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Krit-tertiær-utryddinga – Wikipedia

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[o]" accesskey="o"><span class="vector-icon mw-ui-icon-logIn mw-ui-icon-wikimedia-logIn"></span> <span>Logg inn</span></a></li> </ul> </div> </div> <div id="p-user-menu-anon-editor" class="vector-menu mw-portlet mw-portlet-user-menu-anon-editor" > <div class="vector-menu-heading"> Sider for utlogga bidragsytarar <a href="/wiki/Hjelp:Introduksjon" aria-label="Lær meir om redigering"><span>lær meir</span></a> </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-anoncontribs" class="mw-list-item"><a href="/wiki/Spesial:Bidraga_mine" title="Liste over endringar gjorde frå denne IP-adressa [y]" accesskey="y"><span>Bidrag</span></a></li><li id="pt-anontalk" class="mw-list-item"><a href="/wiki/Spesial:Diskusjonssida_mi" title="Diskusjon om endringar gjorde av denne ip-adressa [n]" accesskey="n"><span>Diskusjon</span></a></li> </ul> </div> </div> </div> </div> </nav> </div> </header> </div> <div class="mw-page-container"> <div class="mw-page-container-inner"> <div class="vector-sitenotice-container"> <div id="siteNotice"><!-- CentralNotice --></div> </div> <div class="vector-column-start"> <div class="vector-main-menu-container"> <div id="mw-navigation"> <nav id="mw-panel" class="vector-main-menu-landmark" aria-label="Nettstad"> <div id="vector-main-menu-pinned-container" class="vector-pinned-container"> </div> </nav> </div> </div> <div class="vector-sticky-pinned-container"> <nav id="mw-panel-toc" aria-label="Innhald" data-event-name="ui.sidebar-toc" class="mw-table-of-contents-container vector-toc-landmark"> <div id="vector-toc-pinned-container" class="vector-pinned-container"> <div id="vector-toc" class="vector-toc vector-pinnable-element"> <div class="vector-pinnable-header vector-toc-pinnable-header vector-pinnable-header-pinned" data-feature-name="toc-pinned" data-pinnable-element-id="vector-toc" > <h2 class="vector-pinnable-header-label">Innhald</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">flytt til sidefeltet</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">gøym</button> </div> <ul class="vector-toc-contents" id="mw-panel-toc-list"> <li id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">Byrjinga</div> </a> </li> <li id="toc-Kjelder" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Kjelder"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Kjelder</span> </div> </a> <ul id="toc-Kjelder-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Bakgrunnsstoff" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Bakgrunnsstoff"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Bakgrunnsstoff</span> </div> </a> <ul id="toc-Bakgrunnsstoff-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="Innhald" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <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="Vis/skjul innhaldslista" > <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">Vis/skjul innhaldslista</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">Krit-tertiær-utryddinga</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="Gå til ein artikkel på eit anna språk. Tilgjengeleg på 60 språk" > <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-60" 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">60 språk</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Kritt-paleogen-utryddelsen" title="Kritt-paleogen-utryddelsen – norsk bokmål" lang="nb" hreflang="nb" data-title="Kritt-paleogen-utryddelsen" data-language-autonym="Norsk bokmål" data-language-local-name="norsk bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Krita%E2%80%93terti%C3%A4r-gr%C3%A4nsen" title="Krita–tertiär-gränsen – svensk" lang="sv" hreflang="sv" data-title="Krita–tertiär-gränsen" data-language-autonym="Svenska" data-language-local-name="svensk" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/K/Pg-gr%C3%A6nse" title="K/Pg-grænse – dansk" lang="da" hreflang="da" data-title="K/Pg-grænse" data-language-autonym="Dansk" data-language-local-name="dansk" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-af badge-Q17437796 badge-featuredarticle mw-list-item" title="god artikkel"><a href="https://af.wikipedia.org/wiki/Kryt-Paleogeen-uitwissing" title="Kryt-Paleogeen-uitwissing – afrikaans" lang="af" hreflang="af" data-title="Kryt-Paleogeen-uitwissing" data-language-autonym="Afrikaans" data-language-local-name="afrikaans" class="interlanguage-link-target"><span>Afrikaans</span></a></li><li class="interlanguage-link interwiki-ar badge-Q17437796 badge-featuredarticle mw-list-item" title="god artikkel"><a href="https://ar.wikipedia.org/wiki/%D8%A7%D9%86%D9%82%D8%B1%D8%A7%D8%B6_%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_%D8%A7%D9%84%D8%A8%D8%A7%D9%84%D9%8A%D9%88%D8%AC%D9%8A%D9%86%D9%8A" title="انقراض العصر الطباشيري الباليوجيني – arabisk" lang="ar" hreflang="ar" data-title="انقراض العصر الطباشيري الباليوجيني" data-language-autonym="العربية" data-language-local-name="arabisk" 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/Estinci%C3%B3n_masiva_del_Cret%C3%A1cicu-Pale%C3%B3xenu" title="Estinción masiva del Cretácicu-Paleóxenu – asturisk" lang="ast" hreflang="ast" data-title="Estinción masiva del Cretácicu-Paleóxenu" data-language-autonym="Asturianu" data-language-local-name="asturisk" class="interlanguage-link-target"><span>Asturianu</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%95%E0%A7%8D%E0%A6%B0%E0%A6%BF%E0%A6%9F%E0%A7%87%E0%A6%B6%E0%A6%BF%E0%A6%AF%E0%A6%BC%E0%A6%BE%E0%A6%B8%E2%80%93%E0%A6%AA%E0%A7%8D%E0%A6%AF%E0%A6%BE%E0%A6%B2%E0%A6%BF%E0%A6%93%E0%A6%9C%E0%A6%BF%E0%A6%A8_%E0%A6%AC%E0%A6%BF%E0%A6%B2%E0%A7%81%E0%A6%AA%E0%A7%8D%E0%A6%A4%E0%A6%BF%E0%A6%B0_%E0%A6%98%E0%A6%9F%E0%A6%A8%E0%A6%BE" title="ক্রিটেশিয়াস–প্যালিওজিন