 June</span> 2023</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Palaeogeography%2C+Palaeoclimatology%2C+Palaeoecology&rft.atitle=A+fossil+champsosaur+population+from+the+high+Arctic%3A+Implications+for+Late+Cretaceous+paleotemperatures&rft.volume=248&rft.issue=%3Cspan+class%3D%22nowrap%22%3E1%E2%80%93%3C%2Fspan%3E2&rft.pages=%3Cspan+class%3D%22nowrap%22%3E49-%3C%2Fspan%3E59&rft.date=2007-05&rft_id=info%3Adoi%2F10.1016%2Fj.palaeo.2006.11.008&rft_id=info%3Abibcode%2F2007PPP...248...49V&rft.aulast=Vandermark&rft.aufirst=Deborah&rft.au=Tarduno%2C+John+A.&rft.au=Brinkman%2C+Donald+B.&rft_id=https%3A%2F%2Fwww.researchgate.net%2Fpublication%2F229407029&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-50"><span class="mw-cite-backlink"><b><a href="#cite_ref-50">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFForsterSchoutenMoriyaWilson2007" class="citation journal cs1">Forster, Astrid; Schouten, Stephan; Moriya, Kazuyoshi; Wilson, Paul A.; Sinninghe Damsté, Jaap S. (14 March 2007). <a rel="nofollow" class="external text" href="https://doi.org/10.1029%2F2006PA001349">"Tropical warming and intermittent cooling during the Cenomanian/Turonian oceanic anoxic event 2: Sea surface temperature records from the equatorial Atlantic"</a>. <i><a href="/wiki/Paleoceanography_and_Paleoclimatology" title="Paleoceanography and Paleoclimatology">Paleoceanography and Paleoclimatology</a></i>. <b>22</b> (1): <span class="nowrap">1–</span>14. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2007PalOc..22.1219F">2007PalOc..22.1219F</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://doi.org/10.1029%2F2006PA001349">10.1029/2006PA001349</a></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Paleoceanography+and+Paleoclimatology&rft.atitle=Tropical+warming+and+intermittent+cooling+during+the+Cenomanian%2FTuronian+oceanic+anoxic+event+2%3A+Sea+surface+temperature+records+from+the+equatorial+Atlantic&rft.volume=22&rft.issue=1&rft.pages=%3Cspan+class%3D%22nowrap%22%3E1-%3C%2Fspan%3E14&rft.date=2007-03-14&rft_id=info%3Adoi%2F10.1029%2F2006PA001349&rft_id=info%3Abibcode%2F2007PalOc..22.1219F&rft.aulast=Forster&rft.aufirst=Astrid&rft.au=Schouten%2C+Stephan&rft.au=Moriya%2C+Kazuyoshi&rft.au=Wilson%2C+Paul+A.&rft.au=Sinninghe+Damst%C3%A9%2C+Jaap+S.&rft_id=https%3A%2F%2Fdoi.org%2F10.1029%252F2006PA001349&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-51"><span class="mw-cite-backlink"><b><a href="#cite_ref-51">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFO'BrienRobinsonPancostSinninghe_Damsté2017" class="citation journal cs1">O'Brien, Charlotte L.; Robinson, Stuart A.; Pancost, Richard D.; Sinninghe Damsté, Jaap S.; Schouten, Stefan; Lunt, Daniel J.; Alsenz, Heiko; Bornemann, André; Bottini, Cinzia; Brassell, Simon C.; Farnsworth, Alexander; Forster, Astrid; Huber, Brian T.; Inglis, Gordon N.; Jenkyns, Hugh C.; Linnert, Christan; Littler, Kate; Markwick, Paul; McAnena, Alison; Mutterlose, Jörg; Naafs, B. David A.; Püttmann, Wilhelm; Sluijs, Appy; Van Helmond, Niels A.G.M.; Wellekoop, Johan; Wagner, Thomas; Wrobel, Neil E. (September 2017). <a rel="nofollow" class="external text" href="https://doi.org/10.1016%2Fj.earscirev.2017.07.012">"Cretaceous sea-surface temperature evolution: Constraints from TEX86 and planktonic foraminiferal oxygen isotopes"</a>. <i><a href="/wiki/Earth-Science_Reviews" title="Earth-Science Reviews">Earth-Science Reviews</a></i>. <b>172</b>: <span class="nowrap">224–</span>247. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2017ESRv..172..224O">2017ESRv..172..224O</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://doi.org/10.1016%2Fj.earscirev.2017.07.012">10.1016/j.earscirev.2017.07.012</a></span>. <a href="/wiki/S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:55405082">55405082</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Earth-Science+Reviews&rft.atitle=Cretaceous+sea-surface+temperature+evolution%3A+Constraints+from+TEX86+and+planktonic+foraminiferal+oxygen+isotopes&rft.volume=172&rft.pages=%3Cspan+class%3D%22nowrap%22%3E224-%3C%2Fspan%3E247&rft.date=2017-09&rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A55405082%23id-name%3DS2CID&rft_id=info%3Adoi%2F10.1016%2Fj.earscirev.2017.07.012&rft_id=info%3Abibcode%2F2017ESRv..172..224O&rft.aulast=O%27Brien&rft.aufirst=Charlotte+L.&rft.au=Robinson%2C+Stuart+A.&rft.au=Pancost%2C+Richard+D.&rft.au=Sinninghe+Damst%C3%A9%2C+Jaap+S.&rft.au=Schouten%2C+Stefan&rft.au=Lunt%2C+Daniel+J.&rft.au=Alsenz%2C+Heiko&rft.au=Bornemann%2C+Andr%C3%A9&rft.au=Bottini%2C+Cinzia&rft.au=Brassell%2C+Simon+C.&rft.au=Farnsworth%2C+Alexander&rft.au=Forster%2C+Astrid&rft.au=Huber%2C+Brian+T.&rft.au=Inglis%2C+Gordon+N.&rft.au=Jenkyns%2C+Hugh+C.&rft.au=Linnert%2C+Christan&rft.au=Littler%2C+Kate&rft.au=Markwick%2C+Paul&rft.au=McAnena%2C+Alison&rft.au=Mutterlose%2C+J%C3%B6rg&rft.au=Naafs%2C+B.+David+A.&rft.au=P%C3%BCttmann%2C+Wilhelm&rft.au=Sluijs%2C+Appy&rft.au=Van+Helmond%2C+Niels+A.G.M.&rft.au=Wellekoop%2C+Johan&rft.au=Wagner%2C+Thomas&rft.au=Wrobel%2C+Neil+E.&rft_id=https%3A%2F%2Fdoi.org%2F10.1016%252Fj.earscirev.2017.07.012&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-52"><span class="mw-cite-backlink"><b><a href="#cite_ref-52">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFPüttmannLinnertDöllingMutterlose2018" class="citation journal cs1">Püttmann, Tobias; Linnert, Christian; Dölling, Bettina; Mutterlose, Jörg (1 July 2018). <a rel="nofollow" class="external text" href="https://www.sciencedirect.com/science/article/pii/S0195667117301015">"Deciphering Late Cretaceous (Cenomanian to Campanian) coastline dynamics in the southwestern Münsterland (northwest Germany) by using calcareous nannofossils: Eustasy vs local tectonics"</a>. <i><a href="/wiki/Cretaceous_Research" title="Cretaceous Research">Cretaceous Research</a></i>. Advances in Cretaceous palaeontology and stratigraphy – Christopher John Wood Memorial Volume. <b>87</b>: <span class="nowrap">174–</span>184. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2018CrRes..87..174P">2018CrRes..87..174P</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1016%2Fj.cretres.2017.07.005">10.1016/j.cretres.2017.07.005</a>. <a href="/wiki/ISSN_(identifier)" class="mw-redirect" title="ISSN (identifier)">ISSN</a> <a rel="nofollow" class="external text" href="https://search.worldcat.org/issn/0195-6671">0195-6671</a>. <a href="/wiki/S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:134356485">134356485</a><span class="reference-accessdate">. Retrieved <span class="nowrap">24 November</span> 2023</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Cretaceous+Research&rft.atitle=Deciphering+Late+Cretaceous+%28Cenomanian+to+Campanian%29+coastline+dynamics+in+the+southwestern+M%C3%BCnsterland+%28northwest+Germany%29+by+using+calcareous+nannofossils%3A+Eustasy+vs+local+tectonics&rft.volume=87&rft.pages=%3Cspan+class%3D%22nowrap%22%3E174-%3C%2Fspan%3E184&rft.date=2018-07-01&rft_id=info%3Adoi%2F10.1016%2Fj.cretres.2017.07.005&rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A134356485%23id-name%3DS2CID&rft.issn=0195-6671&rft_id=info%3Abibcode%2F2018CrRes..87..174P&rft.aulast=P%C3%BCttmann&rft.aufirst=Tobias&rft.au=Linnert%2C+Christian&rft.au=D%C3%B6lling%2C+Bettina&rft.au=Mutterlose%2C+J%C3%B6rg&rft_id=https%3A%2F%2Fwww.sciencedirect.com%2Fscience%2Farticle%2Fpii%2FS0195667117301015&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-53"><span class="mw-cite-backlink"><b><a href="#cite_ref-53">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFBiceNorris2002" class="citation journal cs1">Bice, Karen L.; Norris, Richard D. (24 December 2002). <a rel="nofollow" class="external text" href="https://doi.org/10.1029%2F2002PA000778">"Possible atmospheric CO2 extremes of the Middle Cretaceous (late Albian–Turonian)"</a>. <i><a href="/wiki/Paleoceanography_and_Paleoclimatology" title="Paleoceanography and Paleoclimatology">Paleoceanography and Paleoclimatology</a></i>. <b>17</b> (4): <span class="nowrap">22-1 –</span> <span class="nowrap">22-17</span>. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2002PalOc..17.1070B">2002PalOc..17.1070B</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://doi.org/10.1029%2F2002PA000778">10.1029/2002PA000778</a></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Paleoceanography+and+Paleoclimatology&rft.atitle=Possible+atmospheric+CO2+extremes+of+the+Middle+Cretaceous+%28late+Albian%E2%80%93Turonian%29&rft.volume=17&rft.issue=4&rft.pages=%3Cspan+class%3D%22nowrap%22%3E22-1+-%3C%2Fspan%3E+%3Cspan+class%3D%22nowrap%22%3E22-17%3C%2Fspan%3E&rft.date=2002-12-24&rft_id=info%3Adoi%2F10.1029%2F2002PA000778&rft_id=info%3Abibcode%2F2002PalOc..17.1070B&rft.aulast=Bice&rft.aufirst=Karen+L.&rft.au=Norris%2C+Richard+D.&rft_id=https%3A%2F%2Fdoi.org%2F10.1029%252F2002PA000778&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-54"><span class="mw-cite-backlink"><b><a href="#cite_ref-54">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFWangHuangSunQuan2014" class="citation journal cs1">Wang, Yongdong; Huang, Chengmin; Sun, Bainian; Quan, Cheng; Wu, Jingyu; Lin, Zhicheng (February 2014). <a rel="nofollow" class="external text" href="https://www.sciencedirect.com/science/article/abs/pii/S0012825213001888">"Paleo-CO2 variation trends and the Cretaceous greenhouse climate"</a>. <i><a href="/wiki/Earth-Science_Reviews" title="Earth-Science Reviews">Earth-Science Reviews</a></i>. <b>129</b>: <span class="nowrap">136–</span>147. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2014ESRv..129..136W">2014ESRv..129..136W</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1016%2Fj.earscirev.2013.11.001">10.1016/j.earscirev.2013.11.001</a><span class="reference-accessdate">. Retrieved <span class="nowrap">5 April</span> 2023</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Earth-Science+Reviews&rft.atitle=Paleo-CO2+variation+trends+and+the+Cretaceous+greenhouse+climate&rft.volume=129&rft.pages=%3Cspan+class%3D%22nowrap%22%3E136-%3C%2Fspan%3E147&rft.date=2014-02&rft_id=info%3Adoi%2F10.1016%2Fj.earscirev.2013.11.001&rft_id=info%3Abibcode%2F2014ESRv..129..136W&rft.aulast=Wang&rft.aufirst=Yongdong&rft.au=Huang%2C+Chengmin&rft.au=Sun%2C+Bainian&rft.au=Quan%2C+Cheng&rft.au=Wu%2C+Jingyu&rft.au=Lin%2C+Zhicheng&rft_id=https%3A%2F%2Fwww.sciencedirect.com%2Fscience%2Farticle%2Fabs%2Fpii%2FS0012825213001888&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-55"><span class="mw-cite-backlink"><b><a href="#cite_ref-55">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFLaugiéDonnadieuLadantGreen2020" class="citation journal cs1">Laugié, Marie; Donnadieu, Yannick; Ladant, Jean-Baptiste; Green, J. A. Mattias; Bopp, Laurent; Raisson, François (5 June 2020). <a rel="nofollow" class="external text" href="https://cp.copernicus.org/articles/16/953/2020/">"Stripping back the modern to reveal the Cenomanian–Turonian climate and temperature gradient underneath"</a>. <i><a href="/wiki/Climate_of_the_Past" title="Climate of the Past">Climate of the Past</a></i>. <b>16</b> (3): <span class="nowrap">953–</span>971. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2020CliPa..16..953L">2020CliPa..16..953L</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://doi.org/10.5194%2Fcp-16-953-2020">10.5194/cp-16-953-2020</a></span>. <a href="/wiki/S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:219918773">219918773</a><span class="reference-accessdate">. Retrieved <span class="nowrap">19 March</span> 2023</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Climate+of+the+Past&rft.atitle=Stripping+back+the+modern+to+reveal+the+Cenomanian%E2%80%93Turonian+climate+and+temperature+gradient+underneath&rft.volume=16&rft.issue=3&rft.pages=%3Cspan+class%3D%22nowrap%22%3E953-%3C%2Fspan%3E971&rft.date=2020-06-05&rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A219918773%23id-name%3DS2CID&rft_id=info%3Adoi%2F10.5194%2Fcp-16-953-2020&rft_id=info%3Abibcode%2F2020CliPa..16..953L&rft.aulast=Laugi%C3%A9&rft.aufirst=Marie&rft.au=Donnadieu%2C+Yannick&rft.au=Ladant%2C+Jean-Baptiste&rft.au=Green%2C+J.+A.+Mattias&rft.au=Bopp%2C+Laurent&rft.au=Raisson%2C+Fran%C3%A7ois&rft_id=https%3A%2F%2Fcp.copernicus.org%2Farticles%2F16%2F953%2F2020%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-ThermalEvolutionCretaceousTethyanWaters-56"><span class="mw-cite-backlink"><b><a href="#cite_ref-ThermalEvolutionCretaceousTethyanWaters_56-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFPucéatLécuyerSheppardDromart2003" class="citation journal cs1">Pucéat, Emmanuelle; Lécuyer, Christophe; Sheppard, Simon M. F.; Dromart, Gilles; Reboulet, Stéphane; Grandjean, Patricia (3 May 2003). <a rel="nofollow" class="external text" href="https://doi.org/10.1029%2F2002PA000823">"Thermal evolution of Cretaceous Tethyan marine waters inferred from oxygen isotope composition of fish tooth enamels"</a>. <i><a href="/wiki/Paleoceanography_and_Paleoclimatology" title="Paleoceanography and Paleoclimatology">Paleoceanography and Paleoclimatology</a></i>. <b>18</b> (2): 1029. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2003PalOc..18.1029P">2003PalOc..18.1029P</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://doi.org/10.1029%2F2002PA000823">10.1029/2002PA000823</a></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Paleoceanography+and+Paleoclimatology&rft.atitle=Thermal+evolution+of+Cretaceous+Tethyan+marine+waters+inferred+from+oxygen+isotope+composition+of+fish+tooth+enamels&rft.volume=18&rft.issue=2&rft.pages=1029&rft.date=2003-05-03&rft_id=info%3Adoi%2F10.1029%2F2002PA000823&rft_id=info%3Abibcode%2F2003PalOc..18.1029P&rft.aulast=Puc%C3%A9at&rft.aufirst=Emmanuelle&rft.au=L%C3%A9cuyer%2C+Christophe&rft.au=Sheppard%2C+Simon+M.+F.&rft.au=Dromart%2C+Gilles&rft.au=Reboulet%2C+St%C3%A9phane&rft.au=Grandjean%2C+Patricia&rft_id=https%3A%2F%2Fdoi.org%2F10.1029%252F2002PA000823&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-57"><span class="mw-cite-backlink"><b><a href="#cite_ref-57">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFNorrisWilson1998" class="citation journal cs1">Norris, Richard D.; Wilson, Paul A. (1 September 1998). <a rel="nofollow" class="external text" href="https://pubs.geoscienceworld.org/gsa/geology/article-abstract/26/9/823/206981/Low-latitude-sea-surface-temperatures-for-the-mid">"Low-latitude sea-surface temperatures for the mid-Cretaceous and the evolution of planktic foraminifera"</a>. <i><a href="/wiki/Geology_(journal)" title="Geology (journal)">Geology</a></i>. <b>26</b> (9): <span class="nowrap">823–</span>826. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/1998Geo....26..823N">1998Geo....26..823N</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1130%2F0091-7613%281998%29026%3C0823%3ALLSSTF%3E2.3.CO%3B2">10.1130/0091-7613(1998)026<0823:LLSSTF>2.3.CO;2</a><span class="reference-accessdate">. Retrieved <span class="nowrap">5 April</span> 2023</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Geology&rft.atitle=Low-latitude+sea-surface+temperatures+for+the+mid-Cretaceous+and+the+evolution+of+planktic+foraminifera&rft.volume=26&rft.issue=9&rft.pages=%3Cspan+class%3D%22nowrap%22%3E823-%3C%2Fspan%3E826&rft.date=1998-09-01&rft_id=info%3Adoi%2F10.1130%2F0091-7613%281998%29026%3C0823%3ALLSSTF%3E2.3.CO%3B2&rft_id=info%3Abibcode%2F1998Geo....26..823N&rft.aulast=Norris&rft.aufirst=Richard+D.&rft.au=Wilson%2C+Paul+A.&rft_id=https%3A%2F%2Fpubs.geoscienceworld.org%2Fgsa%2Fgeology%2Farticle-abstract%2F26%2F9%2F823%2F206981%2FLow-latitude-sea-surface-temperatures-for-the-mid&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-58"><span class="mw-cite-backlink"><b><a href="#cite_ref-58">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFHongYiShinn2020" class="citation journal cs1">Hong, Sung Kyung; Yi, Sangheon; Shinn, Young Jae (1 July 2020). <a rel="nofollow" class="external text" href="https://www.sciencedirect.com/science/article/pii/S1367912020301449">"Middle Albian climate fluctuation recorded in the carbon isotope composition of terrestrial plant matter"</a>. <i><a href="/wiki/Journal_of_Asian_Earth_Sciences" title="Journal of Asian Earth Sciences">Journal of Asian Earth Sciences</a></i>. <b>196</b>: 104363. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2020JAESc.19604363H">2020JAESc.19604363H</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1016%2Fj.jseaes.2020.104363">10.1016/j.jseaes.2020.104363</a>. <a href="/wiki/ISSN_(identifier)" class="mw-redirect" title="ISSN (identifier)">ISSN</a> <a rel="nofollow" class="external text" href="https://search.worldcat.org/issn/1367-9120">1367-9120</a>. <a href="/wiki/S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:216375103">216375103</a><span class="reference-accessdate">. Retrieved <span class="nowrap">19 November</span> 2023</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Journal+of+Asian+Earth+Sciences&rft.atitle=Middle+Albian+climate+fluctuation+recorded+in+the+carbon+isotope+composition+of+terrestrial+plant+matter&rft.volume=196&rft.pages=104363&rft.date=2020-07-01&rft_id=info%3Adoi%2F10.1016%2Fj.jseaes.2020.104363&rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A216375103%23id-name%3DS2CID&rft.issn=1367-9120&rft_id=info%3Abibcode%2F2020JAESc.19604363H&rft.aulast=Hong&rft.aufirst=Sung+Kyung&rft.au=Yi%2C+Sangheon&rft.au=Shinn%2C+Young+Jae&rft_id=https%3A%2F%2Fwww.sciencedirect.com%2Fscience%2Farticle%2Fpii%2FS1367912020301449&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-59"><span class="mw-cite-backlink"><b><a href="#cite_ref-59">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFArensHarris2015" class="citation journal cs1">Arens, Nan Crystal; Harris, Elisha B. (March 2015). <a rel="nofollow" class="external text" href="https://linkinghub.elsevier.com/retrieve/pii/S0195667114001943">"Paleoclimatic reconstruction for the Albian–Cenomanian transition based on a dominantly angiosperm flora from the Cedar Mountain Formation, Utah, USA"</a>. <i><a href="/wiki/Cretaceous_Research" title="Cretaceous Research">Cretaceous Research</a></i>. <b>53</b>: <span class="nowrap">140–</span>152. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1016%2Fj.cretres.2014.11.004">10.1016/j.cretres.2014.11.004</a><span class="reference-accessdate">. Retrieved <span class="nowrap">18 July</span> 2024</span> – via Elsevier Science Direct.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Cretaceous+Research&rft.atitle=Paleoclimatic+reconstruction+for+the+Albian%E2%80%93Cenomanian+transition+based+on+a+dominantly+angiosperm+flora+from+the+Cedar+Mountain+Formation%2C+Utah%2C+USA&rft.volume=53&rft.pages=%3Cspan+class%3D%22nowrap%22%3E140-%3C%2Fspan%3E152&rft.date=2015-03&rft_id=info%3Adoi%2F10.1016%2Fj.cretres.2014.11.004&rft.aulast=Arens&rft.aufirst=Nan+Crystal&rft.au=Harris%2C+Elisha+B.&rft_id=https%3A%2F%2Flinkinghub.elsevier.com%2Fretrieve%2Fpii%2FS0195667114001943&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-60"><span class="mw-cite-backlink"><b><a href="#cite_ref-60">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFWilsonNorrisCooper2002" class="citation journal cs1">Wilson, Paul A.; Norris, Richard D.; Cooper, Matthew J. (1 July 2002). <a rel="nofollow" class="external text" href="https://pubs.geoscienceworld.org/gsa/geology/article-abstract/30/7/607/191749/Testing-the-Cretaceous-greenhouse-hypothesis-using?redirectedFrom=fulltext">"Testing the Cretaceous greenhouse hypothesis using glassy foraminiferal calcite from the core of the Turonian tropics on Demerara Rise"</a>. <i><a href="/wiki/Geology_(journal)" title="Geology (journal)">Geology</a></i>. <b>30</b> (7): <span class="nowrap">607–</span>610. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2002Geo....30..607W">2002Geo....30..607W</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1130%2F0091-7613%282002%29030%3C0607%3ATTCGHU%3E2.0.CO%3B2">10.1130/0091-7613(2002)030<0607:TTCGHU>2.0.CO;2</a><span class="reference-accessdate">. Retrieved <span class="nowrap">5 April</span> 2023</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Geology&rft.atitle=Testing+the+Cretaceous+greenhouse+hypothesis+using+glassy+foraminiferal+calcite+from+the+core+of+the+Turonian+tropics+on+Demerara+Rise&rft.volume=30&rft.issue=7&rft.pages=%3Cspan+class%3D%22nowrap%22%3E607-%3C%2Fspan%3E610&rft.date=2002-07-01&rft_id=info%3Adoi%2F10.1130%2F0091-7613%282002%29030%3C0607%3ATTCGHU%3E2.0.CO%3B2&rft_id=info%3Abibcode%2F2002Geo....30..607W&rft.aulast=Wilson&rft.aufirst=Paul+A.&rft.au=Norris%2C+Richard+D.&rft.au=Cooper%2C+Matthew+J.&rft_id=https%3A%2F%2Fpubs.geoscienceworld.org%2Fgsa%2Fgeology%2Farticle-abstract%2F30%2F7%2F607%2F191749%2FTesting-the-Cretaceous-greenhouse-hypothesis-using%3FredirectedFrom%3Dfulltext&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-61"><span class="mw-cite-backlink"><b><a href="#cite_ref-61">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFBiceBirgelMeyersDahl2006" class="citation journal cs1">Bice, Karen L.; Birgel, Daniel; Meyers, Philip A.; Dahl, Kristina A.; Hinrichs, Kai-Uwe; Norris, Richard D. (8 April 2006). <a rel="nofollow" class="external text" href="https://agupubs.onlinelibrary.wiley.com/doi/full/10.1029/2005PA001203">"A multiple proxy and model study of Cretaceous upper ocean temperatures and atmospheric CO2 concentrations"</a>. <i><a href="/wiki/Paleoceanography_and_Paleoclimatology" title="Paleoceanography and Paleoclimatology">Paleoceanography and Paleoclimatology</a></i>. <b>21</b> (2): <span class="nowrap">1–</span>17. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2006PalOc..21.2002B">2006PalOc..21.2002B</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1029%2F2005PA001203">10.1029/2005PA001203</a>. <a href="/wiki/Hdl_(identifier)" class="mw-redirect" title="Hdl (identifier)">hdl</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://hdl.handle.net/2027.42%2F95054">2027.42/95054</a></span><span class="reference-accessdate">. Retrieved <span class="nowrap">5 April</span> 2023</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Paleoceanography+and+Paleoclimatology&rft.atitle=A+multiple+proxy+and+model+study+of+Cretaceous+upper+ocean+temperatures+and+atmospheric+CO2+concentrations&rft.volume=21&rft.issue=2&rft.pages=%3Cspan+class%3D%22nowrap%22%3E1-%3C%2Fspan%3E17&rft.date=2006-04-08&rft_id=info%3Ahdl%2F2027.42%2F95054&rft_id=info%3Adoi%2F10.1029%2F2005PA001203&rft_id=info%3Abibcode%2F2006PalOc..21.2002B&rft.aulast=Bice&rft.aufirst=Karen+L.&rft.au=Birgel%2C+Daniel&rft.au=Meyers%2C+Philip+A.&rft.au=Dahl%2C+Kristina+A.&rft.au=Hinrichs%2C+Kai-Uwe&rft.au=Norris%2C+Richard+D.&rft_id=https%3A%2F%2Fagupubs.onlinelibrary.wiley.com%2Fdoi%2Ffull%2F10.1029%2F2005PA001203&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-62"><span class="mw-cite-backlink"><b><a href="#cite_ref-62">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFNorrisBiceMagnoWilson2002" class="citation journal cs1">Norris, Richard D.; Bice, Karen L.; Magno, Elizabeth A.; Wilson, Paul A. (1 April 2002). <a rel="nofollow" class="external text" href="https://pubs.geoscienceworld.org/gsa/geology/article-abstract/30/4/299/192373/Jiggling-the-tropical-thermostat-in-the-Cretaceous">"Jiggling the tropical thermostat in the Cretaceous hothouse"</a>. <i><a href="/wiki/Geology_(journal)" title="Geology (journal)">Geology</a></i>. <b>30</b> (4): <span class="nowrap">299–</span>302. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2002Geo....30..299N">2002Geo....30..299N</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1130%2F0091-7613%282002%29030%3C0299%3AJTTTIT%3E2.0.CO%3B2">10.1130/0091-7613(2002)030<0299:JTTTIT>2.0.CO;2</a><span class="reference-accessdate">. Retrieved <span class="nowrap">5 April</span> 2023</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Geology&rft.atitle=Jiggling+the+tropical+thermostat+in+the+Cretaceous+hothouse&rft.volume=30&rft.issue=4&rft.pages=%3Cspan+class%3D%22nowrap%22%3E299-%3C%2Fspan%3E302&rft.date=2002-04-01&rft_id=info%3Adoi%2F10.1130%2F0091-7613%282002%29030%3C0299%3AJTTTIT%3E2.0.CO%3B2&rft_id=info%3Abibcode%2F2002Geo....30..299N&rft.aulast=Norris&rft.aufirst=Richard+D.&rft.au=Bice%2C+Karen+L.&rft.au=Magno%2C+Elizabeth+A.&rft.au=Wilson%2C+Paul+A.&rft_id=https%3A%2F%2Fpubs.geoscienceworld.org%2Fgsa%2Fgeology%2Farticle-abstract%2F30%2F4%2F299%2F192373%2FJiggling-the-tropical-thermostat-in-the-Cretaceous&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-FOOTNOTESkinnerPorter1995557-63"><span class="mw-cite-backlink"><b><a href="#cite_ref-FOOTNOTESkinnerPorter1995557_63-0">^</a></b></span> <span class="reference-text"><a href="#CITEREFSkinnerPorter1995">Skinner & Porter 1995</a>, p. 557.</span> </li> <li id="cite_note-FishToothOxygen-64"><span class="mw-cite-backlink">^ <a href="#cite_ref-FishToothOxygen_64-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-FishToothOxygen_64-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-FishToothOxygen_64-2"><sup><i><b>c</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFPucéatLécuyerDonnadieuNaveau2007" class="citation journal cs1">Pucéat, Emmanuelle; Lécuyer, Christophe; Donnadieu, Yannick; Naveau, Philippe; Cappetta, Henri; Ramstein, Gilles; Huber, Brian T.; Kriwet, Juergen (1 February 2007). <a rel="nofollow" class="external text" href="https://pubs.geoscienceworld.org/gsa/geology/article-abstract/35/2/107/129762/Fish-tooth-18O-revising-Late-Cretaceous-meridional">"Fish tooth δ18O revising Late Cretaceous meridional upper ocean water temperature gradients"</a>. <i><a href="/wiki/Geology_(journal)" title="Geology (journal)">Geology</a></i>. <b>35</b> (2): <span class="nowrap">107–</span>110. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2007Geo....35..107P">2007Geo....35..107P</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1130%2FG23103A.1">10.1130/G23103A.1</a><span class="reference-accessdate">. Retrieved <span class="nowrap">19 March</span> 2023</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Geology&rft.atitle=Fish+tooth+%CE%B418O+revising+Late+Cretaceous+meridional+upper+ocean+water+temperature+gradients&rft.volume=35&rft.issue=2&rft.pages=%3Cspan+class%3D%22nowrap%22%3E107-%3C%2Fspan%3E110&rft.date=2007-02-01&rft_id=info%3Adoi%2F10.1130%2FG23103A.1&rft_id=info%3Abibcode%2F2007Geo....35..107P&rft.aulast=Puc%C3%A9at&rft.aufirst=Emmanuelle&rft.au=L%C3%A9cuyer%2C+Christophe&rft.au=Donnadieu%2C+Yannick&rft.au=Naveau%2C+Philippe&rft.au=Cappetta%2C+Henri&rft.au=Ramstein%2C+Gilles&rft.au=Huber%2C+Brian+T.&rft.au=Kriwet%2C+Juergen&rft_id=https%3A%2F%2Fpubs.geoscienceworld.org%2Fgsa%2Fgeology%2Farticle-abstract%2F35%2F2%2F107%2F129762%2FFish-tooth-18O-revising-Late-Cretaceous-meridional&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-LateCretaceousArcticVertebrates-65"><span class="mw-cite-backlink">^ <a href="#cite_ref-LateCretaceousArcticVertebrates_65-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-LateCretaceousArcticVertebrates_65-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFTardunoBrinkmanRenneCottrell1998" class="citation journal cs1">Tarduno, J. A.; Brinkman, D. B.; Renne, P. R.; Cottrell, R. D.; Scher, H.; Castillo, P. (18 December 1998). <a rel="nofollow" class="external text" href="https://www.science.org/doi/10.1126/science.282.5397.2241">"Evidence for Extreme Climatic Warmth from Late Cretaceous Arctic Vertebrates"</a>. <i><a href="/wiki/Science_(journal)" title="Science (journal)">Science</a></i>. <b>282</b> (5397): <span class="nowrap">2241–</span>2243. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/1998Sci...282.2241T">1998Sci...282.2241T</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1126%2Fscience.282.5397.2241">10.1126/science.282.5397.2241</a>. <a href="/wiki/PMID_(identifier)" class="mw-redirect" title="PMID (identifier)">PMID</a> <a rel="nofollow" class="external text" href="https://pubmed.ncbi.nlm.nih.gov/9856943">9856943</a><span class="reference-accessdate">. Retrieved <span class="nowrap">24 July</span> 2023</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Science&rft.atitle=Evidence+for+Extreme+Climatic+Warmth+from+Late+Cretaceous+Arctic+Vertebrates&rft.volume=282&rft.issue=5397&rft.pages=%3Cspan+class%3D%22nowrap%22%3E2241-%3C%2Fspan%3E2243&rft.date=1998-12-18&rft_id=info%3Apmid%2F9856943&rft_id=info%3Adoi%2F10.1126%2Fscience.282.5397.2241&rft_id=info%3Abibcode%2F1998Sci...282.2241T&rft.aulast=Tarduno&rft.aufirst=J.+A.&rft.au=Brinkman%2C+D.+B.&rft.au=Renne%2C+P.+R.&rft.au=Cottrell%2C+R.+D.&rft.au=Scher%2C+H.&rft.au=Castillo%2C+P.&rft_id=https%3A%2F%2Fwww.science.org%2Fdoi%2F10.1126%2Fscience.282.5397.2241&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-66"><span class="mw-cite-backlink"><b><a href="#cite_ref-66">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFPetrizzoMacLeodWatkinsWolfgring2021" class="citation journal cs1">Petrizzo, Maria Rose; MacLeod, Kenneth G.; Watkins, David K.; Wolfgring, Erik; Huber, Brian T. (27 December 2021). <a rel="nofollow" class="external text" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9303530">"Late Cretaceous Paleoceanographic Evolution and the Onset of Cooling in the Santonian at Southern High Latitudes (IODP Site U1513, SE Indian Ocean)"</a>. <i><a href="/wiki/Paleoceanography_and_Paleoclimatology" title="Paleoceanography and Paleoclimatology">Paleoceanography and Paleoclimatology</a></i>. <b>37</b> (1): e2021PA004353. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1029%2F2021PA004353">10.1029/2021PA004353</a>. <a href="/wiki/PMC_(identifier)" class="mw-redirect" title="PMC (identifier)">PMC</a> <span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9303530">9303530</a></span>. <a href="/wiki/PMID_(identifier)" class="mw-redirect" title="PMID (identifier)">PMID</a> <a rel="nofollow" class="external text" href="https://pubmed.ncbi.nlm.nih.gov/35910494">35910494</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Paleoceanography+and+Paleoclimatology&rft.atitle=Late+Cretaceous+Paleoceanographic+Evolution+and+the+Onset+of+Cooling+in+the+Santonian+at+Southern+High+Latitudes+%28IODP+Site+U1513%2C+SE+Indian+Ocean%29&rft.volume=37&rft.issue=1&rft.pages=e2021PA004353&rft.date=2021-12-27&rft_id=https%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fpmc%2Farticles%2FPMC9303530%23id-name%3DPMC&rft_id=info%3Apmid%2F35910494&rft_id=info%3Adoi%2F10.1029%2F2021PA004353&rft.aulast=Petrizzo&rft.aufirst=Maria+Rose&rft.au=MacLeod%2C+Kenneth+G.&rft.au=Watkins%2C+David+K.&rft.au=Wolfgring%2C+Erik&rft.au=Huber%2C+Brian+T.&rft_id=https%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fpmc%2Farticles%2FPMC9303530&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-67"><span class="mw-cite-backlink"><b><a href="#cite_ref-67">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFLinnertRobinsonLeesBown2014" class="citation journal cs1">Linnert, Christian; Robinson, Stuart A.; Lees, Jackie A.; Bown, Paul R.; Pérez-Rodríguez, Irene; Petrizzo, Maria Rose; Falzoni, Francesca; Littler, Kate; Arz, José Antonio; Russell, Ernest E. (17 June 2014). <a rel="nofollow" class="external text" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4082635">"Evidence for global cooling in the Late Cretaceous"</a>. <i><a href="/wiki/Nature_Communications" title="Nature Communications">Nature Communications</a></i>. <b>5</b>: 4194. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2014NatCo...5.4194L">2014NatCo...5.4194L</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1038%2Fncomms5194">10.1038/ncomms5194</a>. <a href="/wiki/PMC_(identifier)" class="mw-redirect" title="PMC (identifier)">PMC</a> <span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4082635">4082635</a></span>. <a href="/wiki/PMID_(identifier)" class="mw-redirect" title="PMID (identifier)">PMID</a> <a rel="nofollow" class="external text" href="https://pubmed.ncbi.nlm.nih.gov/24937202">24937202</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Nature+Communications&rft.atitle=Evidence+for+global+cooling+in+the+Late+Cretaceous&rft.volume=5&rft.pages=4194&rft.date=2014-06-17&rft_id=https%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fpmc%2Farticles%2FPMC4082635%23id-name%3DPMC&rft_id=info%3Apmid%2F24937202&rft_id=info%3Adoi%2F10.1038%2Fncomms5194&rft_id=info%3Abibcode%2F2014NatCo...5.4194L&rft.aulast=Linnert&rft.aufirst=Christian&rft.au=Robinson%2C+Stuart+A.&rft.au=Lees%2C+Jackie+A.&rft.au=Bown%2C+Paul+R.&rft.au=P%C3%A9rez-Rodr%C3%ADguez%2C+Irene&rft.au=Petrizzo%2C+Maria+Rose&rft.au=Falzoni%2C+Francesca&rft.au=Littler%2C+Kate&rft.au=Arz%2C+Jos%C3%A9+Antonio&rft.au=Russell%2C+Ernest+E.&rft_id=https%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fpmc%2Farticles%2FPMC4082635&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-68"><span class="mw-cite-backlink"><b><a href="#cite_ref-68">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFO'ConnorRobinsonNaafsJenkyns2019" class="citation journal cs1">O'Connor, Lauren K.; Robinson, Stuart A.; Naafs, B. David A.; Jenkyns, Hugh C.; Henson, Sam; Clarke, Madeleine; Pancost, Richard D. (27 February 2019). <a rel="nofollow" class="external text" href="https://doi.org/10.1029%2F2018PA003546">"Late Cretaceous Temperature Evolution of the Southern High Latitudes: A TEX86 Perspective"</a>. <i><a href="/wiki/Paleoceanography_and_Paleoclimatology" title="Paleoceanography and Paleoclimatology">Paleoceanography and Paleoclimatology</a></i>. <b>34</b> (4): <span class="nowrap">436–</span>454. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2019PaPa...34..436O">2019PaPa...34..436O</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://doi.org/10.1029%2F2018PA003546">10.1029/2018PA003546</a></span>. <a href="/wiki/Hdl_(identifier)" class="mw-redirect" title="Hdl (identifier)">hdl</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://hdl.handle.net/1983%2F9c306756-d31c-4cda-b68e-4ba6f0bf9d44">1983/9c306756-d31c-4cda-b68e-4ba6f0bf9d44</a></span>. <a href="/wiki/S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:134095694">134095694</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Paleoceanography+and+Paleoclimatology&rft.atitle=Late+Cretaceous+Temperature+Evolution+of+the+Southern+High+Latitudes%3A+A+TEX86+Perspective&rft.volume=34&rft.issue=4&rft.pages=%3Cspan+class%3D%22nowrap%22%3E436-%3C%2Fspan%3E454&rft.date=2019-02-27&rft_id=info%3Ahdl%2F1983%2F9c306756-d31c-4cda-b68e-4ba6f0bf9d44&rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A134095694%23id-name%3DS2CID&rft_id=info%3Adoi%2F10.1029%2F2018PA003546&rft_id=info%3Abibcode%2F2019PaPa...34..436O&rft.aulast=O%27Connor&rft.aufirst=Lauren+K.&rft.au=Robinson%2C+Stuart+A.&rft.au=Naafs%2C+B.+David+A.&rft.au=Jenkyns%2C+Hugh+C.&rft.au=Henson%2C+Sam&rft.au=Clarke%2C+Madeleine&rft.au=Pancost%2C+Richard+D.&rft_id=https%3A%2F%2Fdoi.org%2F10.1029%252F2018PA003546&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-69"><span class="mw-cite-backlink"><b><a href="#cite_ref-69">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFWangScottWanGraham2013" class="citation journal cs1">Wang, Chengshan; Scott, Robert W.; Wan, Xiaoqiao; Graham, Stephan A.; Huang, Yongjian; Wang, Pujun; Wu, Huaichun; Dean, Walter E.; Zhang, Laiming (November 2013). <a rel="nofollow" class="external text" href="https://www.sciencedirect.com/science/article/abs/pii/S0012825213001499">"Late Cretaceous climate changes recorded in Eastern Asian lacustrine deposits and North American Epieric sea strata"</a>. <i><a href="/wiki/Earth-Science_Reviews" title="Earth-Science Reviews">Earth-Science Reviews</a></i>. <b>126</b>: <span class="nowrap">275–</span>299. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2013ESRv..126..275W">2013ESRv..126..275W</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1016%2Fj.earscirev.2013.08.016">10.1016/j.earscirev.2013.08.016</a><span class="reference-accessdate">. Retrieved <span class="nowrap">19 March</span> 2023</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Earth-Science+Reviews&rft.atitle=Late+Cretaceous+climate+changes+recorded+in+Eastern+Asian+lacustrine+deposits+and+North+American+Epieric+sea+strata&rft.volume=126&rft.pages=%3Cspan+class%3D%22nowrap%22%3E275-%3C%2Fspan%3E299&rft.date=2013-11&rft_id=info%3Adoi%2F10.1016%2Fj.earscirev.2013.08.016&rft_id=info%3Abibcode%2F2013ESRv..126..275W&rft.aulast=Wang&rft.aufirst=Chengshan&rft.au=Scott%2C+Robert+W.&rft.au=Wan%2C+Xiaoqiao&rft.au=Graham%2C+Stephan+A.&rft.au=Huang%2C+Yongjian&rft.au=Wang%2C+Pujun&rft.au=Wu%2C+Huaichun&rft.au=Dean%2C+Walter+E.&rft.au=Zhang%2C+Laiming&rft_id=https%3A%2F%2Fwww.sciencedirect.com%2Fscience%2Farticle%2Fabs%2Fpii%2FS0012825213001499&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-70"><span class="mw-cite-backlink"><b><a href="#cite_ref-70">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFMaHeZhaoPeng2021" class="citation journal cs1">Ma, Mingming; He, Mei; Zhao, Mengting; Peng, Chao; Liu, Xiuming (1 April 2021). <a rel="nofollow" class="external text" href="https://www.sciencedirect.com/science/article/pii/S0921818121000205">"Evolution of atmospheric circulation across the Cretaceous–Paleogene (K–Pg) boundary interval in low-latitude East Asia"</a>. <i><a href="/wiki/Global_and_Planetary_Change" title="Global and Planetary Change">Global and Planetary Change</a></i>. <b>199</b>: 103435. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2021GPC...19903435M">2021GPC...19903435M</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1016%2Fj.gloplacha.2021.103435">10.1016/j.gloplacha.2021.103435</a>. <a href="/wiki/ISSN_(identifier)" class="mw-redirect" title="ISSN (identifier)">ISSN</a> <a rel="nofollow" class="external text" href="https://search.worldcat.org/issn/0921-8181">0921-8181</a>. <a href="/wiki/S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:233573257">233573257</a><span class="reference-accessdate">. Retrieved <span class="nowrap">18 November</span> 2023</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Global+and+Planetary+Change&rft.atitle=Evolution+of+atmospheric+circulation+across+the+Cretaceous%E2%80%93Paleogene+%28K%E2%80%93Pg%29+boundary+interval+in+low-latitude+East+Asia&rft.volume=199&rft.pages=103435&rft.date=2021-04-01&rft_id=info%3Adoi%2F10.1016%2Fj.gloplacha.2021.103435&rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A233573257%23id-name%3DS2CID&rft.issn=0921-8181&rft_id=info%3Abibcode%2F2021GPC...19903435M&rft.aulast=Ma&rft.aufirst=Mingming&rft.au=He%2C+Mei&rft.au=Zhao%2C+Mengting&rft.au=Peng%2C+Chao&rft.au=Liu%2C+Xiuming&rft_id=https%3A%2F%2Fwww.sciencedirect.com%2Fscience%2Farticle%2Fpii%2FS0921818121000205&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-71"><span class="mw-cite-backlink"><b><a href="#cite_ref-71">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFChenZhaoWangHuang2013" class="citation journal cs1">Chen, Junming; Zhao, Ping; Wang, Chengshan; Huang, Yongjian; Cao, Ke (1 September 2013). <a rel="nofollow" class="external text" href="https://doi.org/10.1016%2Fj.palaeo.2012.07.017">"Modeling East Asian climate and impacts of atmospheric CO2 concentration during the Late Cretaceous (66Ma)"</a>. <i><a href="/wiki/Palaeogeography,_Palaeoclimatology,_Palaeoecology" title="Palaeogeography, Palaeoclimatology, Palaeoecology">Palaeogeography, Palaeoclimatology, Palaeoecology</a></i>. Environmental/Climate Change in the Cretaceous Greenhouse World: records from terrestrial scientific drilling of Songliao Basin and adjacent area of China. <b>385</b>: <span class="nowrap">190–</span>201. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2013PPP...385..190C">2013PPP...385..190C</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://doi.org/10.1016%2Fj.palaeo.2012.07.017">10.1016/j.palaeo.2012.07.017</a></span>. <a href="/wiki/ISSN_(identifier)" class="mw-redirect" title="ISSN (identifier)">ISSN</a> <a rel="nofollow" class="external text" href="https://search.worldcat.org/issn/0031-0182">0031-0182</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Palaeogeography%2C+Palaeoclimatology%2C+Palaeoecology&rft.atitle=Modeling+East+Asian+climate+and+impacts+of+atmospheric+CO2+concentration+during+the+Late+Cretaceous+%2866Ma%29&rft.volume=385&rft.pages=%3Cspan+class%3D%22nowrap%22%3E190-%3C%2Fspan%3E201&rft.date=2013-09-01&rft.issn=0031-0182&rft_id=info%3Adoi%2F10.1016%2Fj.palaeo.2012.07.017&rft_id=info%3Abibcode%2F2013PPP...385..190C&rft.aulast=Chen&rft.aufirst=Junming&rft.au=Zhao%2C+Ping&rft.au=Wang%2C+Chengshan&rft.au=Huang%2C+Yongjian&rft.au=Cao%2C+Ke&rft_id=https%3A%2F%2Fdoi.org%2F10.1016%252Fj.palaeo.2012.07.017&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-72"><span class="mw-cite-backlink"><b><a href="#cite_ref-72">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFFrickeForemanSewall2010" class="citation journal cs1">Fricke, Henry C.; Foreman, Brady Z.; Sewall, Jacob O. (15 January 2010). <a rel="nofollow" class="external text" href="https://linkinghub.elsevier.com/retrieve/pii/S0012821X09006177">"Integrated climate model-oxygen isotope evidence for a North American monsoon during the Late Cretaceous"</a>. <i><a href="/wiki/Earth_and_Planetary_Science_Letters" title="Earth and Planetary Science Letters">Earth and Planetary Science Letters</a></i>. <b>289</b> (<span class="nowrap">1–</span>2): <span class="nowrap">11–</span>21. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1016%2Fj.epsl.2009.10.018">10.1016/j.epsl.2009.10.018</a><span class="reference-accessdate">. Retrieved <span class="nowrap">18 July</span> 2024</span> – via Elsevier Science Direct.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Earth+and+Planetary+Science+Letters&rft.atitle=Integrated+climate+model-oxygen+isotope+evidence+for+a+North+American+monsoon+during+the+Late+Cretaceous&rft.volume=289&rft.issue=%3Cspan+class%3D%22nowrap%22%3E1%E2%80%93%3C%2Fspan%3E2&rft.pages=%3Cspan+class%3D%22nowrap%22%3E11-%3C%2Fspan%3E21&rft.date=2010-01-15&rft_id=info%3Adoi%2F10.1016%2Fj.epsl.2009.10.018&rft.aulast=Fricke&rft.aufirst=Henry+C.&rft.au=Foreman%2C+Brady+Z.&rft.au=Sewall%2C+Jacob+O.&rft_id=https%3A%2F%2Flinkinghub.elsevier.com%2Fretrieve%2Fpii%2FS0012821X09006177&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-73"><span class="mw-cite-backlink"><b><a href="#cite_ref-73">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFBarrera1994" class="citation journal cs1">Barrera, Enriqueta (1 October 1994). <a rel="nofollow" class="external text" href="https://pubs.geoscienceworld.org/geology/article/22/10/877-880/188033">"Global environmental changes preceding the Cretaceous-Tertiary boundary: Early-late Maastrichtian transition"</a>. <i><a href="/wiki/Geology_(journal)" title="Geology (journal)">Geology</a></i>. <b>22</b> (10): <span class="nowrap">877–</span>880. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/1994Geo....22..877B">1994Geo....22..877B</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1130%2F0091-7613%281994%29022%3C0877%3AGECPTC%3E2.3.CO%3B2">10.1130/0091-7613(1994)022<0877:GECPTC>2.3.CO;2</a>. <a href="/wiki/ISSN_(identifier)" class="mw-redirect" title="ISSN (identifier)">ISSN</a> <a rel="nofollow" class="external text" href="https://search.worldcat.org/issn/0091-7613">0091-7613</a><span class="reference-accessdate">. Retrieved <span class="nowrap">19 November</span> 2023</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Geology&rft.atitle=Global+environmental+changes+preceding+the+Cretaceous-Tertiary+boundary%3A+Early-late+Maastrichtian+transition&rft.volume=22&rft.issue=10&rft.pages=%3Cspan+class%3D%22nowrap%22%3E877-%3C%2Fspan%3E880&rft.date=1994-10-01&rft.issn=0091-7613&rft_id=info%3Adoi%2F10.1130%2F0091-7613%281994%29022%3C0877%3AGECPTC%3E2.3.CO%3B2&rft_id=info%3Abibcode%2F1994Geo....22..877B&rft.aulast=Barrera&rft.aufirst=Enriqueta&rft_id=https%3A%2F%2Fpubs.geoscienceworld.org%2Fgeology%2Farticle%2F22%2F10%2F877-880%2F188033&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-74"><span class="mw-cite-backlink"><b><a href="#cite_ref-74">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFNordtAtchleyDworkin2003" class="citation magazine cs1">Nordt, Lee; Atchley, Stacy; Dworkin, Steve (December 2003). "Terrestrial Evidence for Two Greenhouse Events in the Latest Cretaceous". <i><a href="/wiki/GSA_Today" class="mw-redirect" title="GSA Today">GSA Today</a></i>. Vol. 13, no. 12. p. 4. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1130%2F1052-5173%282003%29013%3C4%3ATEFTGE%3E2.0.CO%3B2">10.1130/1052-5173(2003)013<4:TEFTGE>2.0.CO;2</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=GSA+Today&rft.atitle=Terrestrial+Evidence+for+Two+Greenhouse+Events+in+the+Latest+Cretaceous&rft.volume=13&rft.issue=12&rft.pages=4&rft.date=2003-12&rft_id=info%3Adoi%2F10.1130%2F1052-5173%282003%29013%3C4%3ATEFTGE%3E2.0.CO%3B2&rft.aulast=Nordt&rft.aufirst=Lee&rft.au=Atchley%2C+Stacy&rft.au=Dworkin%2C+Steve&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-75"><span class="mw-cite-backlink"><b><a href="#cite_ref-75">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFGaoIbarraCaves_RubensteinChen2021" class="citation journal cs1">Gao, Yuan; Ibarra, Daniel E.; Caves Rubenstein, Jeremy K.; Chen, Jiuquan; Kukla, Tyler; Methner, Katharina; Gao, Youfeng; Huang, He; Lin, Zhipeng; Zhang, Laiming; Xi, Dangpeng; Wu, Huaichun; Carroll, Alan R.; Graham, Stephan A.; Chamberlain, C. Page; Wang, Changshan (May 2021). <a rel="nofollow" class="external text" href="https://www.sciencedirect.com/science/article/abs/pii/S0012825221000714">"Terrestrial climate in mid-latitude East Asia from the latest Cretaceous to the earliest Paleogene: A multiproxy record from the Songliao Basin in northeastern China"</a>. <i><a href="/wiki/Earth-Science_Reviews" title="Earth-Science Reviews">Earth-Science Reviews</a></i>. <b>216</b>: <span class="nowrap">1–</span>29. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2021ESRv..21603572G">2021ESRv..21603572G</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1016%2Fj.earscirev.2021.103572">10.1016/j.earscirev.2021.103572</a>. <a href="/wiki/S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:233918778">233918778</a><span class="reference-accessdate">. Retrieved <span class="nowrap">21 July</span> 2023</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Earth-Science+Reviews&rft.atitle=Terrestrial+climate+in+mid-latitude+East+Asia+from+the+latest+Cretaceous+to+the+earliest+Paleogene%3A+A+multiproxy+record+from+the+Songliao+Basin+in+northeastern+China&rft.volume=216&rft.pages=%3Cspan+class%3D%22nowrap%22%3E1-%3C%2Fspan%3E29&rft.date=2021-05&rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A233918778%23id-name%3DS2CID&rft_id=info%3Adoi%2F10.1016%2Fj.earscirev.2021.103572&rft_id=info%3Abibcode%2F2021ESRv..21603572G&rft.aulast=Gao&rft.aufirst=Yuan&rft.au=Ibarra%2C+Daniel+E.&rft.au=Caves+Rubenstein%2C+Jeremy+K.&rft.au=Chen%2C+Jiuquan&rft.au=Kukla%2C+Tyler&rft.au=Methner%2C+Katharina&rft.au=Gao%2C+Youfeng&rft.au=Huang%2C+He&rft.au=Lin%2C+Zhipeng&rft.au=Zhang%2C+Laiming&rft.au=Xi%2C+Dangpeng&rft.au=Wu%2C+Huaichun&rft.au=Carroll%2C+Alan+R.&rft.au=Graham%2C+Stephan+A.&rft.au=Chamberlain%2C+C.+Page&rft.au=Wang%2C+Changshan&rft_id=https%3A%2F%2Fwww.sciencedirect.com%2Fscience%2Farticle%2Fabs%2Fpii%2FS0012825221000714&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-Foulger-76"><span class="mw-cite-backlink"><b><a href="#cite_ref-Foulger_76-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFFoulger,_G.R.2010" class="citation book cs1">Foulger, G.R. (2010). <a rel="nofollow" class="external text" href="http://www.wiley.com/WileyCDA/WileyTitle/productCd-1405161485.html"><i>Plates vs. Plumes: A Geological Controversy</i></a>. Wiley-Blackwell. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-1-4051-6148-0" title="Special:BookSources/978-1-4051-6148-0"><bdi>978-1-4051-6148-0</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Plates+vs.+Plumes%3A+A+Geological+Controversy&rft.pub=Wiley-Blackwell&rft.date=2010&rft.isbn=978-1-4051-6148-0&rft.au=Foulger%2C+G.R.&rft_id=http%3A%2F%2Fwww.wiley.com%2FWileyCDA%2FWileyTitle%2FproductCd-1405161485.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-FOOTNOTEStanley1999480–482-77"><span class="mw-cite-backlink"><b><a href="#cite_ref-FOOTNOTEStanley1999480–482_77-0">^</a></b></span> <span class="reference-text"><a href="#CITEREFStanley1999">Stanley 1999</a>, p. 480–482.</span> </li> <li id="cite_note-78"><span class="mw-cite-backlink"><b><a href="#cite_ref-78">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFBornemannFriedrichBeckmannSchouten2008" class="citation journal cs1">Bornemann, Norris R. D.; Friedrich, O.; Beckmann, B.; Schouten, Stefan; Sinnighe Damsté, Jaap S.; Vogel, J.; Hofmann, P.; Wagner, T. (January 2008). <a rel="nofollow" class="external text" href="https://www.researchgate.net/publication/5662444">"Isotopic evidence for glaciation during the Cretaceous supergreenhouse"</a>. <i><a href="/wiki/Science_(journal)" title="Science (journal)">Science</a></i>. <b>319</b> (5860): <span class="nowrap">189–</span>192. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2008Sci...319..189B">2008Sci...319..189B</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1126%2Fscience.1148777">10.1126/science.1148777</a>. <a href="/wiki/PMID_(identifier)" class="mw-redirect" title="PMID (identifier)">PMID</a> <a rel="nofollow" class="external text" href="https://pubmed.ncbi.nlm.nih.gov/18187651">18187651</a>. <a href="/wiki/S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:206509273">206509273</a><span class="reference-accessdate">. Retrieved <span class="nowrap">18 March</span> 2023</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Science&rft.atitle=Isotopic+evidence+for+glaciation+during+the+Cretaceous+supergreenhouse&rft.volume=319&rft.issue=5860&rft.pages=%3Cspan+class%3D%22nowrap%22%3E189-%3C%2Fspan%3E192&rft.date=2008-01&rft_id=info%3Adoi%2F10.1126%2Fscience.1148777&rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A206509273%23id-name%3DS2CID&rft_id=info%3Apmid%2F18187651&rft_id=info%3Abibcode%2F2008Sci...319..189B&rft.aulast=Bornemann&rft.aufirst=Norris+R.