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Era - Simple English Wikipedia, the free encyclopedia
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Available in 53 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-53" 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">53 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/Era_(geologie)" title="Era (geologie) – Afrikaans" lang="af" hreflang="af" data-title="Era (geologie)" 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%AD%D9%82%D8%A8%D8%A9_(%D8%AC%D9%8A%D9%88%D9%84%D9%88%D8%AC%D9%8A%D8%A7)" title="حقبة (جيولوجيا) – Arabic" lang="ar" hreflang="ar" data-title="حقبة (جيولوجيا)" data-language-autonym="العربية" data-language-local-name="Arabic" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%93%D0%B5%D0%B0%D0%BB%D0%B0%D0%B3%D1%96%D1%87%D0%BD%D0%B0%D1%8F_%D1%8D%D1%80%D0%B0" title="Геалагічная эра – Belarusian" lang="be" hreflang="be" data-title="Геалагічная эра" 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%95%D1%80%D0%B0_(%D0%B3%D0%B5%D0%BE%D0%BB%D0%BE%D0%B3%D0%B8%D1%8F)" title="Ера (геология) – Bulgarian" lang="bg" hreflang="bg" data-title="Ера (геология)" 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/Geolo%C5%A1ka_era" title="Geološka era – Bosnian" lang="bs" hreflang="bs" data-title="Geološka era" data-language-autonym="Bosanski" data-language-local-name="Bosnian" 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/Era_geol%C3%B2gica" title="Era geològica – Catalan" lang="ca" hreflang="ca" data-title="Era geològica" data-language-autonym="Català" data-language-local-name="Catalan" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cy mw-list-item"><a href="https://cy.wikipedia.org/wiki/Gorgyfnod_(daeareg)" title="Gorgyfnod (daeareg) – Welsh" lang="cy" hreflang="cy" data-title="Gorgyfnod (daeareg)" 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/%C3%86ra_(geologi)" title="Æra (geologi) – Danish" lang="da" hreflang="da" data-title="Æra (geologi)" 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/%C3%84ra_(Geologie)" title="Ära (Geologie) – German" lang="de" hreflang="de" data-title="Ära (Geologie)" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/Aegkond" title="Aegkond – Estonian" lang="et" hreflang="et" data-title="Aegkond" data-language-autonym="Eesti" data-language-local-name="Estonian" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-en badge-Q70893996 mw-list-item" title=""><a href="https://en.wikipedia.org/wiki/Era_(geology)" title="Era (geology) – English" lang="en" hreflang="en" data-title="Era (geology)" 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/Era_geol%C3%B3gica" title="Era geológica – Spanish" lang="es" hreflang="es" data-title="Era geológica" 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/Erao_(tempo)" title="Erao (tempo) – Esperanto" lang="eo" hreflang="eo" data-title="Erao (tempo)" 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/Aro_(geologia)" title="Aro (geologia) – Basque" lang="eu" hreflang="eu" data-title="Aro (geologia)" 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%AF%D9%88%D8%B1%D8%A7%D9%86_(%D8%B2%D9%85%DB%8C%D9%86%E2%80%8C%D8%B4%D9%86%D8%A7%D8%B3%DB%8C)" title="دوران (زمینشناسی) – Persian" lang="fa" hreflang="fa" data-title="دوران (زمینشناسی)" 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/%C3%88re_g%C3%A9ologique" title="Ère géologique – French" lang="fr" hreflang="fr" data-title="Ère géologique" 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/R%C3%A9" title="Ré – Irish" lang="ga" hreflang="ga" data-title="Ré" 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/Era_xeol%C3%B3xica" title="Era xeolóxica – Galician" lang="gl" hreflang="gl" data-title="Era xeolóxica" data-language-autonym="Galego" data-language-local-name="Galician" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D4%B5%D6%80%D5%AF%D6%80%D5%A1%D5%A2%D5%A1%D5%B6%D5%A1%D5%AF%D5%A1%D5%B6_%D5%A4%D5%A1%D6%80%D5%A1%D5%B7%D6%80%D5%BB%D5%A1%D5%B6" title="Երկրաբանական դարաշրջան – Armenian" lang="hy" hreflang="hy" data-title="Երկրաբանական դարաշրջան" data-language-autonym="Հայերեն" data-language-local-name="Armenian" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%AD%E0%A5%82%E0%A4%B5%E0%A5%88%E0%A4%9C%E0%A5%8D%E0%A4%9E%E0%A4%BE%E0%A4%A8%E0%A4%BF%E0%A4%95_%E0%A4%AE%E0%A4%B9%E0%A4%BE%E0%A4%95%E0%A4%B2%E0%A5%8D%E0%A4%AA" title="भूवैज्ञानिक महाकल्प – Hindi" lang="hi" hreflang="hi" data-title="भूवैज्ञानिक महाकल्प" 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/Era_(geologija)" title="Era (geologija) – Croatian" lang="hr" hreflang="hr" data-title="Era (geologija)" data-language-autonym="Hrvatski" data-language-local-name="Croatian" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-io mw-list-item"><a href="https://io.wikipedia.org/wiki/Ero" title="Ero – Ido" lang="io" hreflang="io" data-title="Ero" data-language-autonym="Ido" data-language-local-name="Ido" class="interlanguage-link-target"><span>Ido</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Masa_(geologi)" title="Masa (geologi) – Indonesian" lang="id" hreflang="id" data-title="Masa (geologi)" 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-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Era_geologica" title="Era geologica – Italian" lang="it" hreflang="it" data-title="Era geologica" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-ka mw-list-item"><a href="https://ka.wikipedia.org/wiki/%E1%83%92%E1%83%94%E1%83%9D%E1%83%9A%E1%83%9D%E1%83%92%E1%83%98%E1%83%A3%E1%83%A0%E1%83%98_%E1%83%94%E1%83%A0%E1%83%90" title="გეოლოგიური ერა – Georgian" lang="ka" hreflang="ka" data-title="გეოლოგიური ერა" data-language-autonym="ქართული" data-language-local-name="Georgian" class="interlanguage-link-target"><span>ქართული</span></a></li><li class="interlanguage-link interwiki-ht mw-list-item"><a href="https://ht.wikipedia.org/wiki/L%C3%A8_(jewoloji)" title="Lè (jewoloji) – Haitian Creole" lang="ht" hreflang="ht" data-title="Lè (jewoloji)" data-language-autonym="Kreyòl ayisyen" data-language-local-name="Haitian Creole" class="interlanguage-link-target"><span>Kreyòl ayisyen</span></a></li><li class="interlanguage-link interwiki-ku mw-list-item"><a href="https://ku.wikipedia.org/wiki/Dewr%C3%AAn_erdnasiy%C3%AE" title="Dewrên erdnasiyî – Kurdish" lang="ku" hreflang="ku" data-title="Dewrên erdnasiyî" data-language-autonym="Kurdî" data-language-local-name="Kurdish" class="interlanguage-link-target"><span>Kurdî</span></a></li><li class="interlanguage-link interwiki-ky mw-list-item"><a href="https://ky.wikipedia.org/wiki/%D0%93%D0%B5%D0%BE%D0%BB%D0%BE%D0%B3%D0%B8%D1%8F%D0%BB%D1%8B%D0%BA_%D0%BA%D1%8B%D0%BB%D1%8B%D0%BC" title="Геологиялык кылым – Kyrgyz" lang="ky" hreflang="ky" data-title="Геологиялык кылым" data-language-autonym="Кыргызча" data-language-local-name="Kyrgyz" class="interlanguage-link-target"><span>Кыргызча</span></a></li><li class="interlanguage-link interwiki-la mw-list-item"><a href="https://la.wikipedia.org/wiki/Aera_(geologia)" title="Aera (geologia) – Latin" lang="la" hreflang="la" data-title="Aera (geologia)" 