বিলুপ্তির ঘটনা – bengali" lang="bn" hreflang="bn" data-title="ক্রিটেশিয়াস–প্যালিওজিন বিলুপ্তির ঘটনা" data-language-autonym="বাংলা" data-language-local-name="bengali" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%9C%D0%B0%D1%81%D0%BE%D0%B2%D0%BE_%D0%B8%D0%B7%D0%BC%D0%B8%D1%80%D0%B0%D0%BD%D0%B5_%D0%BA%D1%80%D0%B5%D0%B4%D0%B0_%E2%80%93_%D1%82%D0%B5%D1%80%D1%86%D0%B8%D0%B5%D1%80" title="Масово измиране креда – терциер – bulgarsk" lang="bg" hreflang="bg" data-title="Масово измиране креда – терциер" data-language-autonym="Български" data-language-local-name="bulgarsk" 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/Kredno-paleogensko_izumiranje" title="Kredno-paleogensko izumiranje – bosnisk" lang="bs" hreflang="bs" data-title="Kredno-paleogensko izumiranje" data-language-autonym="Bosanski" data-language-local-name="bosnisk" class="interlanguage-link-target"><span>Bosanski</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Extinci%C3%B3_del_Cretaci-Paleogen" title="Extinció del Cretaci-Paleogen – katalansk" lang="ca" hreflang="ca" data-title="Extinció del Cretaci-Paleogen" data-language-autonym="Català" data-language-local-name="katalansk" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Vym%C3%ADr%C3%A1n%C3%AD_na_konci_k%C5%99%C3%ADdy" title="Vymírání na konci křídy – tsjekkisk" lang="cs" hreflang="cs" data-title="Vymírání na konci křídy" data-language-autonym="Čeština" data-language-local-name="tsjekkisk" 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/Digwyddiad_difodiant_Cretasaidd-Paleogenaidd" title="Digwyddiad difodiant Cretasaidd-Paleogenaidd – walisisk" lang="cy" hreflang="cy" data-title="Digwyddiad difodiant Cretasaidd-Paleogenaidd" data-language-autonym="Cymraeg" data-language-local-name="walisisk" class="interlanguage-link-target"><span>Cymraeg</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_-_%CE%A0%CE%B1%CE%BB%CE%B1%CE%B9%CE%BF%CE%B3%CE%B5%CE%BD%CE%AE%CF%82_%CE%B5%CE%BE%CE%B1%CF%86%CE%AC%CE%BD%CE%B9%CF%83%CE%B7" title="Κρητιδική - Παλαιογενής εξαφάνιση – gresk" lang="el" hreflang="el" data-title="Κρητιδική - Παλαιογενής εξαφάνιση" data-language-autonym="Ελληνικά" data-language-local-name="gresk" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-en badge-Q17437796 badge-featuredarticle mw-list-item" title="god artikkel"><a href="https://en.wikipedia.org/wiki/Cretaceous%E2%80%93Paleogene_extinction_event" title="Cretaceous–Paleogene extinction event – engelsk" lang="en" hreflang="en" data-title="Cretaceous–Paleogene extinction event" data-language-autonym="English" data-language-local-name="engelsk" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Extinci%C3%B3n_masiva_del_Cret%C3%A1cico-Pale%C3%B3geno" title="Extinción masiva del Cretácico-Paleógeno – spansk" lang="es" hreflang="es" data-title="Extinción masiva del Cretácico-Paleógeno" data-language-autonym="Español" data-language-local-name="spansk" 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/Kretacea-terciara_evento" title="Kretacea-terciara evento – esperanto" lang="eo" hreflang="eo" data-title="Kretacea-terciara evento" 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/Kretazeo-Tertziarioko_iraungipen_masiboa" title="Kretazeo-Tertziarioko iraungipen masiboa – baskisk" lang="eu" hreflang="eu" data-title="Kretazeo-Tertziarioko iraungipen masiboa" data-language-autonym="Euskara" data-language-local-name="baskisk" 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/%D8%B1%D9%88%DB%8C%D8%AF%D8%A7%D8%AF_%D8%A7%D9%86%D9%82%D8%B1%D8%A7%D8%B6_%DA%A9%D8%B1%D8%AA%D8%A7%D8%B3%D9%87%E2%80%93%D9%BE%D8%A7%D9%84%D8%A6%D9%88%DA%98%D9%86" title="رویداد انقراض کرتاسه–پالئوژن – persisk" lang="fa" hreflang="fa" data-title="رویداد انقراض کرتاسه–پالئوژن" data-language-autonym="فارسی" data-language-local-name="persisk" 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/Extinction_Cr%C3%A9tac%C3%A9-Pal%C3%A9og%C3%A8ne" title="Extinction Crétacé-Paléogène – fransk" lang="fr" hreflang="fr" data-title="Extinction Crétacé-Paléogène" data-language-autonym="Français" data-language-local-name="fransk" 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/D%C3%ADobha%C3%AD_K-T" title="Díobhaí K-T – irsk" lang="ga" hreflang="ga" data-title="Díobhaí K-T" data-language-autonym="Gaeilge" data-language-local-name="irsk" 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/Extinci%C3%B3n_dos_dinosauros" title="Extinción dos dinosauros – galisisk" lang="gl" hreflang="gl" data-title="Extinción dos dinosauros" data-language-autonym="Galego" data-language-local-name="galisisk" 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-%EA%B3%A0%EC%A7%84%EA%B8%B0_%EB%8C%80%EB%9F%89%EC%A0%88%EB%A9%B8" title="백악기-고진기 대량절멸 – koreansk" lang="ko" hreflang="ko" data-title="백악기-고진기 대량절멸" data-language-autonym="한국어" data-language-local-name="koreansk" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%95%E0%A5%8D%E0%A4%B0%E0%A5%80%E0%A4%9F%E0%A5%87%E0%A4%B6%E0%A4%B8-%E0%A4%AA%E0%A5%88%E0%A4%B2%E0%A4%BF%E0%A4%AF%E0%A5%8B%E0%A4%9C%E0%A5%80%E0%A4%A8_%E0%A4%B5%E0%A4%BF%E0%A4%B2%E0%A5%81%E0%A4%AA%E0%A5%8D%E0%A4%A4%E0%A4%BF_%E0%A4%98%E0%A4%9F%E0%A4%A8%E0%A4%BE" title="क्रीटेशस-पैलियोजीन विलुप्ति घटना – hindi" lang="hi" hreflang="hi" data-title="क्रीटेशस-पैलियोजीन विलुप्ति घटना" data-language-autonym="हिन्दी" data-language-local-name="hindi" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Peristiwa_kepunahan_Kapur%E2%80%93Paleogen" title="Peristiwa kepunahan Kapur–Paleogen – indonesisk" lang="id" hreflang="id" data-title="Peristiwa kepunahan Kapur–Paleogen" data-language-autonym="Bahasa Indonesia" data-language-local-name="indonesisk" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Estinzione_di_massa_del_Cretaceo-Paleogene" title="Estinzione di massa del