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href="https://ar.wikipedia.org/wiki/%D8%A7%D9%84%D8%A8%D8%B1%D9%8A%D8%AF%D9%88%D9%84%D9%8A_(%D8%A7%D9%84%D8%B3%D9%8A%D9%84%D9%88%D8%B1%D9%8A)" title="البريدولي (السيلوري) – Arabic" lang="ar" hreflang="ar" data-title="البريدولي (السيلوري)" data-language-autonym="العربية" data-language-local-name="Arabic" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Pridoli%C3%A0" title="Pridolià – Catalan" lang="ca" hreflang="ca" data-title="Pridolià" 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/P%C5%99%C3%ADdol%C3%AD_(geologie)" title="Přídolí (geologie) – Czech" lang="cs" hreflang="cs" data-title="Přídolí (geologie)" data-language-autonym="Čeština" data-language-local-name="Czech" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Pridolium" title="Pridolium – German" lang="de" hreflang="de" data-title="Pridolium" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Pr%C3%ADdoli" title="Prídoli – Spanish" lang="es" hreflang="es" data-title="Prídoli" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</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_%D9%BE%D8%B1%DB%8C%D8%AF%D9%88%D9%84%DB%8C" title="دور پریدولی – Persian" lang="fa" hreflang="fa" data-title="دور پریدولی" 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/Pridoli_(s%C3%A9rie)" title="Pridoli (série) – French" lang="fr" hreflang="fr" data-title="Pridoli (série)" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Pridolij" title="Pridolij – Croatian" lang="hr" hreflang="hr" data-title="Pridolij" 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/Pridoli_(kala)" title="Pridoli (kala) – Indonesian" lang="id" hreflang="id" data-title="Pridoli (kala)" 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/Pridoli" title="Pridoli – Italian" lang="it" hreflang="it" data-title="Pridoli" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Pridoli" title="Pridoli – Hungarian" lang="hu" hreflang="hu" data-title="Pridoli" data-language-autonym="Magyar" data-language-local-name="Hungarian" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Pridoli_(geologi)" title="Pridoli (geologi) – Malay" lang="ms" hreflang="ms" data-title="Pridoli (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/Pridoli" title="Pridoli – Dutch" lang="nl" hreflang="nl" data-title="Pridoli" data-language-autonym="Nederlands" data-language-local-name="Dutch" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Przydol" title="Przydol – Polish" lang="pl" hreflang="pl" data-title="Przydol" 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/Pridoli" title="Pridoli – Portuguese" lang="pt" hreflang="pt" data-title="Pridoli" data-language-autonym="Português" data-language-local-name="Portuguese" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Pridoli_(epok)" title="Pridoli (epok) – Swedish" lang="sv" hreflang="sv" data-title="Pridoli (epok)" data-language-autonym="Svenska" data-language-local-name="Swedish" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%9F%D1%80%D0%B6%D0%B8%D0%B4%D0%BE%D0%BB%D1%8C%D1%81%D1%8C%D0%BA%D0%B0_%D0%B5%D0%BF%D0%BE%D1%85%D0%B0" title="Пржидольська епоха – Ukrainian" lang="uk" hreflang="uk" data-title="Пржидольська епоха" 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/Th%E1%BA%BF_Pridoli" title="Thế Pridoli – Vietnamese" lang="vi" hreflang="vi" data-title="Thế Pridoli" data-language-autonym="Tiếng Việt" 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<div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">From 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"><div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">Final Series (Epoch) of the Silurian</div> <style data-mw-deduplicate="TemplateStyles:r1257001546">.mw-parser-output .infobox-subbox{padding:0;border:none;margin:-3px;width:auto;min-width:100%;font-size:100%;clear:none;float:none;background-color:transparent}.mw-parser-output .infobox-3cols-child{margin:auto}.mw-parser-output .infobox .navbar{font-size:100%}@media screen{html.skin-theme-clientpref-night .mw-parser-output .infobox-full-data:not(.notheme)>div:not(.notheme)[style]{background:#1f1f23!important;color:#f8f9fa}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .infobox-full-data:not(.notheme) div:not(.notheme){background:#1f1f23!important;color:#f8f9fa}}@media(min-width:640px){body.skin--responsive .mw-parser-output .infobox-table{display:table!important}body.skin--responsive .mw-parser-output .infobox-table>caption{display:table-caption!important}body.skin--responsive .mw-parser-output .infobox-table>tbody{display:table-row-group}body.skin--responsive .mw-parser-output .infobox-table tr{display:table-row!important}body.skin--responsive .mw-parser-output .infobox-table th,body.skin--responsive .mw-parser-output .infobox-table td{padding-left:inherit;padding-right:inherit}}</style><table class="infobox" style="width:23em;"><tbody><tr><th colspan="2" class="infobox-above" style="padding:0.25em 0.33em 0.33em;line-height:1.2em;font-size:1.25em;background:rgb(230,245,225);">Přídolí</th></tr><tr><td colspan="2" class="infobox-subheader"><span class="noprint"><span style="display:inline-block;"></span><span style="display:inline-block;">423.0 ± 2.3 – 419.2 ± 3.2 <a href="/wiki/Year#SI_prefix_multipliers" title="Year">Ma</a></span> <span style="display:inline-block;"></span><div id="Timeline-row" style="margin: 4px auto 0; clear:both; width:220px; padding:0px; height:18px; overflow:visible; white-space:nowrap; border:1px #666; border-style:solid none; position:relative; z-index:0; font-size:97%;"> <div style="position:absolute; height:100%; left:0px; width:207.23076923077px; padding-left:5px; text-align:left; background-color:rgb(254,217,106); background-image: linear-gradient(to right, rgba(255,255,255,1), rgba(254,217,106,1) 15%, rgba(254,217,106,1));"><a href="/wiki/Precambrian" title="Precambrian">PreꞒ</a></div> <div style="position:absolute; height:100%; text-align:center; background-color:rgb(127,160,86); left:37.636923076923px; width:18.073846153846px;"><a href="/wiki/Cambrian" title="Cambrian">Ꞓ</a></div> <div style="position:absolute; height:100%; text-align:center; background-color:rgb(0,146,112); left:55.710769230769px; width:14.08px;"><a href="/wiki/Ordovician" title="Ordovician">O</a></div> <div style="position:absolute; height:100%; text-align:center; background-color:rgb(179,225,182); left:69.790769230769px; width:8.3261538461539px;"><a href="/wiki/Silurian" title="Silurian">S</a></div> <div style="position:absolute; height:100%; text-align:center; background-color:rgb(203,140,55); left:78.116923076923px; width:20.409230769231px;"><a href="/wiki/Devonian" title="Devonian">D</a></div> <div style="position:absolute; height:100%; text-align:center; background-color:rgb(103,165,153); left:98.526153846154px; width:20.307692307692px;"><a href="/wiki/Carboniferous" title="Carboniferous">C</a></div> <div style="position:absolute; height:100%; text-align:center; background-color:rgb(240,64,40); left:118.83384615385px; width:15.907015384615px;"><a href="/wiki/Permian" title="Permian">P</a></div> <div style="position:absolute; height:100%; text-align:center; background-color:rgb(129,43,146); left:134.74086153846px; width:17.092984615385px;"><a href="/wiki/Triassic" title="Triassic">T</a></div> <div style="position:absolute; height:100%; text-align:center; background-color:rgb(52,178,201); left:151.83384615385px; width:19.089230769231px;"><a href="/wiki/Jurassic" title="Jurassic">J</a></div> <div