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/%C4%A2eolo%C4%A3isk%C4%81_%C4%93ra" title="Ģeoloģiskā ēra – Latvian" lang="lv" hreflang="lv" data-title="Ģeoloģiskā ēra" data-language-autonym="Latviešu" data-language-local-name="Latvian" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Id%C5%91_(f%C3%B6ldt%C3%B6rt%C3%A9net)" title="Idő (földtörténet) – Hungarian" lang="hu" hreflang="hu" data-title="Idő (földtörténet)" data-language-autonym="Magyar" data-language-local-name="Hungarian" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-ms badge-Q70893996 mw-list-item" title=""><a href="https://ms.wikipedia.org/wiki/Era_(geologi)" title="Era (geologi) – Malay" lang="ms" hreflang="ms" data-title="Era (geologi)" data-language-autonym="Bahasa Melayu" data-language-local-name="Malay" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Era_(tijdperk)" title="Era (tijdperk) – Dutch" lang="nl" hreflang="nl" data-title="Era (tijdperk)" 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/%E4%BB%A3_(%E5%9C%B0%E8%B3%AA%E5%AD%A6)" title="代 (地質学) – Japanese" lang="ja" hreflang="ja" data-title="代 (地質学)" 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/%C3%86ra_(geologi)" title="Æra (geologi) – Norwegian Bokmål" lang="nb" hreflang="nb" data-title="Æra (geologi)" data-language-autonym="Norsk bokmål" data-language-local-name="Norwegian Bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-oc mw-list-item"><a href="https://oc.wikipedia.org/wiki/%C3%88ra_geologica" title="Èra geologica – Occitan" lang="oc" hreflang="oc" data-title="Èra geologica" data-language-autonym="Occitan" data-language-local-name="Occitan" class="interlanguage-link-target"><span>Occitan</span></a></li><li class="interlanguage-link interwiki-pa mw-list-item"><a href="https://pa.wikipedia.org/wiki/%E0%A8%AE%E0%A8%B9%E0%A8%BE%E0%A8%95%E0%A8%B2%E0%A8%AA" title="ਮਹਾਕਲਪ – Punjabi" lang="pa" hreflang="pa" data-title="ਮਹਾਕਲਪ" data-language-autonym="ਪੰਜਾਬੀ" data-language-local-name="Punjabi" class="interlanguage-link-target"><span>ਪੰਜਾਬੀ</span></a></li><li class="interlanguage-link interwiki-nds mw-list-item"><a href="https://nds.wikipedia.org/wiki/%C3%84ra_(Geologie)" title="Ära (Geologie) – Low German" lang="nds" hreflang="nds" data-title="Ära (Geologie)" data-language-autonym="Plattdüütsch" data-language-local-name="Low German" class="interlanguage-link-target"><span>Plattdüütsch</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Era_(geochronologia)" title="Era (geochronologia) – Polish" lang="pl" hreflang="pl" data-title="Era (geochronologia)" 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/Era_geol%C3%B3gica" title="Era geológica – Portuguese" lang="pt" hreflang="pt" data-title="Era geológica" 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/Er%C4%83_(geologie)" title="Eră (geologie) – Romanian" lang="ro" hreflang="ro" data-title="Eră (geologie)" 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%93%D0%B5%D0%BE%D0%BB%D0%BE%D0%B3%D0%B8%D1%87%D0%B5%D1%81%D0%BA%D0%B0%D1%8F_%D1%8D%D1%80%D0%B0" title="Геологическая эра – Russian" lang="ru" hreflang="ru" data-title="Геологическая эра" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sah mw-list-item"><a href="https://sah.wikipedia.org/wiki/%D0%AD%D1%80%D0%B0_(%D0%B3%D0%B5%D0%BE%D0%BB%D0%BE%D0%B3%D0%B8%D1%8F)" title="Эра (геология) – Yakut" lang="sah" hreflang="sah" data-title="Эра (геология)" data-language-autonym="Саха тыла" data-language-local-name="Yakut" class="interlanguage-link-target"><span>Саха