Cretaceo-Paleogene – italiensk" lang="it" hreflang="it" data-title="Estinzione di massa del Cretaceo-Paleogene" data-language-autonym="Italiano" data-language-local-name="italiensk" 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%94%D7%9B%D7%97%D7%93%D7%AA_%D7%A7%D7%A8%D7%98%D7%99%D7%A7%D7%95%D7%9F-%D7%A4%D7%9C%D7%90%D7%95%D7%92%D7%9F" title="הכחדת קרטיקון-פלאוגן – hebraisk" lang="he" hreflang="he" data-title="הכחדת קרטיקון-פלאוגן" data-language-autonym="עברית" data-language-local-name="hebraisk" 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%9E%E1%83%90%E1%83%9A%E1%83%94%E1%83%9D%E1%83%92%E1%83%94%E1%83%9C%E1%83%A3%E1%83%A0%E1%83%98_%E1%83%92%E1%83%90%E1%83%93%E1%83%90%E1%83%A8%E1%83%94%E1%83%9C%E1%83%94%E1%83%91%E1%83%90" title="ცარცულ-პალეოგენური გადაშენება – georgisk" lang="ka" hreflang="ka" data-title="ცარცულ-პალეოგენური გადაშენება" data-language-autonym="ქართული" data-language-local-name="georgisk" class="interlanguage-link-target"><span>ქართული</span></a></li><li class="interlanguage-link interwiki-la mw-list-item"><a href="https://la.wikipedia.org/wiki/Exstinctio_Cretacea-Palaeogenica" title="Exstinctio Cretacea-Palaeogenica – latin" lang="la" hreflang="la" data-title="Exstinctio Cretacea-Palaeogenica" 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%ABta-terci%C4%81ra_masveida_izmir%C5%A1ana" title="Krīta-terciāra masveida izmiršana – latvisk" lang="lv" hreflang="lv" data-title="Krīta-terciāra masveida izmiršana" data-language-autonym="Latviešu" data-language-local-name="latvisk" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Kreidos-terciaro_masinis_r%C5%AB%C5%A1i%C5%B3_i%C5%A1nykimas" title="Kreidos-terciaro masinis rūšių išnykimas – litauisk" lang="lt" hreflang="lt" data-title="Kreidos-terciaro masinis rūšių išnykimas" data-language-autonym="Lietuvių" data-language-local-name="litauisk" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-lfn mw-list-item"><a href="https://lfn.wikipedia.org/wiki/Estingui_de_la_cretasica-paleojen" title="Estingui de la cretasica-paleojen – lingua franca nova" lang="lfn" hreflang="lfn" data-title="Estingui de la cretasica-paleojen" 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%E2%80%93tercier_kihal%C3%A1si_esem%C3%A9ny" title="Kréta–tercier kihalási esemény – ungarsk" lang="hu" hreflang="hu" data-title="Kréta–tercier kihalási esemény" data-language-autonym="Magyar" data-language-local-name="ungarsk" class="interlanguage-link-target"><span>Magyar</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_-_%E0%B4%9F%E0%B5%86%E0%B5%BC%E0%B4%B7%E0%B5%8D%E0%B4%AF%E0%B4%B1%E0%B4%BF_%E0%B4%B5%E0%B4%82%E0%B4%B6%E0%B4%A8%E0%B4%BE%E0%B4%B6%E0%B4%82" title="ക്രിറ്റേഷ്യസ് - ടെർഷ്യറി വംശനാശം – malayalam" lang="ml" hreflang="ml" data-title="ക്രിറ്റേഷ്യസ് - ടെർഷ്യറി വംശനാശം" data-language-autonym="മലയാളം" data-language-local-name="malayalam" class="interlanguage-link-target"><span>മലയാളം</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Peristiwa_kepupusan_Kapur-Paleogen" title="Peristiwa kepupusan Kapur-Paleogen – malayisk" lang="ms" hreflang="ms" data-title="Peristiwa kepupusan Kapur-Paleogen" data-language-autonym="Bahasa Melayu" data-language-local-name="malayisk" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-nl badge-Q17437796 badge-featuredarticle mw-list-item" title="god artikkel"><a href="https://nl.wikipedia.org/wiki/Krijt-Paleogeengrens" title="Krijt-Paleogeengrens – nederlandsk" lang="nl" hreflang="nl" data-title="Krijt-Paleogeengrens" data-language-autonym="Nederlands" data-language-local-name="nederlandsk" class="interlanguage-link-target"><span>Nederlands</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%E3%81%A8%E5%8F%A4%E7%AC%AC%E4%B8%89%E7%B4%80%E3%81%AE%E9%96%93%E3%81%AE%E5%A4%A7%E9%87%8F%E7%B5%B6%E6%BB%85" title="白亜紀と古第三紀の間の大量絶滅 – japansk" lang="ja" hreflang="ja" data-title="白亜紀と古第三紀の間の大量絶滅" data-language-autonym="日本語" data-language-local-name="japansk" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-nrm mw-list-item"><a href="https://nrm.wikipedia.org/wiki/Grand_mortiment_du_Cr%C3%A9tachi" title="Grand mortiment du Crétachi – Norman" lang="nrf" hreflang="nrf" data-title="Grand mortiment du Crétachi" data-language-autonym="Nouormand" data-language-local-name="Norman" class="interlanguage-link-target"><span>Nouormand</span></a></li><li class="interlanguage-link interwiki-oc mw-list-item"><a href="https://oc.wikipedia.org/wiki/Extincion_del_Cretac%C3%A8u-Paleog%C3%A8n" title="Extincion del Cretacèu-Paleogèn – oksitansk" lang="oc" hreflang="oc" data-title="Extincion del Cretacèu-Paleogèn" data-language-autonym="Occitan" data-language-local-name="oksitansk" class="interlanguage-link-target"><span>Occitan</span></a></li><li class="interlanguage-link interwiki-ps mw-list-item"><a href="https://ps.wikipedia.org/wiki/%D8%AF_%DA%A9%D8%B1%DB%90%D9%BC%DB%8C%D8%B3%D9%88%D8%B3_%E2%80%93_%D9%BE%D8%A7%D9%84%D8%A6%D9%88%D8%AC%DB%90%D9%86_%D9%88%D8%B1%DA%A9%DB%90%D8%AF%D9%88_%D9%BE%DB%90%DA%9A%D9%87" title="د کرېټیسوس – پالئوجېن ورکېدو پېښه – pashto" lang="ps" hreflang="ps" data-title="د کرېټیسوس – پالئوجېن ورکېدو پېښه" data-language-autonym="پښتو" data-language-local-name="pashto" class="interlanguage-link-target"><span>پښتو</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Wymieranie_kredowe" title="Wymieranie kredowe – polsk" lang="pl" hreflang="pl" data-title="Wymieranie kredowe" data-language-autonym="Polski" data-language-local-name="polsk" 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/Extin%C3%A7%C3%A3o_do_Cret%C3%A1ceo-Paleogeno" title="Extinção do Cretáceo-Paleogeno – portugisisk" lang="pt" hreflang="pt" data-title="Extinção do Cretáceo-Paleogeno" data-language-autonym="Português" data-language-local-name="portugisisk" 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/Extinc%C8%9Bia_Cretacic%E2%80%93Paleogen" title="Extincția