style="position:absolute; height:100%; text-align:center; background-color:rgb(127,198,78); left:170.92307692308px; width:26.738461538462px;"><a href="/wiki/Cretaceous" title="Cretaceous">K</a></div> <div style="position:absolute; height:100%; text-align:center; background-color:rgb(253,154,82); left:197.66153846154px; width:14.543692307692px;"><a href="/wiki/Paleogene" title="Paleogene">Pg</a></div> <div style="position:absolute; height:100%; text-align:center; background-color:rgb(255,230,25); left:212.20523076923px; width:6.9215384615385px;"><a href="/wiki/Neogene" title="Neogene">N</a></div> <div id="end-border" style="position:absolute; height:100%; background-color:#666; width:1px; left:219px"></div><div style="margin:0 auto; line-height:0; clear:both; width:220px; padding:0px; height:8px; overflow:visible; background-color:transparent; position:relative; top:-4px; z-index:100;"> <div style="position:absolute; left:76.830769230769px; font-size:50%"><div style="position:relative; left:-0.42em">↓</div></div> </div> </div></span></td></tr><tr><td colspan="2" class="infobox-image"><span typeof="mw:File"><a href="/wiki/File:Mollweide_Paleographic_Map_of_Earth,_420_Ma_(P%C5%99%C3%ADdol%C3%AD_Epoch).png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/a/ac/Mollweide_Paleographic_Map_of_Earth%2C_420_Ma_%28P%C5%99%C3%ADdol%C3%AD_Epoch%29.png/250px-Mollweide_Paleographic_Map_of_Earth%2C_420_Ma_%28P%C5%99%C3%ADdol%C3%AD_Epoch%29.png" decoding="async" width="250" height="125" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/ac/Mollweide_Paleographic_Map_of_Earth%2C_420_Ma_%28P%C5%99%C3%ADdol%C3%AD_Epoch%29.png/375px-Mollweide_Paleographic_Map_of_Earth%2C_420_Ma_%28P%C5%99%C3%ADdol%C3%AD_Epoch%29.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/ac/Mollweide_Paleographic_Map_of_Earth%2C_420_Ma_%28P%C5%99%C3%ADdol%C3%AD_Epoch%29.png/500px-Mollweide_Paleographic_Map_of_Earth%2C_420_Ma_%28P%C5%99%C3%ADdol%C3%AD_Epoch%29.png 2x" data-file-width="3610" data-file-height="1810" /></a></span><div class="infobox-caption">A map of Earth as it appeared 420 million years ago during the Přídolí Epoch</div></td></tr><tr><th colspan="2" class="infobox-header" style="background:#ededed;">Chronology</th></tr><tr><td colspan="2" class="infobox-full-data"><div style="font-size:14px"><table id="Container" role="presentation" class="toccolours searchaux" style="text-align:left;padding:0 0.5em;border-style:none;margin:auto;overflow:hidden;min-width:26.65em"><tbody><tr style="vertical-align:top"><td id="Scale" style="padding:0;margin:0.7em 0 0.7em 0;width:4.2em;position:relative;float:left;font-size:100%;height:34em;border-right:1px solid #242020"><div style="float:right;position:absolute;right:-1px;top:32.36em;transform:translateY(-50%)"><span style="font-size:90%">−444 —</span></div><div style="float:right;position:absolute;right:-1px;top:31.13em;transform:translateY(-50%)"><span style="font-size:90%">–</span></div><div style="float:right;position:absolute;right:-1px;top:29.90em;transform:translateY(-50%)"><span style="font-size:90%">−442 —</span></div><div style="float:right;position:absolute;right:-1px;top:28.67em;transform:translateY(-50%)"><span style="font-size:90%">–</span></div><div style="float:right;position:absolute;right:-1px;top:27.44em;transform:translateY(-50%)"><span style="font-size:90%">−440 —</span></div><div style="float:right;position:absolute;right:-1px;top:26.21em;transform:translateY(-50%)"><span style="font-size:90%">–</span></div><div style="float:right;position:absolute;right:-1px;top:24.99em;transform:translateY(-50%)"><span style="font-size:90%">−438 —</span></div><div style="float:right;position:absolute;right:-1px;top:23.76em;transform:translateY(-50%)"><span