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Available in 71 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-71" 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">71 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/Oligoseen" title="Oligoseen – Afrikaans" lang="af" hreflang="af" data-title="Oligoseen" data-language-autonym="Afrikaans" data-language-local-name="Afrikaans" class="interlanguage-link-target"><span>Afrikaans</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%A3%D9%88%D9%84%D9%8A%D8%BA%D9%88%D8%B3%D9%8A%D9%86%D9%8A" title="العصر الأوليغوسيني – Arabic" lang="ar" hreflang="ar" data-title="العصر الأوليغوسيني" 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/Oligocenu" title="Oligocenu – Asturian" lang="ast" hreflang="ast" data-title="Oligocenu" 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/Oliqotsen" title="Oliqotsen – Azerbaijani" lang="az" hreflang="az" data-title="Oliqotsen" data-language-autonym="Azərbaycanca" data-language-local-name="Azerbaijani" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-zh-min-nan mw-list-item"><a href="https://zh-min-nan.wikipedia.org/wiki/Chi%C4%81m-sin-s%C3%A8" title="Chiām-sin-sè – Minnan" lang="nan" hreflang="nan" data-title="Chiām-sin-sè" 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-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%90%D0%BB%D1%96%D0%B3%D0%B0%D1%86%D1%8D%D0%BD" title="Алігацэн – Belarusian" lang="be" hreflang="be" data-title="Алігацэн" data-language-autonym="Беларуская" data-language-local-name="Belarusian" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%9E%D0%BB%D0%B8%D0%B3%D0%BE%D1%86%D0%B5%D0%BD" title="Олигоцен – Bulgarian" lang="bg" hreflang="bg" data-title="Олигоцен" 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/Oligocen" title="Oligocen – Bosnian" lang="bs" hreflang="bs" data-title="Oligocen" 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/Oligosen" title="Oligosen – Breton" lang="br" hreflang="br" data-title="Oligosen" data-language-autonym="Brezhoneg" data-language-local-name="Breton" class="interlanguage-link-target"><span>Brezhoneg</span></a></li><li class="interlanguage-link interwiki-ca badge-Q17437796 badge-featuredarticle mw-list-item" title="featured article badge"><a href="https://ca.wikipedia.org/wiki/Oligoc%C3%A8" title="Oligocè – Catalan" lang="ca" hreflang="ca" data-title="Oligocè" data-language-autonym="Català" data-language-local-name="Catalan" 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/Oligoc%C3%A9n" title="Oligocén – Czech" lang="cs" hreflang="cs" data-title="Oligocén" 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/Oligosen" title="Oligosen – Welsh" lang="cy" hreflang="cy" data-title="Oligosen" 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/Oligoc%C3%A6n" title="Oligocæn – Danish" lang="da" hreflang="da" data-title="Oligocæn" 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/Oligoz%C3%A4n" title="Oligozän – German" lang="de" hreflang="de" data-title="Oligozän" 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/Oligotseen" title="Oligotseen – Estonian" lang="et" hreflang="et" data-title="Oligotseen" 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%9F%CE%BB%CE%B9%CE%B3%CF%8C%CE%BA%CE%B1%CE%B9%CE%BD%CE%BF" title="Ολιγόκαινο – Greek" lang="el" hreflang="el" data-title="Ολιγόκαινο" data-language-autonym="Ελληνικά" data-language-local-name="Greek" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Oligocene" title="Oligocene – English" lang="en" hreflang="en" data-title="Oligocene" data-language-autonym="English" data-language-local-name="English" 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/Oligoceno" title="Oligoceno – Spanish" lang="es" hreflang="es" data-title="Oligoceno" 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/Oligoceno" title="Oligoceno – Esperanto" lang="eo" hreflang="eo" data-title="Oligoceno" 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/Oligozeno" title="Oligozeno – Basque" lang="eu" hreflang="eu" data-title="Oligozeno" 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/%D8%A7%D9%84%DB%8C%DA%AF%D9%88%D8%B3%D9%86" title="الیگوسن – Persian" lang="fa" hreflang="fa" data-title="الیگوسن" 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/Oligoc%C3%A8ne" title="Oligocène – French" lang="fr" hreflang="fr" data-title="Oligocène" 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_Sealad_Olagaic%C3%A9ineach" title="An Sealad Olagaicéineach – Irish" lang="ga" hreflang="ga" data-title="An Sealad Olagaicéineach" 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/Oligoceno" title="Oligoceno – Galician" lang="gl" hreflang="gl" data-title="Oligoceno" 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/%EC%98%AC%EB%A6%AC%EA%B3%A0%EC%84%B8" title="올리고세 – Korean" lang="ko" hreflang="ko" data-title="올리고세" data-language-autonym="한국어" data-language-local-name="Korean" 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%93%E0%A4%B2%E0%A4%BF%E0%A4%97%E0%A5%8B%E0%A4%B8%E0%A5%80%E0%A4%A8_%E0%A4%AF%E0%A5%81%E0%A4%97" title="ओलिगोसीन युग – Hindi" lang="hi" hreflang="hi" data-title="ओलिगोसीन युग" 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/Oligocen" title="Oligocen – Croatian" lang="hr" hreflang="hr" data-title="Oligocen" 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/Oligosen" title="Oligosen – Indonesian" lang="id" hreflang="id" data-title="Oligosen" 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-is mw-list-item"><a href="https://is.wikipedia.org/wiki/%C3%93l%C3%ADg%C3%B3sent%C3%ADmabili%C3%B0" title="Ólígósentímabilið – Icelandic" lang="is" hreflang="is" data-title="Ólígósentímabilið" 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/Oligocene" title="Oligocene – Italian" lang="it" hreflang="it" data-title="Oligocene" 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%90%D7%95%D7%9C%D7%99%D7%92%D7%95%D7%A7%D7%9F" title="אוליגוקן – Hebrew" lang="he" hreflang="he" data-title="אוליגוקן" data-language-autonym="עברית" data-language-local-name="Hebrew" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-kn mw-list-item"><a href="https://kn.wikipedia.org/wiki/%E0%B2%86%E0%B2%B2%E0%B2%BF%E0%B2%97%E0%B3%8A%E0%B2%B8%E0%B3%80%E0%B2%A8%E0%B3%8D" title="ಆಲಿಗೊಸೀನ್ – Kannada" lang="kn" hreflang="kn" data-title="ಆಲಿಗೊಸೀನ್" data-language-autonym="ಕನ್ನಡ" data-language-local-name="Kannada" class="interlanguage-link-target"><span>ಕನ್ನಡ</span></a></li><li class="interlanguage-link interwiki-ka mw-list-item"><a href="https://ka.wikipedia.org/wiki/%E1%83%9D%E1%83%9A%E1%83%98%E1%83%92%E1%83%9D%E1%83%AA%E1%83%94%E1%83%9C%E1%83%98" title="ოლიგოცენი – Georgian" lang="ka" hreflang="ka" data-title="ოლიგოცენი" 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%9E%D0%BB%D0%B8%D0%B3%D0%BE%D1%86%D0%B5%D0%BD" title="Олигоцен – Kazakh" lang="kk" hreflang="kk" data-title="Олигоцен" data-language-autonym="Қазақша" data-language-local-name="Kazakh" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-la mw-list-item"><a href="https://la.wikipedia.org/wiki/Oligocaenum" title="Oligocaenum – Latin" lang="la" hreflang="la" data-title="Oligocaenum" 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/Oligoc%C4%93ns" title="Oligocēns – Latvian" lang="lv" hreflang="lv" data-title="Oligocēns" 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/Oligozen" title="Oligozen – Luxembourgish" lang="lb" hreflang="lb" data-title="Oligozen" 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/Oligocenas" title="Oligocenas – Lithuanian" lang="lt" hreflang="lt" data-title="Oligocenas" data-language-autonym="Lietuvių" data-language-local-name="Lithuanian" 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/Oligosene" title="Oligosene – Lingua Franca Nova" lang="lfn" hreflang="lfn" data-title="Oligosene" 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/Oligoc%C3%A9n" title="Oligocén – Hungarian" lang="hu" hreflang="hu" data-title="Oligocén" 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%9E%D0%BB%D0%B8%D0%B3%D0%BE%D1%86%D0%B5%D0%BD" title="Олигоцен – Macedonian" lang="mk" hreflang="mk" data-title="Олигоцен" 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%92%E0%B4%B2%E0%B4%BF%E0%B4%97%E0%B5%8B%E0%B4%B8%E0%B5%80%E0%B5%BB" title="ഒലിഗോസീൻ – Malayalam" lang="ml" hreflang="ml" data-title="ഒലിഗോസീൻ" 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/%D8%A7%D9%88%D9%84%DB%8C%DA%AF%D9%88%D8%B3%D9%86" title="اولیگوسن – Mazanderani" lang="mzn" hreflang="mzn" data-title="اولیگوسن" 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/Oligosen" title="Oligosen – Malay" lang="ms" hreflang="ms" data-title="Oligosen" 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-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Oligoceen" title="Oligoceen – Dutch" lang="nl" hreflang="nl" data-title="Oligoceen" data-language-autonym="Nederlands" data-language-local-name="Dutch" 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/%E6%BC%B8%E6%96%B0%E4%B8%96" title="漸新世 – Japanese" lang="ja" hreflang="ja" data-title="漸新世" 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-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Oligocen" title="Oligocen – Norwegian Bokmål" lang="nb" hreflang="nb" data-title="Oligocen" 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/Oligocen" title="Oligocen – Norwegian Nynorsk" lang="nn" hreflang="nn" data-title="Oligocen" 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/Oligoc%C3%A8n" title="Oligocèn – Occitan" lang="oc" hreflang="oc" data-title="Oligocèn" 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/Oligotsen" title="Oligotsen – Uzbek" lang="uz" hreflang="uz" data-title="Oligotsen" 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-pms mw-list-item"><a href="https://pms.wikipedia.org/wiki/Oligocen" title="Oligocen – Piedmontese" lang="pms" hreflang="pms" data-title="Oligocen" 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/Oligoz%C3%A4n" title="Oligozän – Low German" lang="nds" hreflang="nds" data-title="Oligozän" 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/Oligocen" title="Oligocen – Polish" lang="pl" hreflang="pl" data-title="Oligocen" 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/Oligoceno" title="Oligoceno – Portuguese" lang="pt" hreflang="pt" data-title="Oligoceno" 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/Oligocen" title="Oligocen – Romanian" lang="ro" hreflang="ro" data-title="Oligocen" data-language-autonym="Română" data-language-local-name="Romanian" 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%9E%D0%BB%D0%B8%D0%B3%D0%BE%D1%86%D0%B5%D0%BD" title="Олигоцен – Russian" lang="ru" hreflang="ru" data-title="Олигоцен" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-stq mw-list-item"><a href="https://stq.wikipedia.org/wiki/Oligoz%C3%A4n" title="Oligozän – Saterland Frisian" lang="stq" hreflang="stq" data-title="Oligozän" data-language-autonym="Seeltersk" data-language-local-name="Saterland Frisian" class="interlanguage-link-target"><span>Seeltersk</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/Oligoc%C3%A9n" title="Oligocén – Slovak" lang="sk" hreflang="sk" data-title="Oligocén" 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/Oligocen" title="Oligocen – Slovenian" lang="sl" hreflang="sl" data-title="Oligocen" data-language-autonym="Slovenščina" data-language-local-name="Slovenian" 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/%D0%9E%D0%BB%D0%B8%D0%B3%D0%BE%D1%86%D0%B5%D0%BD" title="Олигоцен – Serbian" lang="sr" hreflang="sr" data-title="Олигоцен" 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/Oligocen" title="Oligocen – Serbo-Croatian" lang="sh" hreflang="sh" data-title="Oligocen" 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-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Oligoseeni" title="Oligoseeni – Finnish" lang="fi" hreflang="fi" data-title="Oligoseeni" 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/Oligocen" title="Oligocen – Swedish" lang="sv" hreflang="sv" data-title="Oligocen" 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/Oligoseno" title="Oligoseno – Tagalog" lang="tl" hreflang="tl" data-title="Oligoseno" data-language-autonym="Tagalog" data-language-local-name="Tagalog" class="interlanguage-link-target"><span>Tagalog</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Oligosen" title="Oligosen – Turkish" lang="tr" hreflang="tr" data-title="Oligosen" data-language-autonym="Türkçe" data-language-local-name="Turkish" 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%9E%D0%BB%D1%96%D0%B3%D0%BE%D1%86%D0%B5%D0%BD" title="Олігоцен – Ukrainian" lang="uk" hreflang="uk" data-title="Олігоцен" data-language-autonym="Українська" data-language-local-name="Ukrainian" 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class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">From Simple English Wikipedia, the free encyclopedia</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><p>The <b>Oligocene</b> is the last <a href="/wiki/Geology" title="Geology">geological</a> epoch in the <a href="/wiki/Palaeogene" title="Palaeogene">Palaeogene</a>. It lasted for about 11 million years, from 34 million years ago to 23 million years ago. It was preceded by the <a href="/wiki/Eocene" title="Eocene">Eocene</a> and followed by the <a href="/wiki/Miocene" title="Miocene">Miocene</a>. During the Oligocene, the world continued to get cooler from its peak in the mid-Eocene. The world was still largely <a href="/wiki/Forest" title="Forest">forested</a>, but <a href="/wiki/Grassland" title="Grassland">grasslands</a> began to spread. <a href="/wiki/Ice" title="Ice">Ice</a> formed in <a href="/wiki/Antarctica" title="Antarctica">Antarctica</a>. The period is seen as one of <i>transition</i>, both in <a href="/wiki/Climate" title="Climate">climate</a> and in the <a href="/wiki/Biota" title="Biota">biota</a>.<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </p> <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=Oligocene&veaction=edit&section=1" title="Change section: References" class="mw-editsection-visualeditor"><span>change</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Oligocene&action=edit&section=1" title="Edit section's source code: References"><span>change source</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r9724317">.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"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><a href="#cite_ref-1">↑</a></span> <span class="reference-text">Haines, Tim 1999. <i>Walking with beasts: a prehistoric safari</i>. New York: Dorling Kindersley.</span> </li> </ol></div></div> <p><br /> </p> <div class="navbox-styles nomobile"><style data-mw-deduplicate="TemplateStyles:r9122492">.mw-parser-output .navbox{box-sizing:border-box;border:1px solid #a2a9b1;width:100%;clear:both;font-size:88%;text-align:center;padding:1px;margin:1em auto 0}.mw-parser-output .navbox .navbox{margin-top:0}.mw-parser-output .navbox+.navbox,.mw-parser-output .navbox+.navbox-styles+.navbox{margin-top:-1px}.mw-parser-output .navbox-inner,.mw-parser-output .navbox-subgroup{width:100%}.mw-parser-output .navbox-group,.mw-parser-output .navbox-title,.mw-parser-output .navbox-abovebelow{padding:0.25em 1em;line-height:1.5em;text-align:center}.mw-parser-output .navbox-group{white-space:nowrap;text-align:right}.mw-parser-output .navbox,.mw-parser-output .navbox-subgroup{background-color:#fdfdfd}.mw-parser-output .navbox-list{line-height:1.5em;border-color:#fdfdfd}.mw-parser-output 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a>span,.mw-parser-output .navbar a>abbr{text-decoration:inherit}.mw-parser-output .navbar-mini abbr{font-variant:small-caps;border-bottom:none;text-decoration:none;cursor:inherit}.mw-parser-output .navbar-ct-full{font-size:114%;margin:0 7em}.mw-parser-output .navbar-ct-mini{font-size:114%;margin:0 4em}</style><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" style=";;background:none transparent;border:none;box-shadow:none;padding:0;">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" style=";;background:none transparent;border:none;box-shadow:none;padding:0;">t</abbr></a></li><li class="nv-edit"><a class="external text" href="https://simple.wikipedia.org/w/index.php?title=Template:Geological_history_of_Earth&action=edit"><abbr title="Edit this template" style=";;background:none transparent;border:none;box-shadow:none;padding:0;">e</abbr></a></li></ul></div><div