Cretacic–Paleogen – rumensk" lang="ro" hreflang="ro" data-title="Extincția Cretacic–Paleogen" data-language-autonym="Română" data-language-local-name="rumensk" class="interlanguage-link-target"><span>Română</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%BF%D0%B0%D0%BB%D0%B5%D0%BE%D0%B3%D0%B5%D0%BD%D0%BE%D0%B2%D0%BE%D0%B5_%D0%B2%D1%8B%D0%BC%D0%B8%D1%80%D0%B0%D0%BD%D0%B8%D0%B5" title="Мел-палеогеновое вымирание – russisk" lang="ru" hreflang="ru" data-title="Мел-палеогеновое вымирание" data-language-autonym="Русский" data-language-local-name="russisk" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/K/T_extinction_event" title="K/T extinction event – enkel engelsk" lang="en-simple" hreflang="en-simple" data-title="K/T extinction event" data-language-autonym="Simple English" data-language-local-name="enkel engelsk" 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/Vymieranie_na_konci_kriedy" title="Vymieranie na konci kriedy – slovakisk" lang="sk" hreflang="sk" data-title="Vymieranie na konci kriedy" data-language-autonym="Slovenčina" data-language-local-name="slovakisk" 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/Kredno%E2%80%93terciarno_izumrtje" title="Kredno–terciarno izumrtje – slovensk" lang="sl" hreflang="sl" data-title="Kredno–terciarno izumrtje" data-language-autonym="Slovenščina" data-language-local-name="slovensk" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/Kredno%E2%80%93paleogeni_doga%C4%91aj_izumiranja" title="Kredno–paleogeni događaj izumiranja – serbisk" lang="sr" hreflang="sr" data-title="Kredno–paleogeni događaj izumiranja" data-language-autonym="Српски / srpski" data-language-local-name="serbisk" 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/K-T_izumiranje" title="K-T izumiranje – serbokroatisk" lang="sh" hreflang="sh" data-title="K-T izumiranje" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="serbokroatisk" 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/Peristiwa_Kapunahan_Kapur-T%C3%A9rsi%C3%A9r" title="Peristiwa Kapunahan Kapur-Térsiér – sundanesisk" lang="su" hreflang="su" data-title="Peristiwa Kapunahan Kapur-Térsiér" data-language-autonym="Sunda" data-language-local-name="sundanesisk" 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/Liitukauden_joukkosukupuutto" title="Liitukauden joukkosukupuutto – finsk" lang="fi" hreflang="fi" data-title="Liitukauden joukkosukupuutto" data-language-autonym="Suomi" data-language-local-name="finsk" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-tl mw-list-item"><a href="https://tl.wikipedia.org/wiki/Pagkalipol_noong_panahong_Kretasiko%E2%80%93Paleoheno" title="Pagkalipol noong panahong Kretasiko–Paleoheno – tagalog" lang="tl" hreflang="tl" data-title="Pagkalipol noong panahong Kretasiko–Paleoheno" data-language-autonym="Tagalog" data-language-local-name="tagalog" class="interlanguage-link-target"><span>Tagalog</span></a></li><li class="interlanguage-link interwiki-tt mw-list-item"><a href="https://tt.wikipedia.org/wiki/%D0%94%D0%B8%D0%BD%D0%BE%D0%B7%D0%B0%D0%B2%D1%80%D0%BB%D0%B0%D1%80%D0%BD%D1%8B%D2%A3_%D1%8E%D0%BA%D0%BA%D0%B0_%D1%87%D1%8B%D0%B3%D1%83%D1%8B" title="Динозаврларның юкка чыгуы – tatarisk" lang="tt" hreflang="tt" data-title="Динозаврларның юкка чыгуы" data-language-autonym="Татарча / tatarça" data-language-local-name="tatarisk" class="interlanguage-link-target"><span>Татарча / tatarça</span></a></li><li class="interlanguage-link interwiki-te mw-list-item"><a href="https://te.wikipedia.org/wiki/%E0%B0%95%E0%B1%8D%E0%B0%B0%E0%B1%86%E0%B0%9F%E0%B1%87%E0%B0%B7%E0%B0%B8%E0%B1%8D-%E0%B0%AA%E0%B0%BE%E0%B0%B2%E0%B0%BF%E0%B0%AF%E0%B1%8B%E0%B0%9C%E0%B1%80%E0%B0%A8%E0%B1%8D_%E0%B0%B5%E0%B0%BF%E0%B0%B2%E0%B1%81%E0%B0%AA%E0%B1%8D%E0%B0%A4%E0%B0%BF_%E0%B0%98%E0%B0%9F%E0%B0%A8" title="క్రెటేషస్-పాలియోజీన్ విలుప్తి ఘటన – telugu" lang="te" hreflang="te" data-title="క్రెటేషస్-పాలియోజీన్ విలుప్తి ఘటన" data-language-autonym="తెలుగు" data-language-local-name="telugu" class="interlanguage-link-target"><span>తెలుగు</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B9%80%E0%B8%AB%E0%B8%95%E0%B8%B8%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%93%E0%B9%8C%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%AA%E0%B8%B9%E0%B8%8D%E0%B8%9E%E0%B8%B1%E0%B8%99%E0%B8%98%E0%B8%B8%E0%B9%8C%E0%B8%A2%E0%B8%B8%E0%B8%84%E0%B8%84%E0%B8%A3%E0%B8%B5%E0%B9%80%E0%B8%97%E0%B9%80%E0%B8%8A%E0%B8%B5%E0%B8%A2%E0%B8%AA%E2%80%93%E0%B8%9E%E0%B8%B2%E0%B8%A5%E0%B8%B5%E0%B9%82%E0%B8%AD%E0%B8%88%E0%B8%B5%E0%B8%99" title="เหตุการณ์การสูญพันธุ์ยุคครีเทเชียส–พาลีโอจีน – thai" lang="th" hreflang="th" data-title="เหตุการณ์การสูญพันธุ์ยุคครีเทเชียส–พาลีโอจีน" data-language-autonym="ไทย" data-language-local-name="thai" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Kretase-Paleojen_yok_olu%C5%9Fu" title="Kretase-Paleojen yok oluşu – tyrkisk" lang="tr" hreflang="tr" data-title="Kretase-Paleojen yok oluşu" data-language-autonym="Türkçe" data-language-local-name="tyrkisk" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%9A%D1%80%D0%B5%D0%B9%D0%B4%D0%BE%D0%B2%D0%B5_%D0%B2%D0%B8%D0%BC%D0%B8%D1%80%D0%B0%D0%BD%D0%BD%D1%8F" title="Крейдове вимирання – ukrainsk" lang="uk" hreflang="uk" data-title="Крейдове вимирання" data-language-autonym="Українська" data-language-local-name="ukrainsk" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-ur mw-list-item"><a href="https://ur.wikipedia.org/wiki/%DA%A9%D8%B1%DB%8C%D9%B9%DB%8C%D8%B4%DB%8C%D8%A7%D8%B3%E2%80%93%D9%BE%D9%84%D8%A7%DA%AF%D9%88%DB%8C%D9%86_%D9%85%D8%B9%D8%AF%D9%88%D9%85%DB%8C%D8%AA_%DA%A9%D8%A7_%D9%88%D8%A7%D9%82%D8%B9%DB%81" title="کریٹیشیاس–پلاگوین معدومیت کا واقعہ – urdu" lang="ur" hreflang="ur" data-title="کریٹیشیاس–پلاگوین معدومیت کا