+D.&rft.au=Friedrich%2C+O.&rft.au=Beckmann%2C+B.&rft.au=Schouten%2C+Stefan&rft.au=Sinnighe+Damst%C3%A9%2C+Jaap+S.&rft.au=Vogel%2C+J.&rft.au=Hofmann%2C+P.&rft.au=Wagner%2C+T.&rft_id=https%3A%2F%2Fwww.researchgate.net%2Fpublication%2F5662444&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-79"><span class="mw-cite-backlink"><b><a href="#cite_ref-79">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFHuberMacLeodWatkinsCoffin2018" class="citation journal cs1">Huber, Brian T.; MacLeod, Kenneth G.; Watkins, David K.; Coffin, Millard F. (2018-08-01). <a rel="nofollow" class="external text" href="http://www.sciencedirect.com/science/article/pii/S0921818117306483">"The rise and fall of the Cretaceous Hot Greenhouse climate"</a>. <i><a href="/wiki/Global_and_Planetary_Change" title="Global and Planetary Change">Global and Planetary Change</a></i>. <b>167</b>: <span class="nowrap">1–</span>23. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2018GPC...167....1H">2018GPC...167....1H</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1016%2Fj.gloplacha.2018.04.004">10.1016/j.gloplacha.2018.04.004</a>. <a href="/wiki/Hdl_(identifier)" class="mw-redirect" title="Hdl (identifier)">hdl</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://hdl.handle.net/1912%2F10514">1912/10514</a></span>. <a href="/wiki/ISSN_(identifier)" class="mw-redirect" title="ISSN (identifier)">ISSN</a> <a rel="nofollow" class="external text" href="https://search.worldcat.org/issn/0921-8181">0921-8181</a>. <a href="/wiki/S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:135295956">135295956</a><span class="reference-accessdate">. Retrieved <span class="nowrap">18 March</span> 2023</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Global+and+Planetary+Change&rft.atitle=The+rise+and+fall+of+the+Cretaceous+Hot+Greenhouse+climate&rft.volume=167&rft.pages=%3Cspan+class%3D%22nowrap%22%3E1-%3C%2Fspan%3E23&rft.date=2018-08-01&rft_id=info%3Ahdl%2F1912%2F10514&rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A135295956%23id-name%3DS2CID&rft_id=info%3Abibcode%2F2018GPC...167....1H&rft.issn=0921-8181&rft_id=info%3Adoi%2F10.1016%2Fj.gloplacha.2018.04.004&rft.aulast=Huber&rft.aufirst=Brian+T.&rft.au=MacLeod%2C+Kenneth+G.&rft.au=Watkins%2C+David+K.&rft.au=Coffin%2C+Millard+F.&rft_id=http%3A%2F%2Fwww.sciencedirect.com%2Fscience%2Farticle%2Fpii%2FS0921818117306483&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-80"><span class="mw-cite-backlink"><b><a href="#cite_ref-80">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFthe_Science_Team_of_Expedition_PS104KlagesSalzmannBickert2020" class="citation journal cs1">the Science Team of Expedition PS104; Klages, Johann P.; Salzmann, Ulrich; Bickert, Torsten; Hillenbrand, Claus-Dieter; Gohl, Karsten; Kuhn, Gerhard; Bohaty, Steven M.; Titschack, Jürgen; Müller, Juliane; Frederichs, Thomas (April 2020). <a rel="nofollow" class="external text" href="http://www.nature.com/articles/s41586-020-2148-5">"Temperate rainforests near the South Pole during peak Cretaceous warmth"</a>. <i><a href="/wiki/Nature_(journal)" title="Nature (journal)">Nature</a></i>. <b>580</b> (7801): <span class="nowrap">81–</span>86. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2020Natur.580...81K">2020Natur.580...81K</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1038%2Fs41586-020-2148-5">10.1038/s41586-020-2148-5</a>. <a href="/wiki/ISSN_(identifier)" class="mw-redirect" title="ISSN (identifier)">ISSN</a> <a rel="nofollow" class="external text" href="https://search.worldcat.org/issn/0028-0836">0028-0836</a>. <a href="/wiki/PMID_(identifier)" class="mw-redirect" title="PMID (identifier)">PMID</a> <a rel="nofollow" class="external text" href="https://pubmed.ncbi.nlm.nih.gov/32238944">32238944</a>. <a href="/wiki/S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:214736648">214736648</a><span class="reference-accessdate">. Retrieved <span class="nowrap">18 March</span> 2023</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Nature&rft.atitle=Temperate+rainforests+near+the+South+Pole+during+peak+Cretaceous+warmth&rft.volume=580&rft.issue=7801&rft.pages=%3Cspan+class%3D%22nowrap%22%3E81-%3C%2Fspan%3E86&rft.date=2020-04&rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A214736648%23id-name%3DS2CID&rft_id=info%3Abibcode%2F2020Natur.580...81K&rft.issn=0028-0836&rft_id=info%3Adoi%2F10.1038%2Fs41586-020-2148-5&rft_id=info%3Apmid%2F32238944&rft.au=the+Science+Team+of+Expedition+PS104&rft.au=Klages%2C+Johann+P.&rft.au=Salzmann%2C+Ulrich&rft.au=Bickert%2C+Torsten&rft.au=Hillenbrand%2C+Claus-Dieter&rft.au=Gohl%2C+Karsten&rft.au=Kuhn%2C+Gerhard&rft.au=Bohaty%2C+Steven+M.&rft.au=Titschack%2C+J%C3%BCrgen&rft.au=M%C3%BCller%2C+Juliane&rft.au=Frederichs%2C+Thomas&rft_id=http%3A%2F%2Fwww.nature.com%2Farticles%2Fs41586-020-2148-5&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span><span class="cs1-maint citation-comment"><code class="cs1-code">{{<a href="/wiki/Template:Cite_journal" title="Template:Cite journal">cite journal</a>}}</code>: CS1 maint: numeric names: authors list (<a href="/wiki/Category:CS1_maint:_numeric_names:_authors_list" title="Category:CS1 maint: numeric names: authors list">link</a>)</span></span> </li> <li id="cite_note-81"><span class="mw-cite-backlink"><b><a href="#cite_ref-81">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFAlleyFrakes2003" class="citation journal cs1">Alley, N. F.; Frakes, L. A. (2003). "First known Cretaceous glaciation: Livingston Tillite Member of the Cadna-owie Formation, South Australia". <i><a href="/wiki/Australian_Journal_of_Earth_Sciences" title="Australian Journal of Earth Sciences">Australian Journal of Earth Sciences</a></i>. <b>50</b> (2): <span class="nowrap">139–</span>144. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2003AuJES..50..139A">2003AuJES..50..139A</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1046%2Fj.1440-0952.2003.00984.x">10.1046/j.1440-0952.2003.00984.x</a>. <a href="/wiki/S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:128739024">128739024</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Australian+Journal+of+Earth+Sciences&rft.atitle=First+known+Cretaceous+glaciation%3A+Livingston+Tillite+Member+of+the+Cadna-owie+Formation%2C+South+Australia&rft.volume=50&rft.issue=2&rft.pages=%3Cspan+class%3D%22nowrap%22%3E139-%3C%2Fspan%3E144&rft.date=2003&rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A128739024%23id-name%3DS2CID&rft_id=info%3Adoi%2F10.1046%2Fj.1440-0952.2003.00984.x&rft_id=info%3Abibcode%2F2003AuJES..50..139A&rft.aulast=Alley&rft.aufirst=N.+F.&rft.au=Frakes%2C+L.+A.&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-82"><span class="mw-cite-backlink"><b><a href="#cite_ref-82">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFFrakesFrancis1988" class="citation journal cs1">Frakes, L. A.; Francis, J. E. (1988). "A guide to Phanerozoic cold polar climates from high-latitude ice-rafting in the Cretaceous". <i><a href="/wiki/Nature_(journal)" title="Nature (journal)">Nature</a></i>. <b>333</b> (6173): <span class="nowrap">547–</span>549. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/1988Natur.333..547F">1988Natur.333..547F</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1038%2F333547a0">10.1038/333547a0</a>. <a href="/wiki/S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:4344903">4344903</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Nature&rft.atitle=A+guide+to+Phanerozoic+cold+polar+climates+from+high-latitude+ice-rafting+in+the+Cretaceous&rft.volume=333&rft.issue=6173&rft.pages=%3Cspan+class%3D%22nowrap%22%3E547-%3C%2Fspan%3E549&rft.date=1988&rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A4344903%23id-name%3DS2CID&rft_id=info%3Adoi%2F10.1038%2F333547a0&rft_id=info%3Abibcode%2F1988Natur.333..547F&rft.aulast=Frakes&rft.aufirst=L.+A.&rft.au=Francis%2C+J.+E.&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-Coiro-2019-83"><span class="mw-cite-backlink">^ <a href="#cite_ref-Coiro-2019_83-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-Coiro-2019_83-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-Coiro-2019_83-2"><sup><i><b>c</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFCoiroDoyleHilton2019" class="citation journal cs1">Coiro, Mario; Doyle, James A.; Hilton, Jason (July 2019). <a rel="nofollow" class="external text" href="https://doi.org/10.1111%2Fnph.15708">"How deep is the conflict between molecular and fossil evidence on the age of angiosperms?"</a>. <i>New Phytologist</i>. <b>223</b> (1): <span class="nowrap">83–</span>99. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://doi.org/10.1111%2Fnph.15708">10.1111/nph.15708</a></span>. <a href="/wiki/ISSN_(identifier)" class="mw-redirect" title="ISSN (identifier)">ISSN</a> <a rel="nofollow" class="external text" href="https://search.worldcat.org/issn/0028-646X">0028-646X</a>. <a href="/wiki/PMID_(identifier)" class="mw-redirect" title="PMID (identifier)">PMID</a> <a rel="nofollow" class="external text" href="https://pubmed.ncbi.nlm.nih.gov/30681148">30681148</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=New+Phytologist&rft.atitle=How+deep+is+the+conflict+between+molecular+and+fossil+evidence+on+the+age+of+angiosperms%3F&rft.volume=223&rft.issue=1&rft.pages=%3Cspan+class%3D%22nowrap%22%3E83-%3C%2Fspan%3E99&rft.date=2019-07&rft.issn=0028-646X&rft_id=info%3Apmid%2F30681148&rft_id=info%3Adoi%2F10.1111%2Fnph.15708&rft.aulast=Coiro&rft.aufirst=Mario&rft.au=Doyle%2C+James+A.&rft.au=Hilton%2C+Jason&rft_id=https%3A%2F%2Fdoi.org%2F10.1111%252Fnph.15708&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-84"><span class="mw-cite-backlink"><b><a href="#cite_ref-84">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFBrenner1996" class="citation book cs1">Brenner, G.J. (1996). "Evidence for the Earliest Stage of Angiosperm Pollen Evolution: A Paleoequatorial Section from Israel". In Taylor, D.W.; Hickey, L.J. (eds.). <i>Flowering Plant Origin, Evolution & Phylogeny</i>. New York: Chapman & Hall. pp. <span class="nowrap">91–</span>115. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1007%2F978-0-585-23095-5_5">10.1007/978-0-585-23095-5_5</a>. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-0-585-23095-5" title="Special:BookSources/978-0-585-23095-5"><bdi>978-0-585-23095-5</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.atitle=Evidence+for+the+Earliest+Stage+of+Angiosperm+Pollen+Evolution%3A+A+Paleoequatorial+Section+from+Israel&rft.btitle=Flowering+Plant+Origin%2C+Evolution+%26+Phylogeny&rft.place=New+York&rft.pages=%3Cspan+class%3D%22nowrap%22%3E91-%3C%2Fspan%3E115&rft.pub=Chapman+%26+Hall&rft.date=1996&rft_id=info%3Adoi%2F10.1007%2F978-0-585-23095-5_5&rft.isbn=978-0-585-23095-5&rft.aulast=Brenner&rft.aufirst=G.J.&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-85"><span class="mw-cite-backlink"><b><a href="#cite_ref-85">^</a></b></span> <span class="reference-text">Trevisan L. 1988. Angiospermous pollen (monosulcate–trichotomosulcate phase) from the very early Lower Cretaceous of southern Tuscany (Italy): some aspects. 7th International Palynological Congress Abstracts Volume. Brisbane, Australia: University of Queensland, 165.</span> </li> <li id="cite_note-86"><span class="mw-cite-backlink"><b><a href="#cite_ref-86">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFCondamineSilvestroKoppelhusAntonelli2020" class="citation journal cs1">Condamine, Fabien L.; Silvestro, Daniele; Koppelhus, Eva B.; Antonelli, Alexandre (2020-11-17). <a rel="nofollow" class="external text" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7682372">"The rise of angiosperms pushed conifers to decline during global cooling"</a>. <i><a href="/wiki/Proceedings_of_the_National_Academy_of_Sciences_of_the_United_States_of_America" title="Proceedings of the National Academy of Sciences of the United States of America">Proceedings of the National Academy of Sciences of the United States of America</a></i>. <b>117</b> (46): <span class="nowrap">28867–</span>28875. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2020PNAS..11728867C">2020PNAS..11728867C</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://doi.org/10.1073%2Fpnas.2005571117">10.1073/pnas.2005571117</a></span>. <a href="/wiki/ISSN_(identifier)" class="mw-redirect" title="ISSN (identifier)">ISSN</a> <a rel="nofollow" class="external text" href="https://search.worldcat.org/issn/0027-8424">0027-8424</a>. <a href="/wiki/PMC_(identifier)" class="mw-redirect" title="PMC (identifier)">PMC</a> <span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7682372">7682372</a></span>. <a href="/wiki/PMID_(identifier)" class="mw-redirect" title="PMID (identifier)">PMID</a> <a rel="nofollow" class="external text" href="https://pubmed.ncbi.nlm.nih.gov/33139543">33139543</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Proceedings+of+the+National+Academy+of+Sciences+of+the+United+States+of+America&rft.atitle=The+rise+of+angiosperms+pushed+conifers+to+decline+during+global+cooling&rft.volume=117&rft.issue=46&rft.pages=%3Cspan+class%3D%22nowrap%22%3E28867-%3C%2Fspan%3E28875&rft.date=2020-11-17&rft_id=https%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fpmc%2Farticles%2FPMC7682372%23id-name%3DPMC&rft_id=info%3Abibcode%2F2020PNAS..11728867C&rft_id=info%3Apmid%2F33139543&rft_id=info%3Adoi%2F10.1073%2Fpnas.2005571117&rft.issn=0027-8424&rft.aulast=Condamine&rft.aufirst=Fabien+L.&rft.au=Silvestro%2C+Daniele&rft.au=Koppelhus%2C+Eva+B.&rft.au=Antonelli%2C+Alexandre&rft_id=https%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fpmc%2Farticles%2FPMC7682372&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-87"><span class="mw-cite-backlink"><b><a href="#cite_ref-87">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFWuYouLi2018" class="citation journal cs1">Wu, Yan; You, Hai-Lu; Li, Xiao-Qiang (2018-09-01). <a rel="nofollow" class="external text" href="https://academic.oup.com/nsr/article/5/5/721/4769666">"Dinosaur-associated Poaceae epidermis and phytoliths from the Early Cretaceous of China"</a>. <i>National Science Review</i>. <b>5</b> (5): <span class="nowrap">721–</span>727. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://doi.org/10.1093%2Fnsr%2Fnwx145">10.1093/nsr/nwx145</a></span>. <a href="/wiki/ISSN_(identifier)" class="mw-redirect" title="ISSN (identifier)">ISSN</a> <a rel="nofollow" class="external text" href="https://search.worldcat.org/issn/2095-5138">2095-5138</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=National+Science+Review&rft.atitle=Dinosaur-associated+Poaceae+epidermis+and+phytoliths+from+the+Early+Cretaceous+of+China&rft.volume=5&rft.issue=5&rft.pages=%3Cspan+class%3D%22nowrap%22%3E721-%3C%2Fspan%3E727&rft.date=2018-09-01&rft_id=info%3Adoi%2F10.1093%2Fnsr%2Fnwx145&rft.issn=2095-5138&rft.aulast=Wu&rft.aufirst=Yan&rft.au=You%2C+Hai-Lu&rft.au=Li%2C+Xiao-Qiang&rft_id=https%3A%2F%2Facademic.oup.com%2Fnsr%2Farticle%2F5%2F5%2F721%2F4769666&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-88"><span class="mw-cite-backlink"><b><a href="#cite_ref-88">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFPrasadStrömbergLeachéSamant2011" class="citation journal cs1">Prasad, V.; Strömberg, C. a. E.; Leaché, A. D.; Samant, B.; Patnaik, R.; Tang, L.; Mohabey, D. M.; Ge, S.; Sahni, A. (2011-09-20). <a rel="nofollow" class="external text" href="https://doi.org/10.1038%2Fncomms1482">"Late Cretaceous origin of the rice tribe provides evidence for early diversification in Poaceae"</a>. <i><a href="/wiki/Nature_Communications" title="Nature Communications">Nature Communications</a></i>. <b>2</b> (1): 480. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2011NatCo...2..480P">2011NatCo...2..480P</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://doi.org/10.1038%2Fncomms1482">10.1038/ncomms1482</a></span>. <a href="/wiki/ISSN_(identifier)" class="mw-redirect" title="ISSN (identifier)">ISSN</a> <a rel="nofollow" class="external text" href="https://search.worldcat.org/issn/2041-1723">2041-1723</a>. <a href="/wiki/PMID_(identifier)" class="mw-redirect" title="PMID (identifier)">PMID</a> <a rel="nofollow" class="external text" href="https://pubmed.ncbi.nlm.nih.gov/21934664">21934664</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Nature+Communications&rft.atitle=Late+Cretaceous+origin+of+the+rice+tribe+provides+evidence+for+early+diversification+in+Poaceae&rft.volume=2&rft.issue=1&rft.pages=480&rft.date=2011-09-20&rft_id=info%3Adoi%2F10.1038%2Fncomms1482&rft.issn=2041-1723&rft_id=info%3Apmid%2F21934664&rft_id=info%3Abibcode%2F2011NatCo...2..480P&rft.aulast=Prasad&rft.aufirst=V.