style="font-size:90%">–</span></div><div style="float:right;position:absolute;right:-1px;top:22.53em;transform:translateY(-50%)"><span style="font-size:90%">−436 —</span></div><div style="float:right;position:absolute;right:-1px;top:21.30em;transform:translateY(-50%)"><span style="font-size:90%">–</span></div><div style="float:right;position:absolute;right:-1px;top:20.07em;transform:translateY(-50%)"><span style="font-size:90%">−434 —</span></div><div style="float:right;position:absolute;right:-1px;top:18.84em;transform:translateY(-50%)"><span style="font-size:90%">–</span></div><div style="float:right;position:absolute;right:-1px;top:17.61em;transform:translateY(-50%)"><span style="font-size:90%">−432 —</span></div><div style="float:right;position:absolute;right:-1px;top:16.39em;transform:translateY(-50%)"><span style="font-size:90%">–</span></div><div style="float:right;position:absolute;right:-1px;top:15.16em;transform:translateY(-50%)"><span style="font-size:90%">−430 —</span></div><div style="float:right;position:absolute;right:-1px;top:13.93em;transform:translateY(-50%)"><span style="font-size:90%">–</span></div><div style="float:right;position:absolute;right:-1px;top:12.70em;transform:translateY(-50%)"><span style="font-size:90%">−428 —</span></div><div style="float:right;position:absolute;right:-1px;top:11.47em;transform:translateY(-50%)"><span style="font-size:90%">–</span></div><div style="float:right;position:absolute;right:-1px;top:10.24em;transform:translateY(-50%)"><span style="font-size:90%">−426 —</span></div><div style="float:right;position:absolute;right:-1px;top:9.01em;transform:translateY(-50%)"><span style="font-size:90%">–</span></div><div style="float:right;position:absolute;right:-1px;top:7.79em;transform:translateY(-50%)"><span style="font-size:90%">−424 —</span></div><div style="float:right;position:absolute;right:-1px;top:6.56em;transform:translateY(-50%)"><span style="font-size:90%">–</span></div><div style="float:right;position:absolute;right:-1px;top:5.33em;transform:translateY(-50%)"><span style="font-size:90%">−422 —</span></div><div style="float:right;position:absolute;right:-1px;top:4.10em;transform:translateY(-50%)"><span style="font-size:90%">–</span></div><div style="float:right;position:absolute;right:-1px;top:2.87em;transform:translateY(-50%)"><span style="font-size:90%">−420 —</span></div><div style="float:right;position:absolute;right:-1px;top:1.64em;transform:translateY(-50%)"><span style="font-size:90%">–</span></div><div style="float:right;position:absolute;right:-1px;top:0.41em;transform:translateY(-50%)"><span style="font-size:90%">−418 —</span></div></td><td id="Timeline" class="toccolours notheme" style="padding:0px;margin:0.7em 0 0.7em 0;position:relative;font-size:100%;width:10.5em;height:34em;float:left;border:none;background-color:#000000"><div class="notheme" style="font-size:100%;background-color:rgb(153,192,141);border-style:none none;position:absolute;text-align:center;margin:0;padding:0;top:0.000em;height:34.000em;left:0.000em;width:1.050em"><div class="notheme" style="position:relative;text-align:center;vertical-align:middle;display:block;bottom:-17.000em;transform:translateY(-50%);z-index:5"><b><style data-mw-deduplicate="TemplateStyles:r1231500821">@supports(writing-mode:vertical-lr){.mw-parser-output .ts-vertical-text{letter-spacing:-0.12em;line-height:1em;text-orientation:upright;writing-mode:vertical-lr;width:1em}}</style><span class="ts-vertical-text" style=""><a href="/wiki/Paleozoic" title="Paleozoic">Paleozoic</a></span></b></div></div><div class="notheme" style="font-size:100%;background-color:rgb(0,146,112);border-style:none none;position:absolute;text-align:center;margin:0;padding:0;top:32.111em;height:1.889em;left:1.155em;width:1.155em"><div