واقعہ" data-language-autonym="اردو" data-language-local-name="urdu" class="interlanguage-link-target"><span>اردو</span></a></li><li class="interlanguage-link interwiki-vi badge-Q17437796 badge-featuredarticle mw-list-item" title="god artikkel"><a href="https://vi.wikipedia.org/wiki/S%E1%BB%B1_ki%E1%BB%87n_tuy%E1%BB%87t_ch%E1%BB%A7ng_Ph%E1%BA%A5n_Tr%E1%BA%AFng_%E2%80%93_C%E1%BB%95_C%E1%BA%ADn" title="Sự kiện tuyệt chủng Phấn Trắng – Cổ Cận – vietnamesisk" lang="vi" hreflang="vi" data-title="Sự kiện tuyệt chủng Phấn Trắng – Cổ Cận" data-language-autonym="Tiếng Việt" data-language-local-name="vietnamesisk" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/%E7%99%BD%E5%A0%8A%E7%B4%80-%E5%8F%A4%E8%BF%91%E7%B4%80%E6%BB%85%E7%B5%95%E4%BA%8B%E4%BB%B6" title="白堊紀-古近紀滅絕事件 – kantonesisk" lang="yue" hreflang="yue" data-title="白堊紀-古近紀滅絕事件" 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class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="nn" dir="ltr"><figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/Fil:KT_boundary_054.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/0/06/KT_boundary_054.jpg/220px-KT_boundary_054.jpg" decoding="async" width="220" height="165" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/0/06/KT_boundary_054.jpg/330px-KT_boundary_054.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/0/06/KT_boundary_054.jpg/440px-KT_boundary_054.jpg 2x" data-file-width="1600" data-file-height="1200" /></a><figcaption><a href="/w/index.php?title=Badlands&amp;action=edit&amp;redlink=1" class="new" title="Badlands (sida finst ikkje)">Badlands</a> nær <a href="/w/index.php?title=Drumheller_i_Alberta&amp;action=edit&amp;redlink=1" class="new" title="Drumheller i Alberta (sida finst ikkje)">Drumheller i Alberta</a> der erosjon har brakt K-T-grensa fram i dagen.</figcaption></figure> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/Fil:KPg_stevns.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/c/c6/KPg_stevns.png/220px-KPg_stevns.png" decoding="async" width="220" height="163" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/c6/KPg_stevns.png/330px-KPg_stevns.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/c6/KPg_stevns.png/440px-KPg_stevns.png 2x" data-file-width="1268" data-file-height="939" /></a><figcaption>På <a href="/wiki/Stevns_Klint" title="Stevns Klint">Stevns Klint</a> på <a href="/wiki/Stevns" title="Stevns">Stevns</a> på <a href="/wiki/Sj%C3%A6lland" title="Sjælland">Sjælland</a> i <a href="/wiki/Danmark" title="Danmark">Danmark</a> ligg òg K-T-grensa i dagen, merka med raud pil på fotografiet.</figcaption></figure> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/Fil:K-T_boundary.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/5/57/K-T_boundary.jpg/220px-K-T_boundary.jpg" decoding="async" width="220" height="140" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/57/K-T_boundary.jpg/330px-K-T_boundary.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/57/K-T_boundary.jpg/440px-K-T_boundary.jpg 2x" data-file-width="720" data-file-height="458" /></a><figcaption>K–T-grensa langs <a href="/w/index.php?title=Interstate_25&amp;action=edit&amp;redlink=1" class="new" title="Interstate 25 (sida finst ikkje)">Interstate 25</a> nær <a href="/w/index.php?title=Raton_Pass&amp;action=edit&amp;redlink=1" class="new" title="Raton Pass (sida finst ikkje)">Raton Pass</a> i <a href="/wiki/Colorado" title="Colorado">Colorado</a>. Den <a href="/wiki/Iridium" title="Iridium">iridiumrike</a> oska (grensa) er indikert av ei raud pil.</figcaption></figure> <p><b>Krit-tertiær-utryddinga</b>, som skjedde for om lag 65,5 millionar år sidan, var ei omfattande <a href="/wiki/Masseutrydding" title="Masseutrydding">masseutrydding</a> av dyr og planter i løpet av eit geologisk kort tidsrom. Hendinga vert òg kalla <i>K-T-utryddinga</i> og er knytt til <a href="/w/index.php?title=K-T-grensa&amp;action=edit&amp;redlink=1" class="new" title="K-T-grensa (sida finst ikkje)">K-T-grensa</a>, som er eit tynt lag med sediment som er funne forskjellige stader på jorda. <i>K</i> er forkorting for den <a href="/wiki/Geologisk_%C3%A6ra" class="mw-redirect" title="Geologisk æra">geologiske æraen</a> <a href="/wiki/Krittida" title="Krittida">krit</a> og <i>T</i> for <a href="/wiki/Terti%C3%A6r" class="mw-redirect" title="Tertiær">tertiær</a>, eit historisk uttrykk for perioden som i dag er dekt av <a href="/wiki/Paleogen" title="Paleogen">paleogen</a> og <a href="/wiki/Neogen" title="Neogen">neogen</a>. Hendinga markerer slutten på <a href="/wiki/Mesozoikum" title="Mesozoikum">mesozoikum</a> og byrjinga på <a href="/wiki/Kenozoikum" title="Kenozoikum">kenozoikum</a>.<sup id="cite_ref-Fortey_1-0" class="reference"><a href="#cite_note-Fortey-1"><span class="cite-bracket">&#91;</span>1<span class="cite-bracket">&#93;</span></a></sup> <a href="/wiki/International_Commission_on_Stratigraphy" title="International Commission on Stratigraphy">International Commission on Stratigraphy</a> oppfordrar til å unngå bruk av uttrykket «tertiær», så K-T-utryddinga vert derfor av mange forskarar i dag kalla <b>krit-paleogen-utryddinga</b> (eller K-Pg). </p><p>Det er funne <a href="/wiki/Fossil" title="Fossil">fossil</a> av <a href="/wiki/Dinosaur" class="mw-redirect" title="Dinosaur">dinosaurar</a> like under K-T-grensa og alle dinosaurar, bortsett frå <a href="/w/index.php?title=Fugledinosaurar&amp;action=edit&amp;redlink=1" class="new" title="Fugledinosaurar (sida finst ikkje)">fugledinosaurar</a>, døydde ut like før eller under hendinga.<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">&#91;</span>2<span class="cite-bracket">&#93;</span></a></sup> Det er funne nokre få dinosaurfossil over K-T-grensa, men desse funna vert forklart å vere «omarbeidd», fossil som har vorte erodet bort frå sine opphavlege plasseringar og så bevart i seinare <a href="/wiki/Sediment" title="Sediment">sedimentlag</a>.