&rft.au=Str%C3%B6mberg%2C+C.+a.+E.&rft.au=Leach%C3%A9%2C+A.+D.&rft.au=Samant%2C+B.&rft.au=Patnaik%2C+R.&rft.au=Tang%2C+L.&rft.au=Mohabey%2C+D.+M.&rft.au=Ge%2C+S.&rft.au=Sahni%2C+A.&rft_id=https%3A%2F%2Fdoi.org%2F10.1038%252Fncomms1482&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-89"><span class="mw-cite-backlink"><b><a href="#cite_ref-89">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFJudD’EmicWilliamsMathews2018" class="citation journal cs1">Jud, Nathan A.; D’Emic, Michael D.; Williams, Scott A.; Mathews, Josh C.; Tremaine, Katie M.; Bhattacharya, Janok (September 2018). <a rel="nofollow" class="external text" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6157959">"A new fossil assemblage shows that large angiosperm trees grew in North America by the Turonian (Late Cretaceous)"</a>. <i><a href="/wiki/Science_Advances" title="Science Advances">Science Advances</a></i>. <b>4</b> (9): eaar8568. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2018SciA....4.8568J">2018SciA....4.8568J</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1126%2Fsciadv.aar8568">10.1126/sciadv.aar8568</a>. <a href="/wiki/ISSN_(identifier)" class="mw-redirect" title="ISSN (identifier)">ISSN</a> <a rel="nofollow" class="external text" href="https://search.worldcat.org/issn/2375-2548">2375-2548</a>. <a href="/wiki/PMC_(identifier)" class="mw-redirect" title="PMC (identifier)">PMC</a> <span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6157959">6157959</a></span>. <a href="/wiki/PMID_(identifier)" class="mw-redirect" title="PMID (identifier)">PMID</a> <a rel="nofollow" class="external text" href="https://pubmed.ncbi.nlm.nih.gov/30263954">30263954</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Science+Advances&rft.atitle=A+new+fossil+assemblage+shows+that+large+angiosperm+trees+grew+in+North+America+by+the+Turonian+%28Late+Cretaceous%29&rft.volume=4&rft.issue=9&rft.pages=eaar8568&rft.date=2018-09&rft_id=https%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fpmc%2Farticles%2FPMC6157959%23id-name%3DPMC&rft_id=info%3Abibcode%2F2018SciA....4.8568J&rft_id=info%3Apmid%2F30263954&rft_id=info%3Adoi%2F10.1126%2Fsciadv.aar8568&rft.issn=2375-2548&rft.aulast=Jud&rft.aufirst=Nathan+A.&rft.au=D%E2%80%99Emic%2C+Michael+D.&rft.au=Williams%2C+Scott+A.&rft.au=Mathews%2C+Josh+C.&rft.au=Tremaine%2C+Katie+M.&rft.au=Bhattacharya%2C+Janok&rft_id=https%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fpmc%2Farticles%2FPMC6157959&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-90"><span class="mw-cite-backlink"><b><a href="#cite_ref-90">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFRegaladoSchmidtMüllerNiedermeier2019" class="citation journal cs1">Regalado, Ledis; Schmidt, Alexander R.; Müller, Patrick; Niedermeier, Lisa; Krings, Michael; Schneider, Harald (July 2019). <a rel="nofollow" class="external text" href="https://doi.org/10.1111%2Fjse.12514">"Heinrichsia cheilanthoides gen. et sp. nov., a fossil fern in the family Pteridaceae (Polypodiales) from the Cretaceous amber forests of Myanmar"</a>. <i><a href="/wiki/Journal_of_Systematics_and_Evolution" title="Journal of Systematics and Evolution">Journal of Systematics and Evolution</a></i>. <b>57</b> (4): <span class="nowrap">329–</span>338. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://doi.org/10.1111%2Fjse.12514">10.1111/jse.12514</a></span>. <a href="/wiki/ISSN_(identifier)" class="mw-redirect" title="ISSN (identifier)">ISSN</a> <a rel="nofollow" class="external text" href="https://search.worldcat.org/issn/1674-4918">1674-4918</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Journal+of+Systematics+and+Evolution&rft.atitle=Heinrichsia+cheilanthoides+gen.+et+sp.+nov.%2C+a+fossil+fern+in+the+family+Pteridaceae+%28Polypodiales%29+from+the+Cretaceous+amber+forests+of+Myanmar&rft.volume=57&rft.issue=4&rft.pages=%3Cspan+class%3D%22nowrap%22%3E329-%3C%2Fspan%3E338&rft.date=2019-07&rft_id=info%3Adoi%2F10.1111%2Fjse.12514&rft.issn=1674-4918&rft.aulast=Regalado&rft.aufirst=Ledis&rft.au=Schmidt%2C+Alexander+R.&rft.au=M%C3%BCller%2C+Patrick&rft.au=Niedermeier%2C+Lisa&rft.au=Krings%2C+Michael&rft.au=Schneider%2C+Harald&rft_id=https%3A%2F%2Fdoi.org%2F10.1111%252Fjse.12514&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-91"><span class="mw-cite-backlink"><b><a href="#cite_ref-91">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFKielan-JaworowskaCifelliLuo2005" class="citation book cs1">Kielan-Jaworowska, Zofia; Cifelli, Richard L.; Luo, Zhe-Xi (2005). <span class="id-lock-limited" title="Free access subject to limited trial, subscription normally required"><a rel="nofollow" class="external text" href="https://archive.org/details/mammalsfromagedi00kiel_769"><i>Mammals from the Age of Dinosaurs: Origins, Evolution, and Structure</i></a></span>. Columbia University Press. p. <a rel="nofollow" class="external text" href="https://archive.org/details/mammalsfromagedi00kiel_769/page/n317">299</a>. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/9780231119184" title="Special:BookSources/9780231119184"><bdi>9780231119184</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Mammals+from+the+Age+of+Dinosaurs%3A+Origins%2C+Evolution%2C+and+Structure&rft.pages=299&rft.pub=Columbia+University+Press&rft.date=2005&rft.isbn=9780231119184&rft.aulast=Kielan-Jaworowska&rft.aufirst=Zofia&rft.au=Cifelli%2C+Richard+L.&rft.au=Luo%2C+Zhe-Xi&rft_id=https%3A%2F%2Farchive.org%2Fdetails%2Fmammalsfromagedi00kiel_769&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-92"><span class="mw-cite-backlink"><b><a href="#cite_ref-92">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFHallidayUpchurchGoswami2016" class="citation journal cs1">Halliday, Thomas John Dixon; Upchurch, Paul; Goswami, Anjali (29 June 2016). <a rel="nofollow" class="external text" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4936024">"Eutherians experienced elevated evolutionary rates in the immediate aftermath of the Cretaceous–Palaeogene mass extinction"</a>. <i><a href="/wiki/Proceedings_of_the_Royal_Society_B" class="mw-redirect" title="Proceedings of the Royal Society B">Proceedings of the Royal Society B</a></i>. <b>283</b> (1833): 20153026. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1098%2Frspb.2015.3026">10.1098/rspb.2015.3026</a>. <a href="/wiki/PMC_(identifier)" class="mw-redirect" title="PMC (identifier)">PMC</a> <span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4936024">4936024</a></span>. <a href="/wiki/PMID_(identifier)" class="mw-redirect" title="PMID (identifier)">PMID</a> <a rel="nofollow" class="external text" href="https://pubmed.ncbi.nlm.nih.gov/27358361">27358361</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Proceedings+of+the+Royal+Society+B&rft.atitle=Eutherians+experienced+elevated+evolutionary+rates+in+the+immediate+aftermath+of+the+Cretaceous%E2%80%93Palaeogene+mass+extinction&rft.volume=283&rft.issue=1833&rft.pages=20153026&rft.date=2016-06-29&rft_id=https%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fpmc%2Farticles%2FPMC4936024%23id-name%3DPMC&rft_id=info%3Apmid%2F27358361&rft_id=info%3Adoi%2F10.1098%2Frspb.2015.3026&rft.aulast=Halliday&rft.aufirst=Thomas+John+Dixon&rft.au=Upchurch%2C+Paul&rft.au=Goswami%2C+Anjali&rft_id=https%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fpmc%2Farticles%2FPMC4936024&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-93"><span class="mw-cite-backlink"><b><a href="#cite_ref-93">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFWilton,_Mark_P.2013" class="citation book cs1">Wilton, Mark P. (2013). <i>Pterosaurs: Natural History, Evolution, Anatomy</i>. Princeton University Press. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-0691150611" title="Special:BookSources/978-0691150611"><bdi>978-0691150611</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Pterosaurs%3A+Natural+History%2C+Evolution%2C+Anatomy&rft.pub=Princeton+University+Press&rft.date=2013&rft.isbn=978-0691150611&rft.au=Wilton%2C+Mark+P.&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-94"><span class="mw-cite-backlink"><b><a href="#cite_ref-94">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFLongrichMartillAndres2018" class="citation journal cs1">Longrich, Nicholas R.; Martill, David M.; Andres, Brian (2018-03-13). <a rel="nofollow" class="external text" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5849296">"Late Maastrichtian pterosaurs from North Africa and mass extinction of Pterosauria at the Cretaceous-Paleogene boundary"</a>. <i>PLOS Biology</i>. <b>16</b> (3): e2001663. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://doi.org/10.1371%2Fjournal.pbio.2001663">10.1371/journal.pbio.2001663</a></span>. <a href="/wiki/ISSN_(identifier)" class="mw-redirect" title="ISSN (identifier)">ISSN</a> <a rel="nofollow" class="external text" href="https://search.worldcat.org/issn/1545-7885">1545-7885</a>. <a href="/wiki/PMC_(identifier)" class="mw-redirect" title="PMC (identifier)">PMC</a> <span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5849296">5849296</a></span>. <a href="/wiki/PMID_(identifier)" class="mw-redirect" title="PMID (identifier)">PMID</a> <a rel="nofollow" class="external text" href="https://pubmed.ncbi.nlm.nih.gov/29534059">29534059</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=PLOS+Biology&rft.atitle=Late+Maastrichtian+pterosaurs+from+North+Africa+and+mass+extinction+of+Pterosauria+at+the+Cretaceous-Paleogene+boundary&rft.volume=16&rft.issue=3&rft.pages=e2001663&rft.date=2018-03-13&rft_id=https%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fpmc%2Farticles%2FPMC5849296%23id-name%3DPMC&rft.issn=1545-7885&rft_id=info%3Apmid%2F29534059&rft_id=info%3Adoi%2F10.1371%2Fjournal.pbio.2001663&rft.aulast=Longrich&rft.aufirst=Nicholas+R.&rft.au=Martill%2C+David+M.&rft.au=Andres%2C+Brian&rft_id=https%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fpmc%2Farticles%2FPMC5849296&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-UCMP-95"><span class="mw-cite-backlink">^ <a href="#cite_ref-UCMP_95-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-UCMP_95-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://www.ucmp.berkeley.edu/mesozoic/cretaceous/cretlife.html">"Life of the Cretaceous"</a>. <i>www.ucmp.Berkeley.edu</i><span class="reference-accessdate">. Retrieved <span class="nowrap">18 October</span> 2017</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=www.ucmp.Berkeley.edu&rft.atitle=Life+of+the+Cretaceous&rft_id=http%3A%2F%2Fwww.ucmp.berkeley.edu%2Fmesozoic%2Fcretaceous%2Fcretlife.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-Cleary-2018-96"><span class="mw-cite-backlink"><b><a href="#cite_ref-Cleary-2018_96-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFClearyBensonEvansBarrett2018" class="citation journal cs1">Cleary TJ, Benson RB, Evans SE, Barrett PM (March 2018). <a rel="nofollow" class="external text" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5882712">"Lepidosaurian diversity in the Mesozoic-Palaeogene: the potential roles of sampling biases and environmental drivers"</a>. <i>Royal Society Open Science</i>. <b>5</b> (3): 171830. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2018RSOS....571830C">2018RSOS....571830C</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1098%2Frsos.171830">10.1098/rsos.171830</a>. <a href="/wiki/PMC_(identifier)" class="mw-redirect" title="PMC (identifier)">PMC</a> <span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5882712">5882712</a></span>. <a href="/wiki/PMID_(identifier)" class="mw-redirect" title="PMID (identifier)">PMID</a> <a rel="nofollow" class="external text" href="https://pubmed.ncbi.nlm.nih.gov/29657788">29657788</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Royal+Society+Open+Science&rft.atitle=Lepidosaurian+diversity+in+the+Mesozoic-Palaeogene%3A+the+potential+roles+of+sampling+biases+and+environmental+drivers&rft.volume=5&rft.issue=3&rft.pages=171830&rft.date=2018-03&rft_id=https%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fpmc%2Farticles%2FPMC5882712%23id-name%3DPMC&rft_id=info%3Apmid%2F29657788&rft_id=info%3Adoi%2F10.1098%2Frsos.171830&rft_id=info%3Abibcode%2F2018RSOS....571830C&rft.aulast=Cleary&rft.aufirst=TJ&rft.au=Benson%2C+RB&rft.au=Evans%2C+SE&rft.au=Barrett%2C+PM&rft_id=https%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fpmc%2Farticles%2FPMC5882712&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-Apesteguía-2016-97"><span class="mw-cite-backlink">^ <a href="#cite_ref-Apesteguía-2016_97-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-Apesteguía-2016_97-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFApesteguíaDazaSimõesRage2016" class="citation journal cs1">Apesteguía S, Daza JD, Simões TR, Rage JC (September 2016). <a rel="nofollow" class="external text" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5043327">"The first iguanian lizard from the Mesozoic of Africa"</a>. <i>Royal Society Open Science</i>. <b>3</b> (9): 160462. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2016RSOS....360462A">2016RSOS....360462A</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1098%2Frsos.160462">10.1098/rsos.160462</a>. <a href="/wiki/PMC_(identifier)" class="mw-redirect" title="PMC (identifier)">PMC</a> <span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5043327">5043327</a></span>. <a href="/wiki/PMID_(identifier)" class="mw-redirect" title="PMID (identifier)">PMID</a> <a rel="nofollow" class="external text" href="https://pubmed.ncbi.nlm.nih.gov/27703708">27703708</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Royal+Society+Open+Science&rft.atitle=The+first+iguanian+lizard+from+the+Mesozoic+of+Africa&rft.volume=3&rft.issue=9&rft.pages=160462&rft.date=2016-09&rft_id=https%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fpmc%2Farticles%2FPMC5043327%23id-name%3DPMC&rft_id=info%3Apmid%2F27703708&rft_id=info%3Adoi%2F10.1098%2Frsos.160462&rft_id=info%3Abibcode%2F2016RSOS....360462A&rft.aulast=Apestegu%C3%ADa&rft.aufirst=S&rft.au=Daza%2C+JD&rft.au=Sim%C3%B5es%2C+TR&rft.au=Rage%2C+JC&rft_id=https%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fpmc%2Farticles%2FPMC5043327&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-98"><span class="mw-cite-backlink"><b><a href="#cite_ref-98">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFSimõesWilnerCaldwellWeinschütz2015" class="citation journal cs1">Simões TR, Wilner E, Caldwell MW, Weinschütz LC, Kellner AW (August 2015). <a rel="nofollow" class="external text" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4560825">"A stem acrodontan lizard in the Cretaceous of Brazil revises early lizard evolution in Gondwana"</a>. <i><a href="/wiki/Nature_Communications" title="Nature Communications">Nature Communications</a></i>. <b>6</b> (1): 8149. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2015NatCo...6.8149S">2015NatCo...6.8149S</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1038%2Fncomms9149">10.1038/ncomms9149</a>. <a href="/wiki/PMC_(identifier)" class="mw-redirect" title="PMC (identifier)">PMC</a> <span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4560825">4560825</a></span>. <a href="/wiki/PMID_(identifier)" class="mw-redirect" title="PMID (identifier)">PMID</a> <a rel="nofollow" class="external text" href="https://pubmed.ncbi.nlm.nih.gov/26306778">26306778</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Nature+Communications&rft.atitle=A+stem+acrodontan+lizard+in+the+Cretaceous+of+Brazil+revises+early+lizard+evolution+in+Gondwana&rft.volume=6&rft.issue=1&rft.pages=8149&rft.date=2015-08&rft_id=https%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fpmc%2Farticles%2FPMC4560825%23id-name%3DPMC&rft_id=info%3Apmid%2F26306778&rft_id=info%3Adoi%2F10.1038%2Fncomms9149&rft_id=info%3Abibcode%2F2015NatCo...6.8149S&rft.aulast=Sim%C3%B5es&rft.aufirst=TR&rft.au=Wilner%2C+E&rft.au=Caldwell%2C+MW&rft.au=Weinsch%C3%BCtz%2C+LC&rft.au=Kellner%2C+AW&rft_id=https%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fpmc%2Farticles%2FPMC4560825&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-Jones-2009-99"><span class="mw-cite-backlink"><b><a href="#cite_ref-Jones-2009_99-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFJonesTennysonWorthyEvans2009" class="citation journal cs1">Jones ME, Tennyson AJ, Worthy JP, Evans SE, Worthy TH (April 2009). <a rel="nofollow" class="external text" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2660973">"A sphenodontine (Rhynchocephalia) from the Miocene of New Zealand and palaeobiogeography of the tuatara (Sphenodon)"</a>. <i>Proceedings. Biological Sciences</i>. <b>276</b> (1660): <span class="nowrap">1385–</span>90. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1098%2Frspb.2008.1785">10.1098/rspb.2008.1785</a>. <a href="/wiki/PMC_(identifier)" class="mw-redirect" title="PMC (identifier)">PMC</a> <span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2660973">2660973</a></span>. <a href="/wiki/PMID_(identifier)" class="mw-redirect" title="PMID (identifier)">PMID</a> <a rel="nofollow" class="external text" href="https://pubmed.ncbi.nlm.nih.gov/19203920">19203920</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Proceedings.+Biological+Sciences&rft.atitle=A+sphenodontine+%28Rhynchocephalia%29+from+the+Miocene+of+New+Zealand+and+palaeobiogeography+of+the+tuatara+%28Sphenodon%29&rft.volume=276&rft.issue=1660&rft.pages=%3Cspan+class%3D%22nowrap%22%3E1385-%3C%2Fspan%3E90&rft.date=2009-04&rft_id=https%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fpmc%2Farticles%2FPMC2660973%23id-name%3DPMC&rft_id=info%3Apmid%2F19203920&rft_id=info%3Adoi%2F10.1098%2Frspb.2008.1785&rft.aulast=Jones&rft.aufirst=ME&rft.au=Tennyson%2C+AJ&rft.au=Worthy%2C+JP&rft.au=Evans%2C+SE&rft.au=Worthy%2C+TH&rft_id=https%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fpmc%2Farticles%2FPMC2660973&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-Matsumoto-2010-100"><span class="mw-cite-backlink"><b><a href="#cite_ref-Matsumoto-2010_100-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFMatsumotoEvans2010" class="citation journal cs1">Matsumoto R, Evans SE (2010). <a rel="nofollow" class="external text" href="https://doi.org/10.5209%2Frev_jige.2010.v36.n2.11">"Choristoderes and the freshwater assemblages of Laurasia"</a>. <i><a href="/wiki/Journal_of_Iberian_Geology" title="Journal of Iberian Geology">Journal of Iberian Geology</a></i>. <b>36</b> (2): <span class="nowrap">253–</span>274. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2010JIbG...36..253M">2010JIbG...36..253M</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://doi.org/10.5209%2Frev_jige.2010.v36.n2.11">10.5209/rev_jige.2010.v36.n2.11</a></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Journal+of+Iberian+Geology&rft.atitle=Choristoderes+and+the+freshwater+assemblages+of+Laurasia&rft.volume=36&rft.issue=2&rft.pages=%3Cspan+class%3D%22nowrap%22%3E253-%3C%2Fspan%3E274&rft.date=2010&rft_id=info%3Adoi%2F10.5209%2Frev_jige.2010.v36.n2.11&rft_id=info%3Abibcode%2F2010JIbG...36..253M&rft.aulast=Matsumoto&rft.aufirst=R&rft.au=Evans%2C+SE&rft_id=https%3A%2F%2Fdoi.org%2F10.5209%252Frev_jige.2010.v36.n2.11&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-101"><span class="mw-cite-backlink"><b><a href="#cite_ref-101">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://www.talkorigins.org/origins/geo_timeline.html">"EVOLUTIONARY/GEOLOGICAL TIMELINE v1.0"</a>. <i>www.TalkOrigins.org</i><span class="reference-accessdate">. Retrieved <span class="nowrap">18 October</span> 2017</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=www.TalkOrigins.org&rft.atitle=EVOLUTIONARY%2FGEOLOGICAL+TIMELINE+v1.0&rft_id=http%3A%2F%2Fwww.talkorigins.org%2Forigins%2Fgeo_timeline.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-102"><span class="mw-cite-backlink"><b><a href="#cite_ref-102">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFWalaszczykSzasz1997" class="citation journal cs1">Walaszczyk, I.; Szasz, L. (1 December 1997). <a rel="nofollow" class="external text" href="https://www.sciencedirect.com/science/article/pii/S0195667197900860">"Inoceramid bivalves from the Turonian/Coniacian (Cretaceous) boundary in Romania: revisions of Simonescu's (1899) material from Ürmös (Ormenis), Transylvania"</a>. <i><a href="/wiki/Cretaceous_Research" title="Cretaceous Research">Cretaceous Research</a></i>. <b>18</b> (6): <span class="nowrap">767–</span>787. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/1997CrRes..18..767W">1997CrRes..18..767W</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1006%2Fcres.1997.0086">10.1006/cres.1997.0086</a>. <a href="/wiki/ISSN_(identifier)" class="mw-redirect" title="ISSN (identifier)">ISSN</a> <a rel="nofollow" class="external text" href="https://search.worldcat.org/issn/0195-6671">0195-6671</a><span class="reference-accessdate">. Retrieved <span class="nowrap">24 November</span> 2023</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Cretaceous+Research&rft.atitle=Inoceramid+bivalves+from+the+Turonian%2FConiacian+%28Cretaceous%29+boundary+in+Romania%3A+revisions+of+Simonescu%27s+%281899%29+material+from+%C3%9Crm%C3%B6s+%28Ormenis%29%2C+Transylvania&rft.volume=18&rft.issue=6&rft.pages=%3Cspan+class%3D%22nowrap%22%3E767-%3C%2Fspan%3E787&rft.date=1997-12-01&rft.issn=0195-6671&rft_id=info%3Adoi%2F10.1006%2Fcres.1997.0086&rft_id=info%3Abibcode%2F1997CrRes..18..767W&rft.aulast=Walaszczyk&rft.aufirst=I.&rft.au=Szasz%2C+L.&rft_id=https%3A%2F%2Fwww.sciencedirect.com%2Fscience%2Farticle%2Fpii%2FS0195667197900860&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-103"><span class="mw-cite-backlink"><b><a href="#cite_ref-103">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFWoodErnstRasemann1984" class="citation journal cs1">Wood, Christopher J.; Ernst, Gundolf; Rasemann, Gabriele (11 September 1984). <a rel="nofollow" class="external text" href="https://2dgf.dk/xpdf/bull33-01-02-225-238.pdf">"The Turonian-Coniacian stage boundary in Lower Saxony (Germany) and adjacent areas: the Salzgitter-Salder Quarry as a proposed international standard section"</a> <span class="cs1-format">(PDF)</span>. <i>Bulletin of the Geological Society of Denmark</i>. <b>33</b>: <span class="nowrap">225–</span>238. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.37570%2Fbgsd-1984-33-21">10.37570/bgsd-1984-33-21</a>. <a href="/wiki/ISSN_(identifier)" class="mw-redirect" title="ISSN (identifier)">ISSN</a> <a rel="nofollow" class="external text" href="https://search.worldcat.org/issn/2245-7070">2245-7070</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Bulletin+of+the+Geological+Society+of+Denmark&rft.atitle=The+Turonian-Coniacian+stage+boundary+in+Lower+Saxony+%28Germany%29+and+adjacent+areas%3A+the+Salzgitter-Salder+Quarry+as+a+proposed+international+standard+section&rft.volume=33&rft.pages=%3Cspan+class%3D%22nowrap%22%3E225-%3C%2Fspan%3E238&rft.date=1984-09-11&rft_id=info%3Adoi%2F10.37570%2Fbgsd-1984-33-21&rft.issn=2245-7070&rft.aulast=Wood&rft.aufirst=Christopher+J.&rft.au=Ernst%2C+Gundolf&rft.au=Rasemann%2C+Gabriele&rft_id=https%3A%2F%2F2dgf.dk%2Fxpdf%2Fbull33-01-02-225-238.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-104"><span class="mw-cite-backlink"><b><a href="#cite_ref-104">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFWalaszczykCobban1998" class="citation journal cs1">Walaszczyk, Ireneusz Piotr; Cobban, W. A. (January 1998). <a rel="nofollow" class="external text" href="https://www.researchgate.net/publication/287488582">"The Turonian - Coniacian boundary in the United States Western interior"</a>. <i><a href="/wiki/Acta_Geologica_Polonica" title="Acta Geologica Polonica">Acta Geologica Polonica</a></i>. <b>48</b> (4): <span class="nowrap">495–</span>507<span class="reference-accessdate">. Retrieved <span class="nowrap">24 November</span> 2023</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Acta+Geologica+Polonica&rft.atitle=The+Turonian+-+Coniacian+boundary+in+the+United+States+Western+interior&rft.volume=48&rft.issue=4&rft.pages=%3Cspan+class%3D%22nowrap%22%3E495-%3C%2Fspan%3E507&rft.date=1998-01&rft.aulast=Walaszczyk&rft.aufirst=Ireneusz+Piotr&rft.au=Cobban%2C+W.+A.&rft_id=https%3A%2F%2Fwww.researchgate.net%2Fpublication%2F287488582&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-105"><span class="mw-cite-backlink"><b><a href="#cite_ref-105">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFKosnik2005" class="citation journal cs1">Kosnik, Matthew A. (1 September 2005). <a rel="nofollow" class="external text" href="https://bioone.org/journals/paleobiology/volume-31/issue-3/0094-8373_2005_031_0459_CILCTB_2.0.CO_2/Changes-in-Late-Cretaceousearly-Tertiary-benthic-marine-assemblages--analyses/10.1666/0094-8373(2005)031%5b0459:CILCTB%5d2.0.CO;2.short">"Changes in Late Cretaceous–early Tertiary benthic marine assemblages: analyses from the North American coastal plain shallow shelf"</a>. <i><a href="/wiki/Paleobiology_(journal)" title="Paleobiology (journal)">Paleobiology</a></i>. <b>31</b> (3): <span class="nowrap">459–</span>479. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1666%2F0094-8373%282005%29031%5B0459%3ACILCTB%5D2.0.CO%3B2">10.1666/0094-8373(2005)031[0459:CILCTB]2.0.CO;2</a>. <a href="/wiki/ISSN_(identifier)" class="mw-redirect" title="ISSN (identifier)">ISSN</a> <a rel="nofollow" class="external text" href="https://search.worldcat.org/issn/0094-8373">0094-8373</a>. <a href="/wiki/S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:130932162">130932162</a><span class="reference-accessdate">. Retrieved <span class="nowrap">22 September</span> 2023</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Paleobiology&rft.atitle=Changes+in+Late+Cretaceous%E2%80%93early+Tertiary+benthic+marine+assemblages%3A+analyses+from+the+North+American+coastal+plain+shallow+shelf&rft.volume=31&rft.issue=3&rft.pages=%3Cspan+class%3D%22nowrap%22%3E459-%3C%2Fspan%3E479&rft.date=2005-09-01&rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A130932162%23id-name%3DS2CID&rft.issn=0094-8373&rft_id=info%3Adoi%2F10.1666%2F0094-8373%282005%29031%5B0459%3ACILCTB%5D2.0.CO%3B2&rft.aulast=Kosnik&rft.aufirst=Matthew+A.&rft_id=https%3A%2F%2Fbioone.org%2Fjournals%2Fpaleobiology%2Fvolume-31%2Fissue-3%2F0094-8373_2005_031_0459_CILCTB_2.0.CO_2%2FChanges-in-Late-Cretaceousearly-Tertiary-benthic-marine-assemblages--analyses%2F10.1666%2F0094-8373%282005%29031%5B0459%3ACILCTB%5D2.0.CO%3B2.short&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-106"><span class="mw-cite-backlink"><b><a href="#cite_ref-106">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFFernandes_MartinsPuckettLockwoodSwaddle2018" class="citation journal cs1">Fernandes Martins, Maria João; Puckett, Mark; Lockwood, Rowan; Swaddle, John P.; Hunt, Gene (11 April 2018). <a rel="nofollow" class="external text" href="https://www.researchgate.net/publication/324504488">"High male sexual investment as a driver of extinction in fossil ostracods"</a>. <i><a href="/wiki/Nature_(journal)" title="Nature (journal)">Nature</a></i>. <b>556</b> (7701): <span class="nowrap">366–</span>369. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2018Natur.556..366M">2018Natur.556..366M</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1038%2Fs41586-018-0020-7">10.1038/s41586-018-0020-7</a>. <a href="/wiki/PMID_(identifier)" class="mw-redirect" title="PMID (identifier)">PMID</a> <a rel="nofollow" class="external text" href="https://pubmed.ncbi.nlm.nih.gov/29643505">29643505</a>. <a href="/wiki/S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:256767945">256767945</a><span class="reference-accessdate">. Retrieved <span class="nowrap">31 March</span> 2023</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Nature&rft.atitle=High+male+sexual+investment+as+a+driver+of+extinction+in+fossil+ostracods&rft.volume=556&rft.issue=7701&rft.pages=%3Cspan+class%3D%22nowrap%22%3E366-%3C%2Fspan%3E369&rft.date=2018-04-11&rft_id=info%3Adoi%2F10.1038%2Fs41586-018-0020-7&rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A256767945%23id-name%3DS2CID&rft_id=info%3Apmid%2F29643505&rft_id=info%3Abibcode%2F2018Natur.556..366M&rft.aulast=Fernandes+Martins&rft.aufirst=Maria+Jo%C3%A3o&rft.au=Puckett%2C+Mark&rft.au=Lockwood%2C+Rowan&rft.au=Swaddle%2C+John+P.&rft.au=Hunt%2C+Gene&rft_id=https%3A%2F%2Fwww.researchgate.net%2Fpublication%2F324504488&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> <li id="cite_note-107"><span class="mw-cite-backlink"><b><a href="#cite_ref-107">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFLees2008" class="citation journal cs1">Lees, Jackie A. (February 2008). <a rel="nofollow" class="external text" href="https://linkinghub.elsevier.com/retrieve/pii/S0195667107000961">"The calcareous nannofossil record across the Late Cretaceous Turonian/Coniacian boundary, including new data from Germany, Poland, the Czech Republic and England"</a>. <i><a href="/wiki/Cretaceous_Research" title="Cretaceous Research">Cretaceous Research</a></i>. <b>29</b> (1): <span class="nowrap">40–</span>64. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2008CrRes..29...40L">2008CrRes..29...40L</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1016%2Fj.cretres.2007.08.002">10.1016/j.cretres.2007.08.002</a><span class="reference-accessdate">. Retrieved <span class="nowrap">24 November</span> 2023</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Cretaceous+Research&rft.atitle=The+calcareous+nannofossil+record+across+the+Late+Cretaceous+Turonian%2FConiacian+boundary%2C+including+new+data+from+Germany%2C+Poland%2C+the+Czech+Republic+and+England&rft.volume=29&rft.issue=1&rft.pages=%3Cspan+class%3D%22nowrap%22%3E40-%3C%2Fspan%3E64&rft.date=2008-02&rft_id=info%3Adoi%2F10.1016%2Fj.cretres.2007.08.002&rft_id=info%3Abibcode%2F2008CrRes..29...40L&rft.aulast=Lees&rft.aufirst=Jackie+A.&rft_id=https%3A%2F%2Flinkinghub.elsevier.com%2Fretrieve%2Fpii%2FS0195667107000961&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></span> </li> </ol></div> <div class="mw-heading mw-heading3"><h3 id="Bibliography">Bibliography</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Cretaceous&action=edit&section=18" title="Edit section: Bibliography"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFYuichiro_KashiyamaNanako_O._OgawaJunichiro_KurodaMotoo_Shiro2008" class="citation journal cs1">Yuichiro Kashiyama; Nanako O. Ogawa; Junichiro Kuroda; Motoo Shiro; Shinya Nomoto; Ryuji Tada; Hiroshi Kitazato; Naohiko Ohkouchi (May 2008). "Diazotrophic cyanobacteria as the major photoautotrophs during mid-Cretaceous oceanic anoxic events: Nitrogen and carbon isotopic evidence from sedimentary porphyrin". <i>Organic Geochemistry</i>. <b>39</b> (5): <span class="nowrap">532–</span>549. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2008OrGeo..39..532K">2008OrGeo..39..532K</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1016%2Fj.orggeochem.2007.11.010">10.1016/j.orggeochem.2007.11.010</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Organic+Geochemistry&rft.atitle=Diazotrophic+cyanobacteria+as+the+major+photoautotrophs+during+mid-Cretaceous+oceanic+anoxic+events%3A+Nitrogen+and+carbon+isotopic+evidence+from+sedimentary+porphyrin&rft.volume=39&rft.issue=5&rft.pages=%3Cspan+class%3D%22nowrap%22%3E532-%3C%2Fspan%3E549&rft.date=2008-05&rft_id=info%3Adoi%2F10.1016%2Fj.orggeochem.2007.11.010&rft_id=info%3Abibcode%2F2008OrGeo..39..532K&rft.au=Yuichiro+Kashiyama&rft.au=Nanako+O.+Ogawa&rft.au=Junichiro+Kuroda&rft.au=Motoo+Shiro&rft.au=Shinya+Nomoto&rft.au=Ryuji+Tada&rft.au=Hiroshi+Kitazato&rft.au=Naohiko+Ohkouchi&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></li> <li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFLarsonJorgensenFarrarLarson1997" class="citation book cs1">Larson, Neal L; Jorgensen, Steven D; Farrar, Robert A; Larson, Peter L (1997). <i>Ammonites and the other Cephalopods of the Pierre Seaway</i>. Geoscience Press.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Ammonites+and+the+other+Cephalopods+of+the+Pierre+Seaway&rft.pub=Geoscience+Press&rft.date=1997&rft.aulast=Larson&rft.aufirst=Neal+L&rft.au=Jorgensen%2C+Steven+D&rft.au=Farrar%2C+Robert+A&rft.au=Larson%2C+Peter+L&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></li> <li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFOgg2004" class="citation web cs1">Ogg, Jim (June 2004). <a rel="nofollow" class="external text" href="https://web.archive.org/web/20060716071827/http://www.stratigraphy.org/gssp.htm">"Overview of Global Boundary Stratotype Sections and Points (GSSP's)"</a>. Archived from <a rel="nofollow" class="external text" href="http://www.stratigraphy.org/gssp.htm">the original</a> on 16 July 2006.