class="notheme" style="position:relative;text-align:center;vertical-align:middle;display:block;bottom:-0.944em;transform:translateY(-50%);z-index:5"><b><a href="/wiki/Ordovician" title="Ordovician">O</a></b></div></div><div class="notheme" style="font-size:100%;background-color:rgb(179,225,182);border-width:0.05em;border-style:solid none;position:absolute;text-align:center;margin:0;padding:0;top:1.889em;height:30.122em;left:1.155em;width:1.155em"><div class="notheme" style="position:relative;text-align:center;vertical-align:middle;display:block;bottom:-15.061em;transform:translateY(-50%);z-index:5"><b><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1231500821"><span class="ts-vertical-text" style=""><a href="/wiki/Silurian" title="Silurian">Silurian</a></span></b></div></div><div class="notheme" style="font-size:100%;background-color:rgb(203,140,55);border-style:none none;position:absolute;text-align:center;margin:0;padding:0;top:0.000em;height:1.889em;left:1.155em;width:1.155em"><div class="notheme" style="position:relative;text-align:center;vertical-align:middle;display:block;bottom:-0.944em;transform:translateY(-50%);z-index:5"><b><a href="/wiki/Devonian" title="Devonian">D</a></b></div></div><div class="notheme" style="font-size:100%;background-color:rgb(127,202,147);border-style:none none;position:absolute;text-align:center;margin:0;padding:0;top:32.111em;height:1.889em;left:2.415em;width:8.085em"><div class="notheme" style="position:relative;text-align:center;vertical-align:middle;display:block;bottom:-0.944em;transform:translateY(-50%);z-index:5"><a href="/wiki/Ordovician" title="Ordovician">Late O</a></div></div><div class="notheme" style="font-size:100%;background-color:rgb(153,215,179);border-width:0.05em;border-style:solid none;position:absolute;text-align:center;margin:0;padding:0;top:19.334em;height:12.677em;left:2.415em;width:1.155em"><div class="notheme" style="position:relative;text-align:center;vertical-align:middle;display:block;bottom:-6.338em;transform:translateY(-50%);z-index:5"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1231500821"><span class="ts-vertical-text" style=""><a href="/wiki/Llandovery_Epoch" title="Llandovery Epoch">Llandovery</a></span></div></div><div class="notheme" style="font-size:100%;background-color:rgb(179,225,194);border-width:0em;border-style:solid none;position:absolute;text-align:center;margin:0;padding:0;top:11.963em;height:7.371em;left:2.415em;width:1.155em"><div class="notheme" style="position:relative;text-align:center;vertical-align:middle;display:block;bottom:-3.686em;transform:translateY(-50%);z-index:5"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1231500821"><span class="ts-vertical-text" style="font-size:95%;"><a href="/wiki/Wenlock_Epoch" title="Wenlock Epoch">Wenlock</a></span></div></div><div class="notheme" style="font-size:100%;background-color:rgb(191,230,207);border-width:0.05em;border-style:solid none;position:absolute;text-align:center;margin:0;padding:0;top:6.557em;height:5.306em;left:2.415em;width:1.155em"><div class="notheme" style="position:relative;text-align:center;vertical-align:middle;display:block;bottom:-2.653em;transform:translateY(-50%);z-index:5"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1231500821"><span class="ts-vertical-text" style="font-size:90%;"><a href="/wiki/Ludlow_Epoch" title="Ludlow Epoch">Ludlow</a></span></div></div><div class="notheme" style="font-size:100%;background-color:rgb(230,245,225);border-style:none none;position:absolute;text-align:center;margin:0;padding:0;top:1.889em;height:4.668em;left:2.415em;width:8.085em"><div class="notheme" style="position:relative;text-align:center;vertical-align:middle;display:block;bottom:-2.334em;transform:translateY(-50%);z-index:5"><a