<sup id="cite_ref-Sloan_3-0" class="reference"><a href="#cite_note-Sloan-3"><span class="cite-bracket">&#91;</span>3<span class="cite-bracket">&#93;</span></a></sup><sup id="cite_ref-Fassett_4-0" class="reference"><a href="#cite_note-Fassett-4"><span class="cite-bracket">&#91;</span>4<span class="cite-bracket">&#93;</span></a></sup><sup id="cite_ref-Sullivan_5-0" class="reference"><a href="#cite_note-Sullivan-5"><span class="cite-bracket">&#91;</span>5<span class="cite-bracket">&#93;</span></a></sup> <a href="/w/index.php?title=Mosasaur&amp;action=edit&amp;redlink=1" class="new" title="Mosasaur (sida finst ikkje)">Mosasaurar</a>, <a href="/w/index.php?title=Svane%C3%B8gler&amp;action=edit&amp;redlink=1" class="new" title="Svaneøgler (sida finst ikkje)">svaneøgler</a>, <a href="/wiki/Flyge%C3%B8gler" class="mw-redirect" title="Flygeøgler">flygeøgler</a> og mange planteartar og <a href="/wiki/Virvellause_dyr" title="Virvellause dyr">virvellause dyr</a> døydde òg ut. <a href="/wiki/Klade" class="mw-redirect" title="Klade">Kladar</a> av <a href="/wiki/Pattedyr" title="Pattedyr">pattedyr</a> og fuglar klarte seg godt gjennom hendinga og kor mange kladar som vart utrydda og som fylte dei tomme økologiske nisjane som oppstod varierte stort.<sup id="cite_ref-MacLeod_6-0" class="reference"><a href="#cite_note-MacLeod-6"><span class="cite-bracket">&#91;</span>6<span class="cite-bracket">&#93;</span></a></sup> </p><p>Forskarar har lagt fram teoriar om at K-T-utryddinga oppstod på grunn av ei eller fleire katastrofale hendingar, som eit massivt <a href="/wiki/Asteroide" title="Asteroide">asteroidenedslag</a> eller auka <a href="/wiki/Vulkan" title="Vulkan">vulkansk</a> aktivitet. Fleire <a href="/wiki/Nedslagskrater" title="Nedslagskrater">nedslagskrater</a> og massive vulkanar i <a href="/w/index.php?title=Deccan-trappene&amp;action=edit&amp;redlink=1" class="new" title="Deccan-trappene (sida finst ikkje)">Deccan-trappene</a> har vorte datert til omtrent tida då utryddinga skjedde. Desse geologiske hendingane kan ha redusert <a href="/wiki/Sollys" class="mw-redirect" title="Sollys">sollys</a> og hindra <a href="/wiki/Fotosyntese" title="Fotosyntese">fotosyntesen</a> slik at <a href="/wiki/%C3%98kologi" title="Økologi">økologien</a> på jorda vart hardt råka. Andre forskarar meiner at utryddinga skjedde gradvis på grunn av endringar i havnivået eller <a href="/wiki/Klima" title="Klima">klima</a>.<sup id="cite_ref-MacLeod_6-1" class="reference"><a href="#cite_note-MacLeod-6"><span class="cite-bracket">&#91;</span>6<span class="cite-bracket">&#93;</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Kjelder">Kjelder</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Krit-terti%C3%A6r-utryddinga&amp;veaction=edit&amp;section=1" title="Endre bolk: Kjelder" class="mw-editsection-visualeditor"><span>endre</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Krit-terti%C3%A6r-utryddinga&amp;action=edit&amp;section=1" title="Rediger kildekoden til seksjonen Kjelder"><span>endre wikiteksten</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="references-small"> <ul><li><i>Denne artikkelen bygger på «<a href="https://en.wikipedia.org/wiki/Cretaceous%E2%80%93Tertiary_extinction_event" class="extiw" title="en:Cretaceous–Tertiary extinction event">Cretaceous–Tertiary extinction event</a>» frå <a href="https://en.wikipedia.org/wiki/Main_Page" class="extiw" title="en:Main Page">Wikipedia på engelsk</a>, den 23. august 2008.</i> <ul><li><i><a href="https://en.wikipedia.org/wiki/Main_Page" class="extiw" title="en:Main Page">Wikipedia på engelsk</a> oppgav desse kjeldene:</i></li></ul></li></ul> </div> <style data-mw-deduplicate="TemplateStyles:r3318915">.mw-parser-output .reflist{font-size:90%;margin-bottom:0.5em;list-style-type:decimal}.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"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-Fortey-1"><span class="mw-cite-backlink"><a href="#cite_ref-Fortey_1-0">↑</a></span> <span class="reference-text"><cite class="citation book">Fortey R (1999). <i>Life: A Natural History of the First Four Billion Years of Life on Earth</i>. Vintage. s.&#160;238–260. <a href="/wiki/International_Standard_Book_Number" class="mw-redirect" title="International Standard Book Number">ISBN</a>&#160;<a href="/wiki/Spesial:Bokkjelder/978-0375702617" title="Spesial:Bokkjelder/978-0375702617">978-0375702617</a>.</cite><span title="ctx_ver=Z39.88-2004&amp;rfr_id=info%3Asid%2Fnn.wikipedia.org%3AKrit-terti%C3%A6r-utryddinga&amp;rft.au=Fortey+R&amp;rft.btitle=Life%3A+A+Natural+History+of+the+First+Four+Billion+Years+of+Life+on+Earth&amp;rft.date=1999&amp;rft.genre=book&amp;rft.isbn=978-0375702617&amp;rft.pages=238-260&amp;rft.pub=Vintage&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook" class="Z3988"><span style="display:none;">&#160;</span></span></span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><a href="#cite_ref-2">↑</a></span> <span class="reference-text"><cite class="citation journal">Fastovsky DE; Sheehan PM (2005). <a rel="nofollow" class="external text" href="http://www.gsajournals.org/perlserv/?request=get-document&amp;doi=10.1130%2F1052-5173%282005%29015%3C4%3ATEOTDI%3E2.0.CO%3B2">«The extinction of the dinosaurs in North America»</a>. <i>GSA Today</i> <b>15</b> (3): 4–10. <a href="/wiki/Digital_object_identifier" title="Digital object identifier">doi</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1130%2F1052-5173%282005%29015%3C4%3ATEOTDI%3E2.0.CO%3B2">10.1130/1052-5173(2005)015&#60;4:TEOTDI&#62;2.0.CO&#59;2</a><span class="reference-accessdate">. Henta 23. august 