тыла</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/%C3%89ra_(geol%C3%B3gia)" title="Éra (geológia) – Slovak" lang="sk" hreflang="sk" data-title="Éra (geológia)" 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/Era" title="Era – Slovenian" lang="sl" hreflang="sl" data-title="Era" 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%93%D0%B5%D0%BE%D0%BB%D0%BE%D1%88%D0%BA%D0%B5_%D0%B5%D1%80%D0%B5" title="Геолошке ере – Serbian" lang="sr" hreflang="sr" data-title="Геолошке ере" 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/Era_(geologija)" title="Era (geologija) – Serbo-Croatian" lang="sh" hreflang="sh" data-title="Era (geologija)" 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-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Era" title="Era – Swedish" lang="sv" hreflang="sv" data-title="Era" data-language-autonym="Svenska" data-language-local-name="Swedish" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B8%A1%E0%B8%AB%E0%B8%B2%E0%B8%A2%E0%B8%B8%E0%B8%84_(%E0%B8%98%E0%B8%A3%E0%B8%93%E0%B8%B5%E0%B8%A7%E0%B8%B4%E0%B8%97%E0%B8%A2%E0%B8%B2)" title="มหายุค (ธรณีวิทยา) – Thai" lang="th" hreflang="th" data-title="มหายุค (ธรณีวิทยา)" data-language-autonym="ไทย" data-language-local-name="Thai" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%93%D0%B5%D0%BE%D0%BB%D0%BE%D0%B3%D1%96%D1%87%D0%BD%D0%B0_%D0%B5%D1%80%D0%B0" title="Геологічна ера – Ukrainian" lang="uk" hreflang="uk" data-title="Геологічна ера" data-language-autonym="Українська" data-language-local-name="Ukrainian" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/%C4%90%E1%BA%A1i_(%C4%91%E1%BB%8Ba_ch%E1%BA%A5t)" title="Đại (địa chất) – Vietnamese" lang="vi" hreflang="vi" data-title="Đại (địa chất)" data-language-autonym="Tiếng Việt" data-language-local-name="Vietnamese" 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/%E4%BB%A3_(%E5%9C%B0%E8%B3%AA%E5%AD%B8)" title="代 (地質學) – Cantonese" lang="yue" hreflang="yue" data-title="代 (地質學)" data-language-autonym="粵語" data-language-local-name="Cantonese" class="interlanguage-link-target"><span>粵語</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E4%BB%A3_(%E5%9C%B0%E8%B4%A8%E5%AD%A6)" title="代 (地质学) – Chinese" lang="zh" hreflang="zh" data-title="代 (地质学)" data-language-autonym="中文" data-language-local-name="Chinese" class="interlanguage-link-target"><span>中文</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a 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confused with <a href="/wiki/Calendar_era" title="Calendar era">Calendar era</a>.</div><p>An <b>era</b> in <a href="/wiki/Geology" title="Geology">geology</a> is a time of several hundred million years. It describes a long series of rock <a href="/wiki/Strata" title="Strata">strata</a> which geologists decide should be given a name. An example is the <a href="/wiki/Mesozoic" title="Mesozoic">Mesozoic</a> era, when <a href="/wiki/Dinosaur" title="Dinosaur">dinosaurs</a> lived on the <a href="/wiki/Earth" title="Earth">Earth</a>. An era is made up of <a href="/wiki/Period_(geology)" title="Period (geology)">periods</a>, and several eras make up an <a href="/wiki/Eon" title="Eon">eon</a>. The <a href="/wiki/Phanerozoic" title="Phanerozoic">Phanerozoic</a> eon started about 541 million years ago (mya). It is made up of the <a href="/wiki/Paleozoic" class="mw-redirect" title="Paleozoic">Paleozoic</a> era (from the Greek for "oldest life"), the <a href="/wiki/Mesozoic" title="Mesozoic">Mesozoic</a> era ("middle life") and the <a href="/wiki/Cainozoic" title="Cainozoic">Cainozoic</a> era ("latest life"). </p><p><br /> </p> <style data-mw-deduplicate="TemplateStyles:r9671870">.mw-parser-output .side-box{margin:4px 0;box-sizing:border-box;border:1px solid #aaa;font-size:88%;line-height:1.25em;background-color:var(--background-color-interactive-subtle,#f8f9fa);display:flow-root}.mw-parser-output .side-box-abovebelow,.mw-parser-output .side-box-text{padding:0.25em 0.9em}.mw-parser-output .side-box-image{padding:2px 0 2px 0.9em;text-align:center}.mw-parser-output .side-box-imageright{padding:2px 0.9em 2px 0;text-align:center}@media(min-width:500px){.mw-parser-output .side-box-flex{display:flex;align-items:center}.mw-parser-output .side-box-text{flex:1;min-width:0}}@media(min-width:720px){.mw-parser-output .side-box{width:238px}.mw-parser-output .side-box-right{clear:right;float:right;margin-left:1em}.mw-parser-output .side-box-left{margin-right:1em}}</style><style data-mw-deduplicate="TemplateStyles:r9671876">@media print{body.ns-0 .mw-parser-output .sistersitebox{display:none!important}}@media screen{html.skin-theme-clientpref-night .mw-parser-output .sistersitebox img[src*="Wiktionary-logo-en-v2.svg"]{background-color:white}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .sistersitebox img[src*="Wiktionary-logo-en-v2.svg"]{background-color:white}}</style><div class="side-box side-box-right plainlinks sistersitebox"><style data-mw-deduplicate="TemplateStyles:r8662964">.mw-parser-output .plainlist ol,.mw-parser-output .plainlist ul{line-height:inherit;list-style:none;margin:0;padding:0}.mw-parser-output .plainlist ol li,.mw-parser-output .plainlist ul li{margin-bottom:0}</style> <div class="side-box-flex"> <div class="side-box-image"><span class="noviewer" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/9/99/Wiktionary-logo-en-v2.svg/40px-Wiktionary-logo-en-v2.svg.png" decoding="async" width="40" height="40" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/99/Wiktionary-logo-en-v2.svg/60px-Wiktionary-logo-en-v2.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/99/Wiktionary-logo-en-v2.svg/80px-Wiktionary-logo-en-v2.svg.png 2x" data-file-width="512" data-file-height="512" /></span></span></div> <div class="side-box-text plainlist">The <a href="/wiki/Wikipedia:Simple_English_Wiktionary" title="Wikipedia:Simple English Wiktionary">Simple English Wiktionary</a> has a <a href="/wiki/Definition" title="Definition">definition</a> for: <i> <b><a href="https://simple.wiktionary.org/wiki/era" class="extiw" title="wikt:era">era</a></b></i>.</div></div> </div> <!-- NewPP limit report Parsed by mw‐web.eqiad.main‐6b6c9bdc8b‐fsnzm Cached time: 20241103235623 Cache expiry: 2592000 Reduced expiry: false Complications: [] CPU time usage: 0.065 seconds Real time usage: 0.092 seconds Preprocessor visited node count: 108/1000000 Post‐expand include size: 2434/2097152 bytes Template argument size: 142/2097152 bytes Highest expansion depth: 9/100 Expensive parser function count: 1/500 Unstrip recursion depth: 0/20 Unstrip post‐expand size: 2089/5000000 bytes Lua time usage: 0.037/10.000 seconds Lua memory usage: 650405/52428800 bytes Number of Wikibase entities loaded: 0/400 --> <!-- Transclusion expansion time report (%,ms,calls,template) 100.00% 77.176 1 -total 50.39% 38.891 1 Template:Confused 49.42% 38.137 1 Template:Wiktionary 45.82% 35.364 1 Template:Sister 40.38% 31.160 1 Template:Side_box --> <!-- Saved in parser cache with key simplewiki:pcache:idhash:43219-0!canonical and timestamp 20241103235623 and revision id 9863023. 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