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Overview+of+Global+Boundary+Stratotype+Sections+and+Points+%28GSSP%27s%29&rft.date=2004-06&rft.aulast=Ogg&rft.aufirst=Jim&rft_id=http%3A%2F%2Fwww.stratigraphy.org%2Fgssp.htm&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></li> <li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFOvechkinaAlekseev2005" class="citation journal cs1">Ovechkina, M.N.; Alekseev, A.S. (2005). <a rel="nofollow" class="external text" href="https://web.archive.org/web/20060824202146/http://www.ucm.es/info/estratig/vol31/10ovek.pdf">"Quantitative changes of calcareous nannoflora in the Saratov region (Russian Platform) during the late Maastrichtian warming event"</a> <span class="cs1-format">(PDF)</span>. <i><a href="/wiki/Journal_of_Iberian_Geology" title="Journal of Iberian Geology">Journal of Iberian Geology</a></i>. <b>31</b> (1): <span class="nowrap">149–</span>165. Archived from <a rel="nofollow" class="external text" href="http://www.ucm.es/info/estratig/vol31/10ovek.pdf">the original</a> <span class="cs1-format">(PDF)</span> on August 24, 2006.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Journal+of+Iberian+Geology&rft.atitle=Quantitative+changes+of+calcareous+nannoflora+in+the+Saratov+region+%28Russian+Platform%29+during+the+late+Maastrichtian+warming+event&rft.volume=31&rft.issue=1&rft.pages=%3Cspan+class%3D%22nowrap%22%3E149-%3C%2Fspan%3E165&rft.date=2005&rft.aulast=Ovechkina&rft.aufirst=M.N.&rft.au=Alekseev%2C+A.S.&rft_id=http%3A%2F%2Fwww.ucm.es%2Finfo%2Festratig%2Fvol31%2F10ovek.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></li> <li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFRasnitsynQuicke2002" class="citation book cs1"><a href="/wiki/Alex_Rasnitsyn" class="mw-redirect" title="Alex Rasnitsyn">Rasnitsyn, A.P.</a>; Quicke, D.L.J. (2002). <i>History of Insects</i>. <a href="/wiki/Kluwer_Academic_Publishers" class="mw-redirect" title="Kluwer Academic Publishers">Kluwer Academic Publishers</a>. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-1-4020-0026-3" title="Special:BookSources/978-1-4020-0026-3"><bdi>978-1-4020-0026-3</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=History+of+Insects&rft.pub=Kluwer+Academic+Publishers&rft.date=2002&rft.isbn=978-1-4020-0026-3&rft.aulast=Rasnitsyn&rft.aufirst=A.P.&rft.au=Quicke%2C+D.L.J.&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span>—detailed coverage of various aspects of the evolutionary history of the insects.</li> <li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFSkinnerPorter1995" class="citation book cs1">Skinner, Brian J.; Porter, Stephen C. (1995). <span class="id-lock-registration" title="Free registration required"><a rel="nofollow" class="external text" href="https://archive.org/details/dynamicearthin00skin"><i>The Dynamic Earth: An Introduction to Physical Geology</i></a></span> (3rd ed.). New York: John Wiley & Sons. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/0-471-60618-9" title="Special:BookSources/0-471-60618-9"><bdi>0-471-60618-9</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=The+Dynamic+Earth%3A+An+Introduction+to+Physical+Geology&rft.place=New+York&rft.edition=3rd&rft.pub=John+Wiley+%26+Sons&rft.date=1995&rft.isbn=0-471-60618-9&rft.aulast=Skinner&rft.aufirst=Brian+J.&rft.au=Porter%2C+Stephen+C.&rft_id=https%3A%2F%2Farchive.org%2Fdetails%2Fdynamicearthin00skin&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></li> <li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFStanley1999" class="citation book cs1">Stanley, Steven M. (1999). <i>Earth System History</i>. New York: W.H. Freeman and Company. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/0-7167-2882-6" title="Special:BookSources/0-7167-2882-6"><bdi>0-7167-2882-6</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Earth+System+History&rft.place=New+York&rft.pub=W.H.+Freeman+and+Company&rft.date=1999&rft.isbn=0-7167-2882-6&rft.aulast=Stanley&rft.aufirst=Steven+M.&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></li> <li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFTaylorWilson2003" class="citation journal cs1">Taylor, P. D.; Wilson, M. A. (2003). <a rel="nofollow" class="external text" href="http://doc.rero.ch/record/13828/files/PAL_E727.pdf">"Palaeoecology and evolution of marine hard substrate communities"</a> <span class="cs1-format">(PDF)</span>. <i>Earth-Science Reviews</i>. <b>62</b> (1): <span class="nowrap">1–</span>103. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2003ESRv...62....1T">2003ESRv...62....1T</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1016%2FS0012-8252%2802%2900131-9">10.1016/S0012-8252(02)00131-9</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Earth-Science+Reviews&rft.atitle=Palaeoecology+and+evolution+of+marine+hard+substrate+communities&rft.volume=62&rft.issue=1&rft.pages=%3Cspan+class%3D%22nowrap%22%3E1-%3C%2Fspan%3E103&rft.date=2003&rft_id=info%3Adoi%2F10.1016%2FS0012-8252%2802%2900131-9&rft_id=info%3Abibcode%2F2003ESRv...62....1T&rft.aulast=Taylor&rft.aufirst=P.+D.&rft.au=Wilson%2C+M.+A.&rft_id=http%3A%2F%2Fdoc.rero.ch%2Frecord%2F13828%2Ffiles%2FPAL_E727.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></li></ul> <div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Cretaceous&action=edit&section=19" title="Edit section: External links"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1235681985">.mw-parser-output .side-box{margin:4px 0;box-sizing:border-box;border:1px solid #aaa;font-size:88%;line-height:1.25em;background-color:var(--background-color-interactive-subtle,#f8f9fa);display:flow-root}.mw-parser-output .side-box-abovebelow,.mw-parser-output .side-box-text{padding:0.25em 0.9em}.mw-parser-output .side-box-image{padding:2px 0 2px 0.9em;text-align:center}.mw-parser-output .side-box-imageright{padding:2px 0.9em 2px 0;text-align:center}@media(min-width:500px){.mw-parser-output .side-box-flex{display:flex;align-items:center}.mw-parser-output .side-box-text{flex:1;min-width:0}}@media(min-width:720px){.mw-parser-output .side-box{width:238px}.mw-parser-output .side-box-right{clear:right;float:right;margin-left:1em}.mw-parser-output .side-box-left{margin-right:1em}}</style><style data-mw-deduplicate="TemplateStyles:r1237033735">@media print{body.ns-0 .mw-parser-output .sistersitebox{display:none!important}}@media screen{html.skin-theme-clientpref-night .mw-parser-output .sistersitebox img[src*="Wiktionary-logo-en-v2.svg"]{background-color:white}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .sistersitebox img[src*="Wiktionary-logo-en-v2.svg"]{background-color:white}}</style><div class="side-box side-box-right plainlinks sistersitebox"><style data-mw-deduplicate="TemplateStyles:r1126788409">.mw-parser-output .plainlist ol,.mw-parser-output .plainlist ul{line-height:inherit;list-style:none;margin:0;padding:0}.mw-parser-output .plainlist ol li,.mw-parser-output .plainlist ul li{margin-bottom:0}</style> <div class="side-box-flex"> <div class="side-box-image"><span class="noviewer" typeof="mw:File"><a href="/wiki/File:Commons-logo.svg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/30px-Commons-logo.svg.png" decoding="async" width="30" height="40" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/45px-Commons-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/59px-Commons-logo.svg.png 2x" data-file-width="1024" data-file-height="1376" /></a></span></div> <div class="side-box-text plainlist">Wikimedia Commons has media related to <span style="font-weight: bold; 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Vol. 7 (11th ed.). 1911. pp. <span class="nowrap">414–</span>418.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.atitle=Cretaceous+System&rft.btitle=Encyclop%C3%A6dia+Britannica&rft.pages=%3Cspan+class%3D%22nowrap%22%3E414-%3C%2Fspan%3E418&rft.edition=11th&rft.date=1911&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACretaceous" class="Z3988"></span></li></ul> <div class="navbox-styles"><style data-mw-deduplicate="TemplateStyles:r1129693374">.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output .hlist ul{margin:0;padding:0}.mw-parser-output .hlist dd,.mw-parser-output .hlist dt,.mw-parser-output .hlist li{margin:0;display:inline}.mw-parser-output .hlist.inline,.mw-parser-output .hlist.inline dl,.mw-parser-output .hlist.inline ol,.mw-parser-output .hlist.inline ul,.mw-parser-output .hlist dl dl,.mw-parser-output .hlist dl ol,.mw-parser-output .hlist dl ul,.mw-parser-output .hlist ol dl,.mw-parser-output .hlist ol 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href="/wiki/Template_talk:Cretaceous_footer" title="Template talk:Cretaceous footer"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Cretaceous_footer" title="Special:EditPage/Template:Cretaceous footer"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Cretaceous_Period32" style="font-size:114%;margin:0 4em"><a class="mw-selflink selflink">Cretaceous Period</a></div></th></tr><tr><td colspan="2" class="navbox-list navbox-off hlist" style="width:100%;padding:0;border: none;;background:transparent;color:inherit;"><div style="padding:0px"><table class="navbox-columns-table" style="border-spacing: 0px; text-align:left;width:100%;border-collapse: collapse;"><tbody><tr><td class="navbox-abovebelow" style="font-weight:bold;background-color: #ffffff; border-style:solid; border-width: 0 2px 2px 2px; border-color:rgb(127,198,78); text-align:center;"><a href="/wiki/Early_Cretaceous" title="Early Cretaceous">Lower/Early Cretaceous</a></td><td class="navbox-abovebelow" style="border-left:2px solid #fdfdfd;font-weight:bold;background-color: #ffffff; border-style:solid; border-width: 0 2px 2px 2px; border-color:rgb(127,198,78); text-align:center;"><a href="/wiki/Late_Cretaceous" title="Late Cretaceous">Upper/Late Cretaceous</a></td></tr><tr style="vertical-align:top"><td class="navbox-list" style="padding:0px;background-color: #ffffff; border-style:solid; border-width: 2px 0 0 0; border-color:rgb(127,198,78); text-align:center;width:10em;"><div> <ul><li><a href="/wiki/Berriasian" title="Berriasian">Berriasian</a></li> <li><a href="/wiki/Valanginian" title="Valanginian">Valanginian</a></li> <li><a href="/wiki/Hauterivian" title="Hauterivian">Hauterivian</a></li> <li><a href="/wiki/Barremian" title="Barremian">Barremian</a></li> <li><a href="/wiki/Aptian" title="Aptian">Aptian</a></li> <li><a href="/wiki/Albian" title="Albian">Albian</a></li></ul> </div></td><td class="navbox-list" style="border-left:2px solid #fdfdfd;padding:0px;background-color: #ffffff; border-style:solid; border-width: 2px 0 0 0; border-color:rgb(127,198,78); text-align:center;width:10em;"><div> <ul><li><a href="/wiki/Cenomanian" title="Cenomanian">Cenomanian</a></li> <li><a href="/wiki/Turonian" title="Turonian">Turonian</a></li> <li><a href="/wiki/Coniacian" title="Coniacian">Coniacian</a></li> <li><a href="/wiki/Santonian" title="Santonian">Santonian</a></li> <li><a href="/wiki/Campanian" title="Campanian">Campanian</a></li> <li><a href="/wiki/Maastrichtian" title="Maastrichtian">Maastrichtian</a></li></ul> </div></td></tr></tbody></table></div></td></tr></tbody></table></div> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236075235"><style data-mw-deduplicate="TemplateStyles:r886047488">.mw-parser-output .nobold{font-weight:normal}</style><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r886047488"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r886047488"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r886047488"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r886047488"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r886047488"></div><div role="navigation" class="navbox" aria-labelledby="Geological_history_of_Earth1258" style="padding:3px"><table class="nowraplinks mw-collapsible mw-collapsed navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239400231"><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Geological_history_of_Earth" title="Template:Geological history of Earth"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Geological_history_of_Earth" title="Template talk:Geological history of Earth"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Geological_history_of_Earth" title="Special:EditPage/Template:Geological history of Earth"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Geological_history_of_Earth1258" style="font-size:114%;margin:0 4em"><a href="/wiki/Geological_history_of_Earth" title="Geological history of Earth">Geological history of Earth</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Cenozoic" title="Cenozoic">Cenozoic Era<br /><span class="nobold">(present–66.0 Ma)</span></a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:26ch"><a href="/wiki/Quaternary" title="Quaternary">Quaternary <span class="nobold">(present–2.58 Ma)</span></a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Holocene" title="Holocene">Holocene (present–11.7 ka)</a></li> <li><a href="/wiki/Pleistocene" title="Pleistocene">Pleistocene (11.7 ka–2.58 Ma)</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:26ch"><a href="/wiki/Neogene" title="Neogene">Neogene <span class="nobold">(2.58–23.0 Ma)</span></a></th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Pliocene" title="Pliocene">Pliocene (2.59–5.33 Ma)</a></li> <li><a href="/wiki/Miocene" title="Miocene">Miocene (5.33–23.0 Ma)</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:26ch"><a href="/wiki/Paleogene" title="Paleogene">Paleogene <span class="nobold">(23.0–66.0 Ma)</span></a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Oligocene" title="Oligocene">Oligocene (23.0–33.9 Ma)</a></li> <li><a href="/wiki/Eocene" title="Eocene">Eocene (33.9–56.0 Ma)</a></li> <li><a href="/wiki/Paleocene" title="Paleocene">Paleocene (56.0–66.0 Ma)</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Mesozoic" title="Mesozoic">Mesozoic Era<br /><span class="nobold">(66.0–252 Ma)</span></a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:26ch"><a class="mw-selflink selflink">Cretaceous <span class="nobold">(66.0–145 Ma)</span></a></th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Late_Cretaceous" title="Late Cretaceous">Late (66.0–100 Ma)</a></li> <li><a href="/wiki/Early_Cretaceous" title="Early Cretaceous">Early (100–145 Ma)</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:26ch"><a href="/wiki/Jurassic" title="Jurassic">Jurassic <span class="nobold">(145–201 Ma)</span></a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Late_Jurassic" title="Late Jurassic">Late (145–164 Ma)</a></li> <li><a href="/wiki/Middle_Jurassic" title="Middle Jurassic">Middle (164–174 Ma)</a></li> <li><a href="/wiki/Early_Jurassic" title="Early Jurassic">Early (174–201 Ma)</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:26ch"><a href="/wiki/Triassic" title="Triassic">Triassic <span class="nobold">(201–252 Ma)</span></a></th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Late_Triassic" title="Late Triassic">Late (201–237 Ma)</a></li> <li><a href="/wiki/Middle_Triassic" title="Middle Triassic">Middle (237–247 Ma)</a></li> <li><a href="/wiki/Early_Triassic" title="Early Triassic">Early (247–252 Ma)</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Paleozoic" title="Paleozoic">Paleozoic Era<br /><span class="nobold">(252–539 Ma)</span></a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:26ch"><a href="/wiki/Permian" title="Permian">Permian <span class="nobold">(252–299 Ma)</span></a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Lopingian" title="Lopingian">Lopingian (252–260 Ma)</a></li> <li><a href="/wiki/Guadalupian" title="Guadalupian">Guadalupian (260–272 Ma)</a></li> <li><a href="/wiki/Cisuralian" title="Cisuralian">Cisuralian (272–299 Ma)</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:26ch"><a href="/wiki/Carboniferous" title="Carboniferous">Carboniferous <span class="nobold">(299–359 Ma)</span></a></th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Pennsylvanian_(geology)" title="Pennsylvanian (geology)">Pennsylvanian (299–323 Ma)</a></li> <li><a href="/wiki/Mississippian_(geology)" title="Mississippian (geology)">Mississippian (323–359 Ma)</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:26ch"><a href="/wiki/Devonian" title="Devonian">Devonian <span class="nobold">(359–419 Ma)</span></a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Late_Devonian" class="mw-redirect" title="Late Devonian">Late (359–383 Ma)</a></li> <li><a href="/wiki/Middle_Devonian" title="Middle