2008</span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rfr_id=info%3Asid%2Fnn.wikipedia.org%3AKrit-terti%C3%A6r-utryddinga&amp;rft.atitle=The+extinction+of+the+dinosaurs+in+North+America&amp;rft.au=Fastovsky+DE&amp;rft.au=Sheehan+PM&amp;rft.date=2005&amp;rft.genre=article&amp;rft.issue=3&amp;rft.jtitle=GSA+Today&amp;rft.pages=4-10&amp;rft.volume=15&amp;rft_id=http%3A%2F%2Fwww.gsajournals.org%2Fperlserv%2F%3Frequest%3Dget-document%26doi%3D10.1130%252F1052-5173%25282005%2529015%253C4%253ATEOTDI%253E2.0.CO%253B2&amp;rft_id=info%3Adoi%2F10.1130%2F1052-5173%282005%29015%3C4%3ATEOTDI%3E2.0.CO%3B2&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal" class="Z3988"><span style="display:none;">&#160;</span></span></span> </li> <li id="cite_note-Sloan-3"><span class="mw-cite-backlink"><a href="#cite_ref-Sloan_3-0">↑</a></span> <span class="reference-text"><cite class="citation journal">Robert E. Sloan; J. Keith Rigby Jr.; Leigh M. Van Valen; Diane Gabriel (1986). <a rel="nofollow" class="external text" href="http://www.sciencemag.org/cgi/content/abstract/232/4750/629">«Gradual dinosaur extinction og simultaneous ungulate radiation in the Hell Creek formation»</a>. <i>Science</i> <b>232</b> (4750): 629–633. <a href="/wiki/PubMed_Identifier" class="mw-redirect" title="PubMed Identifier">PMID</a>&#160;<a rel="nofollow" class="external text" href="//www.ncbi.nlm.nih.gov/pubmed/17781415">17781415</a><span class="reference-accessdate">. Henta 18. mai 2007</span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rfr_id=info%3Asid%2Fnn.wikipedia.org%3AKrit-terti%C3%A6r-utryddinga&amp;rft.atitle=Gradual+dinosaur+extinction+og+simultaneous+ungulate+radiation+in+the+Hell+Creek+formation&amp;rft.au=Diane+Gabriel&amp;rft.au=J.+Keith+Rigby+Jr.&amp;rft.au=Leigh+M.+Van+Valen&amp;rft.au=Robert+E.+Sloan&amp;rft.date=1986&amp;rft.genre=article&amp;rft.issue=4750&amp;rft.jtitle=Science&amp;rft.pages=629-633&amp;rft.volume=232&amp;rft_id=http%3A%2F%2Fwww.sciencemag.org%2Fcgi%2Fcontent%2Fabstract%2F232%2F4750%2F629&amp;rft_id=info%3Apmid%2F17781415&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal" class="Z3988"><span style="display:none;">&#160;</span></span></span> </li> <li id="cite_note-Fassett-4"><span class="mw-cite-backlink"><a href="#cite_ref-Fassett_4-0">↑</a></span> <span class="reference-text"><cite class="citation journal">Fassett JE; Lucas SG; Zielinski RA; Budahn JR (2001). <a rel="nofollow" class="external text" href="http://www.lpi.usra.edu/meetings/impact2000/pdf/3139.pdf">«Compelling new evidence for Paleocene dinosaurs in the Ojo Alamo Sandstone San Juan Basin, New Mexico og Colorado, USA»</a> <span style="font-size:85%;">(PDF)</span>. <i>International Conference on Catastrophic Events og Mass Extinctions: Impacts og Beyond, 9-12 July 2000, Vienna, Austria</i> <b>1053</b>: 45–46<span class="reference-accessdate">. Henta 23. august 2008</span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rfr_id=info%3Asid%2Fnn.wikipedia.org%3AKrit-terti%C3%A6r-utryddinga&amp;rft.atitle=Compelling+new+evidence+for+Paleocene+dinosaurs+in+the+Ojo+Alamo+Sandstone+San+Juan+Basin%2C+New+Mexico+og+Colorado%2C+USA&amp;rft.au=Budahn+JR&amp;rft.au=Fassett+JE&amp;rft.au=Lucas+SG&amp;rft.au=Zielinski+RA&amp;rft.date=2001&amp;rft.genre=article&amp;rft.jtitle=International+Conference+on+Catastrophic+Events+og+Mass+Extinctions%3A+Impacts+og+Beyond%2C+9-12+July+2000%2C+Vienna%2C+Austria&amp;rft.pages=45-46&amp;rft.volume=1053&amp;rft_id=http%3A%2F%2Fwww.lpi.usra.edu%2Fmeetings%2Fimpact2000%2Fpdf%2F3139.pdf&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal" class="Z3988"><span style="display:none;">&#160;</span></span></span> </li> <li id="cite_note-Sullivan-5"><span class="mw-cite-backlink"><a href="#cite_ref-Sullivan_5-0">↑</a></span> <span class="reference-text"><cite class="citation journal">Sullivan RM (2003). <a rel="nofollow" class="external text" href="http://gsa.confex.com/gsa/2003RM/finalprogram/abstract_47695.htm">«No Paleocene dinosaurs in the San Juan Basin, New Mexico»</a>. <i>Geological Society of America Abstracts with Programs</i> <b>35</b> (5): 15<span class="reference-accessdate">. Henta 23. august 2008</span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rfr_id=info%3Asid%2Fnn.wikipedia.org%3AKrit-terti%C3%A6r-utryddinga&amp;rft.atitle=No+Paleocene+dinosaurs+in+the+San+Juan+Basin%2C+New+Mexico&amp;rft.au=Sullivan+RM&amp;rft.date=2003&amp;rft.genre=article&amp;rft.issue=5&amp;rft.jtitle=Geological+Society+of+America+Abstracts+with+Programs&amp;rft.pages=15&amp;rft.volume=35&amp;rft_id=http%3A%2F%2Fgsa.confex.com%2Fgsa%2F2003RM%2Ffinalprogram%2Fabstract_47695.htm&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal" class="Z3988"><span style="display:none;">&#160;</span></span></span> </li> <li id="cite_note-MacLeod-6"><span class="mw-cite-backlink">↑ <sup><a href="#cite_ref-MacLeod_6-0">6,0</a></sup> <sup><a href="#cite_ref-MacLeod_6-1">6,1</a></sup></span> <span class="reference-text"><cite class="citation journal">MacLeod N; Rawson PF; Forey PL; Banner FT; Boudagher-Fadel MK; Bown PR; Burnett JA, Chambers P; Culver S; Evans SE; Jeffery C; Kaminski MA; Lord AR; Milner AC; Milner AR; Morris N; Owen E; Rosen BR; Smith AB; Taylor PD; Urquhart E; Young JR (1997). <a rel="nofollow" class="external text" href="http://findarticles.com/p/articles/mi_qa3721/is_199703/ai_n8738406/print">«The Cretaceous–Tertiary biotic transition»</a>. <i>Journal of the Geological Society</i> <b>154</b> (2): 265–292. <a href="/wiki/Digital_object_identifier" title="Digital object identifier">doi</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1144%2Fgsjgs.154.2.0265">10.1144/gsjgs.154.2.0265</a>.