id="Geological_history_of_Earth" 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/Cainozoic" title="Cainozoic">Cenozoic era<br /><style data-mw-deduplicate="TemplateStyles:r6670383">'"`UNIQ--templatestyles-00000007-QINU`"'</style><span class="nobold">(the last 66 million years)</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:20.5em"><a href="/wiki/Quaternary" title="Quaternary">Quaternary <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r6670383"><span class="nobold">(the last 2.588 million years)</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 (the last 11,650 years)</a></li> <li><a href="/wiki/Pleistocene" title="Pleistocene">Pleistocene (11,650 years ago–2.588 million years ago)</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:20.5em"><a href="/wiki/Neogene" title="Neogene">Neogene <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r6670383"><span class="nobold">(2.588 million years ago–23.03</span></a> <a href="/wiki/Mya" class="mw-redirect" title="Mya">mya</a><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r6670383"><span class="nobold">)</span></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 (2.588–5.333 mya)</a></li> <li><a href="/wiki/Miocene" title="Miocene">Miocene (5.333–23.03 mya)</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:20.5em"><a href="/wiki/Palaeogene" title="Palaeogene">Palaeogene <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r6670383"><span class="nobold">(23.03 million years ago–66 mya)</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 class="mw-selflink selflink">Oligocene (23.03–33.9 mya)</a></li> <li><a href="/wiki/Eocene" title="Eocene">Eocene (33.9–56.0 mya)</a></li> <li><a href="/wiki/Palaeocene" title="Palaeocene">Palaeocene (56.0–66.0 mya)</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 /><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r6670383"><span class="nobold">(66 million years ago–251.902 mya)</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:20.5em"><a href="/wiki/Cretaceous" title="Cretaceous">Cretaceous <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r6670383"><span class="nobold">(66 million years ago–145.0 mya)</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" class="mw-redirect" title="Late Cretaceous">Late (66.0–100.5 mya)</a></li> <li><a href="/wiki/Early_Cretaceous" class="mw-redirect" title="Early Cretaceous">Early (100.5–145.0 mya)</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:20.5em"><a href="/wiki/Jurassic" title="Jurassic">Jurassic <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r6670383"><span class="nobold">(145 million years ago–201.3 mya)</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" class="mw-redirect" title="Late Jurassic">Late (145.0–163.5 mya)</a></li> <li><a href="/wiki/Middle_Jurassic" title="Middle Jurassic">Middle (163.5–174.1 mya)</a></li> <li><a href="/wiki/Early_Jurassic" class="mw-redirect" title="Early Jurassic">Early (174.1–201.3 mya)</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:20.5em"><a href="/wiki/Triassic" title="Triassic">Triassic <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r6670383"><span class="nobold">(201.3–251.902 mya)</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" class="mw-redirect" title="Late Triassic">Late (201.3–237 mya)</a></li> <li><a href="/wiki/Middle_Triassic" title="Middle Triassic">Middle (237–247.2 mya)</a></li> <li><a href="/wiki/Early_Triassic" class="mw-redirect" title="Early Triassic">Early (247.2–251.902 mya)</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/Palaeozoic" title="Palaeozoic">Palaeozoic era<br /><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r6670383"><span class="nobold">(251.902–541.0 mya)</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:20.5em"><a href="/wiki/Permian" title="Permian">Permian <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r6670383"><span class="nobold">(251.902–298.9 mya)</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="/w/index.php?title=Lopingian&action=edit&redlink=1" class="new" title="Lopingian (not yet started)">Lopingian (251.902–259.8 mya)</a></li> <li><a href="/w/index.php?title=Guadalupian&action=edit&redlink=1" class="new" title="Guadalupian (not yet started)">Guadalupian (259.8–272.3 mya)</a></li> <li><a href="/wiki/Cisuralian" title="Cisuralian">Cisuralian (272.3–298.9 mya)</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:20.5em"><a href="/wiki/Carboniferous" title="Carboniferous">Carboniferous <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r6670383"><span class="nobold">(298.9–358.9 mya)</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" title="Pennsylvanian">Pennsylvanian (298.9–323.2 mya)</a></li> <li><a href="/wiki/Mississippian" class="mw-redirect" title="Mississippian">Mississippian (323.2–358.9 mya)</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:20.5em"><a href="/wiki/Devonian" title="Devonian">Devonian <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r6670383"><span class="nobold">(358.9–419.2 mya)</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="/w/index.php?title=Late_Devonian&action=edit&redlink=1" class="new" title="Late Devonian (not yet started)">Late (358.9–382.7 mya)</a></li> <li><a href="/w/index.php?title=Middle_Devonian&action=edit&redlink=1" class="new" title="Middle Devonian (not yet started)">Middle (382.7–393.3 mya)</a></li> <li><a href="/wiki/Early_Devonian" class="mw-redirect" title="Early Devonian">Early (393.3–419.2 mya)</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:20.5em"><a href="/wiki/Silurian" title="Silurian">Silurian <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r6670383"><span class="nobold">(419.2–443.8 Mya)</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="/w/index.php?title=Pridoli_epoch&action=edit&redlink=1" class="new" title="Pridoli epoch (not yet started)">Pridoli (419.2–423.0 mya)</a></li> <li><a href="/w/index.php?title=Ludlow_epoch&action=edit&redlink=1" class="new" title="Ludlow epoch (not yet started)">Ludlow (423.0–427.4 mya)</a></li> <li><a href="/wiki/Wenlock_(Silurian)" class="mw-redirect" title="Wenlock (Silurian)">Wenlock (427.4–433.4 mya)</a></li> <li><a href="/w/index.php?title=Llandovery_epoch&action=edit&redlink=1" class="new" title="Llandovery epoch (not yet started)">Llandovery (433.4–443.8 mya)</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:20.5em"><a href="/wiki/Ordovician" title="Ordovician">Ordovician <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r6670383"><span class="nobold">(443.8–485.4 mya)</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="/w/index.php?title=Late_Ordovician&action=edit&redlink=1" class="new" title="Late Ordovician (not yet started)">Late (443.8–458.4 mya)</a></li> <li><a href="/w/index.php?title=Middle_Ordovician&action=edit&redlink=1" class="new" title="Middle Ordovician (not yet started)">Middle (458.4–470.0 mya)</a></li> <li><a href="/w/index.php?title=Early_Ordovician&action=edit&redlink=1" class="new" title="Early Ordovician (not yet started)">Early (470.0–485.4 mya)</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:20.5em"><a href="/wiki/Cambrian" title="Cambrian">Cambrian <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r6670383"><span class="nobold">(485.4–541.0 mya)</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="/w/index.php?title=Furongian&action=edit&redlink=1" class="new" title="Furongian (not yet started)">Furongian (485.4–497 mya)</a></li> <li><a href="/w/index.php?title=Miaolingian&action=edit&redlink=1" class="new" title="Miaolingian (not yet started)">Miaolingian (497–509 mya)</a></li> <li><a href="/w/index.php?title=Cambrian_Series_2&action=edit&redlink=1" class="new" title="Cambrian Series 2 (not yet started)">Series 2 (509–521 mya)</a></li> <li><a href="/w/index.php?title=Terreneuvian&action=edit&redlink=1" class="new" title="Terreneuvian (not yet started)">Terreneuvian (521–541.0 mya)</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 /><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r6670383"><span class="nobold">(541.0 mya–2.5 Gya)</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:20.5em"><a