Devonian">Middle (383–393 Ma)</a></li> <li><a href="/wiki/Early_Devonian" title="Early Devonian">Early (393–419 Ma)</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:26ch"><a href="/wiki/Silurian" title="Silurian">Silurian <span class="nobold">(419–444 Ma)</span></a></th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Pridoli_Epoch" title="Pridoli Epoch">Pridoli (419–423 Ma)</a></li> <li><a href="/wiki/Ludlow_Epoch" title="Ludlow Epoch">Ludlow (423–427 Ma)</a></li> <li><a href="/wiki/Wenlock_Epoch" title="Wenlock Epoch">Wenlock (427–433 Ma)</a></li> <li><a href="/wiki/Llandovery_Epoch" title="Llandovery Epoch">Llandovery (433–444 Ma)</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:26ch"><a href="/wiki/Ordovician" title="Ordovician">Ordovician <span class="nobold">(444–485 Ma)</span></a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Late_Ordovician" title="Late Ordovician">Late (444–458 Ma)</a></li> <li><a href="/wiki/Middle_Ordovician" class="mw-redirect" title="Middle Ordovician">Middle (458–470 Ma)</a></li> <li><a href="/wiki/Early_Ordovician" title="Early Ordovician">Early (470–485 Ma)</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:26ch"><a href="/wiki/Cambrian" title="Cambrian">Cambrian <span class="nobold">(485–539 Ma)</span></a></th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Furongian" title="Furongian">Furongian (485–497 Ma)</a></li> <li><a href="/wiki/Miaolingian" title="Miaolingian">Miaolingian (497–509 Ma)</a></li> <li><a href="/wiki/Cambrian_Series_2" title="Cambrian Series 2">Series 2 (509–521 Ma)</a></li> <li><a href="/wiki/Terreneuvian" title="Terreneuvian">Terreneuvian (521–539 Ma)</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Proterozoic" title="Proterozoic">Proterozoic Eon<br /><span class="nobold">(539 Ma–2.5 Ga)</span></a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:26ch"><a href="/wiki/Neoproterozoic" title="Neoproterozoic">Neoproterozoic <span class="nobold">(539 Ma–1 Ga)</span></a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Ediacaran" title="Ediacaran">Ediacaran (539–635 Ma)</a></li> <li><a href="/wiki/Cryogenian" title="Cryogenian">Cryogenian (635–720 Ma)</a></li> <li><a href="/wiki/Tonian" title="Tonian">Tonian (720 Ma–1 Ga)</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:26ch"><a href="/wiki/Mesoproterozoic" title="Mesoproterozoic">Mesoproterozoic <span class="nobold">(1–1.6 Ga)</span></a></th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Stenian" title="Stenian">Stenian (1–1.2 Ga)</a></li> <li><a href="/wiki/Ectasian" title="Ectasian">Ectasian (1.2–1.4 Ga)</a></li> <li><a href="/wiki/Calymmian" title="Calymmian">Calymmian (1.4–1.6 Ga)</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:26ch"><a href="/wiki/Paleoproterozoic" title="Paleoproterozoic">Paleoproterozoic <span class="nobold">(1.6–2.5 Ga)</span></a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Statherian" title="Statherian">Statherian (1.6–1.8 Ga)</a></li> <li><a href="/wiki/Orosirian" title="Orosirian">Orosirian (1.8–2.05 Ga)</a></li> <li><a href="/wiki/Rhyacian" title="Rhyacian">Rhyacian (2.05–2.3 Ga)</a></li> <li><a href="/wiki/Siderian" title="Siderian">Siderian (2.3–2.5 Ga)</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Archean" title="Archean">Archean Eon <span class="nobold">(2.5–4 Ga)</span></a></th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Neoarchean" title="Neoarchean">Neoarchean (2.5–2.8 Ga)</a></li> <li><a href="/wiki/Mesoarchean" title="Mesoarchean">Mesoarchean (2.8–3.2 Ga)</a></li> <li><a href="/wiki/Paleoarchean" title="Paleoarchean">Paleoarchean (3.2–3.6 Ga)</a></li> <li><a href="/wiki/Eoarchean" title="Eoarchean">Eoarchean (3.6–4 Ga)</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Hadean" title="Hadean">Hadean Eon <span class="nobold">(4–4.6 Ga)</span></a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> </div></td></tr><tr><td class="navbox-abovebelow" colspan="2"><div><a href="/wiki/Year#SI_prefix_multipliers" title="Year">ka</a> = kiloannum (thousand years ago); <a href="/wiki/Year#SI_prefix_multipliers" title="Year">Ma</a> = megaannum (million years ago); <a href="/wiki/Year#SI_prefix_multipliers" title="Year">Ga</a> = gigaannum (billion years ago).<br /> <i>See also:</i> <a href="/wiki/Geologic_time_scale" title="Geologic time scale">Geologic time scale</a>  •  <span class="nowrap"><span class="noviewer" typeof="mw:File"><a href="/wiki/File:WikiProject_Geology.svg" class="mw-file-description"><img alt="icon" src="//upload.wikimedia.org/wikipedia/commons/thumb/e/e7/WikiProject_Geology.svg/16px-WikiProject_Geology.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/e7/WikiProject_Geology.svg/24px-WikiProject_Geology.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/e7/WikiProject_Geology.svg/32px-WikiProject_Geology.svg.png 2x" data-file-width="327" data-file-height="328" /></a></span> </span><a href="/wiki/Portal:Geology" title="Portal:Geology">Geology portal</a>  •  <span class="nowrap"><span class="noviewer" typeof="mw:File"><a href="/wiki/File:The_Earth_seen_from_Apollo_17.jpg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/9/97/The_Earth_seen_from_Apollo_17.jpg/16px-The_Earth_seen_from_Apollo_17.jpg" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/97/The_Earth_seen_from_Apollo_17.jpg/24px-The_Earth_seen_from_Apollo_17.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/97/The_Earth_seen_from_Apollo_17.jpg/32px-The_Earth_seen_from_Apollo_17.jpg 2x" data-file-width="3000" data-file-height="3002" /></a></span> </span><a href="/wiki/Portal:World" title="Portal:World">World portal</a></div></td></tr></tbody></table></div> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236075235"><style data-mw-deduplicate="TemplateStyles:r1038841319">.mw-parser-output .tooltip-dotted{border-bottom:1px dotted;cursor:help}</style><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1038841319"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1038841319"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1038841319"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1038841319"></div><div role="navigation" class="navbox authority-control" aria-label="Navbox1806" style="padding:3px"><table class="nowraplinks hlist navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Help:Authority_control" title="Help:Authority control">Authority control databases</a>: National <span class="mw-valign-text-top noprint" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q44626#identifiers" title="Edit this at Wikidata"><img alt="Edit this at Wikidata" 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States</a></span></span><ul><li><span class="uid"><span class="rt-commentedText tooltip tooltip-dotted" title="Geology, Stratigraphic--Cretaceous"><a rel="nofollow" class="external text" href="https://id.loc.gov/authorities/sh85054092">2</a></span></span></li></ul></li><li><span class="uid"><span class="rt-commentedText tooltip tooltip-dotted" title="Crétacé"><a rel="nofollow" class="external text" href="https://catalogue.bnf.fr/ark:/12148/cb11975339c">France</a></span></span></li><li><span class="uid"><span class="rt-commentedText tooltip tooltip-dotted" title="Crétacé"><a rel="nofollow" class="external text" href="https://data.bnf.fr/ark:/12148/cb11975339c">BnF data</a></span></span></li><li><span class="uid"><a rel="nofollow" class="external text" href="https://id.ndl.go.jp/auth/ndlna/00562851">Japan</a></span></li><li><span class="uid"><span class="rt-commentedText tooltip tooltip-dotted" title="křída (stratigrafie)"><a rel="nofollow" class="external text" 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mw-ui-icon-speechBubbleAdd-progressive mw-ui-icon-wikimedia-speechBubbleAdd-progressive"></span> <span>Add topic</span> </a> </div> <div class="vector-sticky-header-icon-end"> <div class="vector-user-links"> </div> </div> </div> </div> </div> <div class="vector-settings" id="p-dock-bottom"> <ul></ul> </div><script>(RLQ=window.RLQ||[]).push(function(){mw.config.set({"wgHostname":"mw-web.codfw.main-7c5dd74596-zpfxw","wgBackendResponseTime":162,"wgPageParseReport":{"limitreport":{"cputime":"2.213","walltime":"2.495","ppvisitednodes":{"value":22787,"limit":1000000},"postexpandincludesize":{"value":524298,"limit":2097152},"templateargumentsize":{"value":8595,"limit":2097152},"expansiondepth":{"value":24,"limit":100},"expensivefunctioncount":{"value":10,"limit":500},"unstrip-depth":{"value":1,"limit":20},"unstrip-size":{"value":494116,"limit":5000000},"entityaccesscount":{"value":1,"limit":400},"timingprofile":["100.00% 2176.286 1 -total"," 43.34% 943.141 1 Template:Reflist"," 32.23% 701.348 88 Template:Cite_journal"," 9.01% 196.065 1 Template:Infobox_geologic_timespan"," 7.24% 157.528 6 Template:Sfn"," 6.15% 133.776 2 Template:Lang"," 5.59% 121.738 5 Template:Cite_web"," 5.20% 113.228 1 Template:Cretaceous_Footer"," 5.01% 109.050 1 Template:Geologic_timespan_footer"," 4.36% 94.954 2 Template:Sister_project"]},"scribunto":{"limitreport-timeusage":{"value":"1.467","limit":"10.000"},"limitreport-memusage":{"value":19886353,"limit":52428800},"limitreport-logs":"anchor_id_list = table#1 {\n [\"CITEREFAbbinkTargaronaBrinkhuisVisscher2001\"] = 1,\n [\"CITEREFAberhan,_MWeidemeyer,_SKieesling,_WScasso,_RA2007\"] = 1,\n [\"CITEREFAlleyFrakes2003\"] = 1,\n [\"CITEREFApesteguíaDazaSimõesRage2016\"] = 1,\n [\"CITEREFArensHarris2015\"] = 1,\n [\"CITEREFBarrera1994\"] = 1,\n [\"CITEREFBehroozNaafsDicksonLove2018\"] = 1,\n [\"CITEREFBiceBirgelMeyersDahl2006\"] = 1,\n [\"CITEREFBiceNorris2002\"] = 1,\n [\"CITEREFBornemannFriedrichBeckmannSchouten2008\"] = 1,\n [\"CITEREFBoulilaCharbonnierGalbrunGardin2015\"] = 1,\n [\"CITEREFBrenner1996\"] = 1,\n [\"CITEREFBrownstein2018\"] = 1,\n [\"CITEREFChenZhaoWangHuang2013\"] = 1,\n [\"CITEREFChisholm1911\"] = 1,\n [\"CITEREFClearyBensonEvansBarrett2018\"] = 1,\n [\"CITEREFCoiroDoyleHilton2019\"] = 1,\n [\"CITEREFCondamineSilvestroKoppelhusAntonelli2020\"] = 1,\n [\"CITEREFCuiLiAitchisonLuo2023\"] = 1,\n [\"CITEREFDixonBentonKingsleyBaker2001\"] = 1,\n [\"CITEREFDiéguezPeyrotBarrón2010\"] = 1,\n [\"CITEREFFernandes_MartinsPuckettLockwoodSwaddle2018\"] = 1,\n [\"CITEREFFletcherGreenwoodMossSalisbury2014\"] = 1,\n [\"CITEREFForsterSchoutenMoriyaWilson2007\"] = 1,\n [\"CITEREFFoulger,_G.R.2010\"] = 1,\n [\"CITEREFFrakesFrancis1988\"] = 1,\n [\"CITEREFFrauBulotRehákováWimbledon2016\"] = 1,\n [\"CITEREFFrickeForemanSewall2010\"] = 1,\n [\"CITEREFGaoIbarraCaves_RubensteinChen2021\"] = 1,\n [\"CITEREFGiorgioniWeissertBernasconiHochuli2012\"] = 1,\n [\"CITEREFHallidayUpchurchGoswami2016\"] = 1,\n [\"CITEREFHasegawaKatsutaMurakiHeimhofer2022\"] = 1,\n [\"CITEREFHofmannWagner2011\"] = 1,\n [\"CITEREFHongYiShinn2020\"] = 1,\n [\"CITEREFHuberMacLeodWatkinsCoffin2018\"] = 1,\n [\"CITEREFJonesTennysonWorthyEvans2009\"] = 1,\n [\"CITEREFJudD’EmicWilliamsMathews2018\"] = 1,\n [\"CITEREFKauffman2004\"] = 1,\n [\"CITEREFKazlev\"] = 1,\n [\"CITEREFKerrick2001\"] = 1,\n [\"CITEREFKielan-JaworowskaCifelliLuo2005\"] = 1,\n [\"CITEREFKosnik2005\"] = 1,\n [\"CITEREFLarsonErba2010\"] = 1,\n [\"CITEREFLarsonJorgensenFarrarLarson1997\"] = 1,\n [\"CITEREFLaugiéDonnadieuLadantGreen2020\"] = 1,\n [\"CITEREFLeckieBralowerCashman2002\"] = 1,\n [\"CITEREFLees2008\"] = 1,\n [\"CITEREFLenaLópez-MartínezLescanoAguire-Urreta2019\"] = 1,\n [\"CITEREFLinnertRobinsonLeesBown2014\"] = 1,\n [\"CITEREFLongrichMartillAndres2018\"] = 1,\n [\"CITEREFMaHeZhaoPeng2021\"] = 1,\n [\"CITEREFMacLeod,_NRawson,_PFForey,_PLBanner,_FT1997\"] = 1,\n [\"CITEREFMartinezAguirre-UrretaDeraLescano2023\"] = 1,\n [\"CITEREFMatsumotoEvans2010\"] = 1,\n [\"CITEREFMoussavou2015\"] = 1,\n [\"CITEREFMutterloseBornemannHerrle2009\"] = 1,\n [\"CITEREFMutterloseBrumsackFlögelHay2003\"] = 1,\n [\"CITEREFNordtAtchleyDworkin2003\"] = 1,\n [\"CITEREFNorrisBiceMagnoWilson2002\"] = 1,\n [\"CITEREFNorrisWilson1998\"] = 1,\n [\"CITEREFO\u0026#039;BrienRobinsonPancostSinninghe_Damsté2017\"] = 1,\n [\"CITEREFO\u0026#039;ConnorRobinsonNaafsJenkyns2019\"] = 1,\n [\"CITEREFOgg2004\"] = 1,\n [\"CITEREFOggHinnovHuang2012\"] = 1,\n [\"CITEREFOvechkinaAlekseev2005\"] = 1,\n [\"CITEREFPetrizzoMacLeodWatkinsWolfgring2021\"] = 1,\n [\"CITEREFPrasadStrömbergLeachéSamant2011\"] = 1,\n [\"CITEREFPucéatLécuyerDonnadieuNaveau2007\"] = 1,\n [\"CITEREFPucéatLécuyerSheppardDromart2003\"] = 1,\n [\"CITEREFPüttmannLinnertDöllingMutterlose2018\"] = 1,\n [\"CITEREFRasnitsynQuicke2002\"] = 1,\n [\"CITEREFRegaladoSchmidtMüllerNiedermeier2019\"] = 1,\n [\"CITEREFRenne,_Paul_R.2013\"] = 1,\n [\"CITEREFRodríguez-LópezLiesaPardoMeléndez2016\"] = 1,\n [\"CITEREFSchoutenHopmansForsterVan_Breugel2003\"] = 1,\n [\"CITEREFScoteseSongMillsvan_der_Meer2021\"] = 1,\n [\"CITEREFSheehan,_PMFastovsky,_DE1992\"] = 1,\n [\"CITEREFShehan,_PHansen,_TA1986\"] = 1,\n [\"CITEREFSimõesWilnerCaldwellWeinschütz2015\"] = 1,\n [\"CITEREFSkinnerPorter1995\"] = 1,\n [\"CITEREFStanley1999\"] = 1,\n [\"CITEREFTardunoBrinkmanRenneCottrell1998\"] = 1,\n [\"CITEREFTaylorWilson2003\"] = 1,\n [\"CITEREFVandermarkTardunoBrinkman2007\"] = 1,\n [\"CITEREFVennariLescanoNaipauerAguirre-Urreta2014\"] = 1,\n [\"CITEREFWIMBLEDON2017\"] = 1,\n [\"CITEREFWalaszczykCobban1998\"] = 1,\n [\"CITEREFWalaszczykSzasz1997\"] = 1,\n [\"CITEREFWangHoffmannHeZhang2023\"] = 1,\n [\"CITEREFWangHuangSunQuan2014\"] = 1,\n [\"CITEREFWangLiLiWang2022\"] = 1,\n [\"CITEREFWangScottWanGraham2013\"] = 1,\n [\"CITEREFWeimar1960\"] = 1,\n [\"CITEREFWilf,_PJohnson_KR2004\"] = 1,\n [\"CITEREFWilsonNorrisCooper2002\"] = 1,\n [\"CITEREFWilton,_Mark_P.2013\"] = 1,\n [\"CITEREFWimbledonRehakovaSvobodováSchnabl2020\"] = 1,\n [\"CITEREFWoodErnstRasemann1984\"] = 1,\n [\"CITEREFWuYouLi2018\"] = 1,\n [\"CITEREFYuichiro_KashiyamaNanako_O._OgawaJunichiro_KurodaMotoo_Shiro2008\"] = 1,\n [\"CITEREFd’Halloy,_d’O.,_J.-J.1822\"] = 1,\n [\"CITEREFthe_Science_Team_of_Expedition_PS104KlagesSalzmannBickert2020\"] = 1,\n}\ntemplate_list = table#1 {\n [\"Authority control\"] = 1,\n [\"Citation\"] = 1,\n [\"Citation needed\"] = 1,\n [\"Cite EB1911\"] = 1,\n [\"Cite book\"] = 11,\n [\"Cite journal\"] = 88,\n [\"Cite magazine\"] = 1,\n [\"Cite web\"] = 4,\n [\"Clear\"] = 1,\n [\"Commons category\"] = 1,\n [\"Convert\"] = 4,\n [\"Coord\"] = 1,\n [\"Cretaceous Footer\"] = 1,\n [\"Dictionary.com\"] = 1,\n [\"Further\"] = 1,\n [\"Geological history\"] = 1,\n [\"IPAc-en\"] = 1,\n [\"Infobox geologic timespan\"] = 1,\n [\"Lang\"] = 2,\n [\"Main\"] = 1,\n [\"Mdash\"] = 2,\n [\"Nowrap\"] = 2,\n [\"Period color\"] = 14,\n [\"Portal\"] = 1,\n [\"Reflist\"] = 1,\n [\"Respell\"] = 1,\n [\"See also\"] = 3,\n [\"Sfn\"] = 6,\n [\"Short description\"] = 1,\n [\"Tsp\"] = 4,\n [\"Wiktionary\"] = 1,\n}\narticle_whitelist = table#1 {\n}\nciteref_patterns = table#1 {\n}\ntable#1 {\n [\"size\"] = \"tiny\",\n}\ntable#1 {\n [\"size\"] = \"tiny\",\n}\n","limitreport-profile":[["?","380","23.5"],["MediaWiki\\Extension\\Scribunto\\Engines\\LuaSandbox\\LuaSandboxCallback::callParserFunction","200","12.3"],["recursiveClone \u003CmwInit.lua:45\u003E","160","9.9"],["\u003Cmw.lua:694\u003E","100","6.2"],["dataWrapper \u003Cmw.lua:672\u003E","100","6.2"],["MediaWiki\\Extension\\Scribunto\\Engines\\LuaSandbox\\LuaSandboxCallback::find","80","4.9"],["MediaWiki\\Extension\\Scribunto\\Engines\\LuaSandbox\\LuaSandboxCallback::gsub","80","4.9"],["(for generator)","60","3.7"],["MediaWiki\\Extension\\Scribunto\\Engines\\LuaSandbox\\LuaSandboxCallback::match","60","3.7"],["MediaWiki\\Extension\\Scribunto\\Engines\\LuaSandbox\\LuaSandboxCallback::sub","60","3.7"],["[others]","340","21.0"]]},"cachereport":{"origin":"mw-web.codfw.main-54bc5bdf84-vpn6n","timestamp":"20250217162607","ttl":2592000,"transientcontent":false}}});});</script> <script type="application/ld+json">{"@context":"https:\/\/schema.org","@type":"Article","name":"Cretaceous","url":"https:\/\/en.wikipedia.org\/wiki\/Cretaceous","sameAs":"http:\/\/www.wikidata.org\/entity\/Q44626","mainEntity":"http:\/\/www.wikidata.org\/entity\/Q44626","author":{"@type":"Organization","name":"Contributors to Wikimedia projects"},"publisher":{"@type":"Organization","name":"Wikimedia Foundation, Inc.","logo":{"@type":"ImageObject","url":"https:\/\/www.wikimedia.org\/static\/images\/wmf-hor-googpub.png"}},"datePublished":"2001-04-28T10:57:29Z","dateModified":"2025-02-15T11:01:50Z","image":"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/f\/f4\/Mollweide_Paleographic_Map_of_Earth%2C_105_Ma_%28Albian_Age%29.png","headline":"third and final period of the Mesozoic Era"}</script> </body> </html>