</cite><span title="ctx_ver=Z39.88-2004&amp;rfr_id=info%3Asid%2Fnn.wikipedia.org%3AKrit-terti%C3%A6r-utryddinga&amp;rft.atitle=The+Cretaceous%93Tertiary+biotic+transition&amp;rft.au=Banner+FT&amp;rft.au=Boudagher-Fadel+MK&amp;rft.au=Bown+PR&amp;rft.au=Burnett+JA%2C+Chambers+P&amp;rft.au=Culver+S&amp;rft.au=Evans+SE&amp;rft.au=Forey+PL&amp;rft.au=Jeffery+C&amp;rft.au=Kaminski+MA&amp;rft.au=Lord+AR&amp;rft.au=MacLeod+N&amp;rft.au=Milner+AC&amp;rft.au=Milner+AR&amp;rft.au=Morris+N&amp;rft.au=Owen+E&amp;rft.au=Rawson+PF&amp;rft.au=Rosen+BR&amp;rft.au=Smith+AB&amp;rft.au=Taylor+PD&amp;rft.au=Urquhart+E&amp;rft.au=Young+JR&amp;rft.date=1997&amp;rft.genre=article&amp;rft.issue=2&amp;rft.jtitle=Journal+of+the+Geological+Society&amp;rft.pages=265-292&amp;rft.volume=154&amp;rft_id=http%3A%2F%2Ffindarticles.com%2Fp%2Farticles%2Fmi_qa3721%2Fis_199703%2Fai_n8738406%2Fprint&amp;rft_id=info%3Adoi%2F10.1144%2Fgsjgs.154.2.0265&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal" class="Z3988"><span style="display:none;">&#160;</span></span></span> </li> </ol></div></div> <div class="mw-heading mw-heading2"><h2 id="Bakgrunnsstoff">Bakgrunnsstoff</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Krit-terti%C3%A6r-utryddinga&amp;veaction=edit&amp;section=2" title="Endre bolk: Bakgrunnsstoff" class="mw-editsection-visualeditor"><span>endre</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Krit-terti%C3%A6r-utryddinga&amp;action=edit&amp;section=2" title="Rediger kildekoden til seksjonen Bakgrunnsstoff"><span>endre wikiteksten</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="interbox"> <div style="display: table-cell; vertical-align: middle;"><span typeof="mw:File"><span><img src="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/15px-Commons-logo.svg.png" decoding="async" width="15" height="20" class="mw-file-element" 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padding-top:0.75em;">&#8194;</div><div id="bar-spacer" style="float:left; height:100%; width:0.1%; background-color:black; border-top:none; border-bottom:none; padding-top:0.75em;">&#8194;</div><div id="bar" style="float:left; height:100%; text-align:center; background-color:rgb(98,196,221); width:30.504483333333%; border-top:none; border-bottom:none; padding-top:0.75em;">Mesozoikum</div><div id="bar-spacer" style="float:left; height:100%; width:0.1%; background-color:black; border-top:none; border-bottom:none; padding-top:0.75em;">&#8194;</div><div id="bar-spacer" style="float:left; height:100%; width:0.1%; background-color:black; border-top:none; border-bottom:none; padding-top:0.75em;">&#8194;</div><div id="bar" style="float:left; height:100%; text-align:center; background-color:rgb(242,249,2); width:10.618416666667%; border-top:none; border-bottom:none; padding-top:0.75em;">Kenozoikum</div><div id="bar-spacer" style="float:left; height:100%; width:0.1%; background-color:black; border-top:none; border-bottom:none; padding-top:0.75em;">&#8194;</div></div><div style="clear:both;width:99.3%;max-width:99.1%;border-top:0.1em solid black;height:1em"></div> <div id="Scale" style="clear:both;position:relative;top:-1.4em;left:-0.2em;width:100%;padding:0;height:2.5em"> <div style="float:left;overflow:visible;width:0%;">&#8194;</div><div style="float:left; overflow:visible; width:8.2583333333333%;">|<div style="font-size:86%; position:relative; left:-1.8em; width:3.6em; overflow:visible; text-align:center">-600</div></div><div style="float:left; overflow:visible; width:8.2583333333333%;">|<div style="font-size:86%; position:relative; left:-1.8em; width:3.6em; overflow:visible; text-align:center">-550</div></div><div style="float:left; overflow:visible; width:8.2583333333333%;">|<div style="font-size:86%; position:relative; left:-1.8em; width:3.6em; overflow:visible; text-align:center">-500</div></div><div style="float:left; overflow:visible; width:8.2583333333333%;">|<div style="font-size:86%; position:relative; left:-1.8em; width:3.6em; overflow:visible; text-align:center">-450</div></div><div style="float:left; overflow:visible; width:8.2583333333333%;">|<div style="font-size:86%; position:relative; left:-1.8em; width:3.6em; overflow:visible; text-align:center">-400</div></div><div style="float:left; overflow:visible; width:8.2583333333333%;">|<div style="font-size:86%; position:relative; left:-1.8em; width:3.6em; overflow:visible; text-align:center">-350</div></div><div style="float:left; overflow:visible; width:8.2583333333333%;">|<div style="font-size:86%; position:relative; left:-1.8em; width:3.6em; overflow:visible; text-align:center">-300</div></div><div style="float:left; overflow:visible; width:8.2583333333333%;">|<div style="font-size:86%; position:relative; left:-1.8em; width:3.6em; overflow:visible; text-align:center">-250</div></div><div style="float:left; overflow:visible; width:8.2583333333333%;">|<div style="font-size:86%; position:relative; left:-1.8em; width:3.6em; overflow:visible; text-align:center">-200</div></div><div style="float:left; overflow:visible; width:8.2583333333333%;">|<div style="font-size:86%; position:relative; left:-1.8em; width:3.6em; overflow:visible; text-align:center">-150</div></div><div style="float:left; overflow:visible; width:8.2583333333333%;">|<div style="font-size:86%; position:relative; left:-1.8em; width:3.6em; overflow:visible; text-align:center">-100</div></div><div style="float:left; overflow:visible; width:8.2583333333333%;">|<div style="font-size:86%; position:relative; left:-1.8em; width:3.6em; overflow:visible; text-align:center">-50</div></div><div style="float:left; overflow:visible; width:0;">|<div style="font-size:86%; position:relative; left:-2em; width:4em; text-align:center">0</div></div></div></div><p style="clear:both; text-align:center;">Millionar år sidan</p></div></td></tr></tbody></table></div> <!-- NewPP limit report Parsed by 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