class="mw-selflink selflink">Přídolí</a></div></div><div class="notheme" style="font-size:100%;background-color:rgb(229,172,77);border-style:none none;position:absolute;text-align:center;margin:0;padding:0;top:0.000em;height:1.889em;left:2.415em;width:8.085em"><div class="notheme" style="position:relative;text-align:center;vertical-align:middle;display:block;bottom:-0.944em;transform:translateY(-50%);z-index:5"><a href="/wiki/Early_Devonian" title="Early Devonian">Early D</a></div></div><div class="notheme" style="font-size:100%;background-color:rgb(166,220,181);border-width:0.05em;border-style:solid none;position:absolute;text-align:center;margin:0;padding:0;top:28.425em;height:3.586em;left:3.675em;width:6.825em"><div class="notheme" style="position:relative;text-align:center;font-size:90%;vertical-align:middle;display:block;bottom:-1.793em;transform:translateY(-50%);z-index:5"><a href="/wiki/Rhuddanian" title="Rhuddanian">Rhuddanian</a></div></div><div class="notheme" style="font-size:100%;background-color:rgb(179,225,194);border-width:0em;border-style:solid none;position:absolute;text-align:center;margin:0;padding:0;top:25.600em;height:2.826em;left:3.675em;width:6.825em"><div class="notheme" style="position:relative;text-align:center;font-size:90%;vertical-align:middle;display:block;bottom:-1.413em;transform:translateY(-50%);z-index:5"><a href="/wiki/Aeronian" title="Aeronian">Aeronian</a></div></div><div class="notheme" style="font-size:100%;background-color:rgb(191,230,207);border-width:0.05em;border-style:solid none;position:absolute;text-align:center;margin:0;padding:0;top:19.334em;height:6.166em;left:3.675em;width:6.825em"><div class="notheme" style="position:relative;text-align:center;font-size:90%;vertical-align:middle;display:block;bottom:-3.083em;transform:translateY(-50%);z-index:5"><a href="/wiki/Telychian" title="Telychian">Telychian</a></div></div><div class="notheme" style="font-size:100%;background-color:rgb(191,230,195);border-width:0em;border-style:solid none;position:absolute;text-align:center;margin:0;padding:0;top:15.771em;height:3.563em;left:3.675em;width:6.825em"><div class="notheme" style="position:relative;text-align:center;font-size:90%;vertical-align:middle;display:block;bottom:-1.781em;transform:translateY(-50%);z-index:5"><a href="/wiki/Sheinwoodian" title="Sheinwoodian">Sheinwoodian</a></div></div><div class="notheme" style="font-size:100%;background-color:rgb(204,235,209);border-width:0em;border-style:solid none;position:absolute;text-align:center;margin:0;padding:0;top:11.963em;height:3.808em;left:3.675em;width:6.825em"><div class="notheme" style="position:relative;text-align:center;font-size:90%;vertical-align:middle;display:block;bottom:-1.904em;transform:translateY(-50%);z-index:5"><a href="/wiki/Homerian" title="Homerian">Homerian</a></div></div><div class="notheme" style="font-size:100%;background-color:rgb(204,236,221);border-width:0.05em;border-style:solid none;position:absolute;text-align:center;margin:0;padding:0;top:9.752em;height:2.111em;left:3.675em;width:6.825em"><div class="notheme" style="position:relative;text-align:center;font-size:90%;vertical-align:middle;display:block;bottom:-1.056em;transform:translateY(-50%);z-index:5"><a href="/wiki/Gorstian" title="Gorstian">Gorstian</a></div></div><div class="notheme" style="font-size:100%;background-color:rgb(217,240,223);border-style:none none;position:absolute;text-align:center;margin:0;padding:0;top:6.557em;height:3.194em;left:3.675em;width:6.825em"><div class="notheme" style="position:relative;text-align:center;font-size:90%;vertical-align:middle;display:block;bottom:-1.597em;transform:translateY(-50%);z-index:5"><a