href="/wiki/Neoproterozoic" title="Neoproterozoic">Neoproterozoic era <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r6670383"><span class="nobold">(541.0 mya–1 Gya)</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 (541.0–~635 mya)</a></li> <li><a href="/wiki/Cryogenian" title="Cryogenian">Cryogenian (~635–~720 mya)</a></li> <li><a href="/wiki/Tonian" title="Tonian">Tonian (~720 mya–1 Gya)</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:20.5em"><a href="/wiki/Mesoproterozoic" title="Mesoproterozoic">Mesoproterozoic era <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r6670383"><span class="nobold">(1–1.6 Gya)</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 Gya)</a></li> <li><a href="/wiki/Ectasian" title="Ectasian">Ectasian (1.2–1.4 Gya)</a></li> <li><a href="/wiki/Calymmian" title="Calymmian">Calymmian (1.4–1.6 Gya)</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:20.5em"><a href="/wiki/Palaeoproterozoic" title="Palaeoproterozoic">Palaeoproterozoic era <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r6670383"><span class="nobold">(1.6–2.5 Gya)</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 Gya)</a></li> <li><a href="/wiki/Orosirian" title="Orosirian">Orosirian (1.8–2.05 Gya)</a></li> <li><a href="/wiki/Rhyacian" title="Rhyacian">Rhyacian (2.05–2.3 Gya)</a></li> <li><a href="/wiki/Siderian" title="Siderian">Siderian (2.3–2.5 Gya)</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" class="mw-redirect" title="Archean">Archean eon <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r6670383"><span class="nobold">(2.5–4 Gya)</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 id="Eras" scope="row" class="navbox-group" style="width:20.5em">Eras</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/Neoarchean" class="mw-redirect" title="Neoarchean">Neoarchean (2.5–2.8 Gya)</a></li> <li><a href="/wiki/Mesoarchean" class="mw-redirect" title="Mesoarchean">Mesoarchean (2.8–3.2 Gya)</a></li> <li><a href="/w/index.php?title=Palaeoarchean&action=edit&redlink=1" class="new" title="Palaeoarchean (not yet started)">Palaeoarchean (3.2–3.6 Gya)</a></li> <li><a href="/wiki/Eoarchean" class="mw-redirect" title="Eoarchean">Eoarchean (3.6–4 Gya)</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/Hadean" title="Hadean">Hadean eon <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r6670383"><span class="nobold">(4–4.6 Gya)</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:20.5em"> </th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> </div></td></tr></tbody></table><div></div></td></tr><tr><td class="navbox-abovebelow" colspan="2"><div><a href="/w/index.php?title=Tya_(unit)&action=edit&redlink=1" class="new" title="Tya (unit) (not yet started)">kya</a> = thousands years ago. <a href="/wiki/Mya_(unit)" title="Mya (unit)">mya</a> = millions years ago. <a href="/w/index.php?title=Billion_years&action=edit&redlink=1" class="new" title="Billion years (not yet started)">Gya</a> = billions years ago. <br /><i>See also:</i> <a href="/wiki/Geologic_time_scale" title="Geologic time scale">Geologic time scale</a>,</div></td></tr></tbody></table></div> <div style="clear:both;" class=""></div> <div class="boilerplate metadata plainlinks" id="stub"><span typeof="mw:File"><a href="/wiki/File:Morpho_menelaus_huebneri_MHNT_Male_Dos.jpg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/2/23/Morpho_menelaus_huebneri_MHNT_Male_Dos.jpg/30px-Morpho_menelaus_huebneri_MHNT_Male_Dos.jpg" decoding="async" width="30" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/2/23/Morpho_menelaus_huebneri_MHNT_Male_Dos.jpg/45px-Morpho_menelaus_huebneri_MHNT_Male_Dos.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/2/23/Morpho_menelaus_huebneri_MHNT_Male_Dos.jpg/60px-Morpho_menelaus_huebneri_MHNT_Male_Dos.jpg 2x" data-file-width="4468" data-file-height="3578" /></a></span> <i>This <a href="/wiki/Wikipedia:Stub" title="Wikipedia:Stub">short article</a> about <a href="/wiki/Category:Biology_stubs" title="Category:Biology 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