href="/wiki/Ludfordian" title="Ludfordian">Ludfordian</a></div></div><div class="notheme" style="font-size:100%;background-color:#000000;border-style:none none;position:absolute;text-align:center;margin:0;padding:0;top:15.771em;height:0.061em;left:3.675em;width:6.825em"><div class="notheme" style="position:relative;text-align:center;vertical-align:middle;display:block;bottom:-0.031em;transform:translateY(-50%);z-index:5"> </div></div><div class="notheme" style="font-size:100%;background-color:#000000;border-style:none none;position:absolute;text-align:center;margin:0;padding:0;top:6.557em;height:0.061em;left:2.415em;width:8.085em"><div class="notheme" style="position:relative;text-align:center;vertical-align:middle;display:block;bottom:-0.031em;transform:translateY(-50%);z-index:5"> </div></div><div class="notheme" style="font-size:100%;background-color:#000000;border-style:none none;position:absolute;text-align:center;margin:0;padding:0;top:1.889em;height:0.061em;left:1.155em;width:9.345em"><div class="notheme" style="position:relative;text-align:center;vertical-align:middle;display:block;bottom:-0.031em;transform:translateY(-50%);z-index:5"> </div></div><div class="notheme" style="font-size:100%;background-color:#000000;border-style:none none;position:absolute;text-align:center;margin:0;padding:0;top:0.000em;height:34.000em;left:10.395em;width:0.105em"><div class="notheme" style="position:relative;text-align:center;vertical-align:middle;display:block;bottom:-17.000em;transform:translateY(-50%);z-index:5"> </div></div><div class="notheme" style="font-size:100%;background-color:#000000;border-style:none none;position:absolute;text-align:center;margin:0;padding:0;top:1.889em;height:30.222em;left:2.310em;width:0.105em"><div class="notheme" style="position:relative;text-align:center;vertical-align:middle;display:block;bottom:-15.111em;transform:translateY(-50%);z-index:5"> </div></div><div class="notheme" style="font-size:100%;background-color:#000000;border-style:none none;position:absolute;text-align:center;margin:0;padding:0;top:6.557em;height:25.554em;left:3.570em;width:0.105em"><div class="notheme" style="position:relative;text-align:center;vertical-align:middle;display:block;bottom:-12.777em;transform:translateY(-50%);z-index:5"> </div></div></td><td id="Annotations" style="padding:0;margin:0.7em 0 0.7em 0;float:left;position:relative;width:10.25em;height:34em"><table role="presentation" style="position:absolute;z-index:15;top:7.786em;left:0em;transform:translateY(-50%);padding:0;margin:0;font-size:100%"><tbody><tr><td style="padding:0;text-align:left;vertical-align:middle"><span style="color:var( --color-base, #000)">←</span></td><td style="padding:0;text-align:left;vertical-align:middle"><div style="z-index:10;font-size:90%;color:var( --color-base, #000);display:block;line-height:105%;bottom:0"><a href="/wiki/Lau_event" title="Lau event">Lau event</a></div></td></tr></tbody></table><table role="presentation" style="position:absolute;z-index:15;top:11.472em;left:0em;transform:translateY(-50%);padding:0;margin:0;font-size:100%"><tbody><tr><td style="padding:0;text-align:left;vertical-align:middle"><span style="color:var( --color-base, #000)">←</span></td><td style="padding:0;text-align:left;vertical-align:middle"><div style="z-index:10;font-size:90%;color:var( --color-base, #000);display:block;line-height:105%;bottom:0"><a href="/wiki/Mulde_event" title="Mulde event">Mulde event</a><sup id="cite_ref-Jeppsson2007_1-0" class="reference"><a href="#cite_note-Jeppsson2007-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup></div></td></tr></tbody></table><table role="presentation" style="position:absolute;z-index:15;top:19.334em;left:0em;transform:translateY(-50%);padding:0;margin:0;font-size:100%"><tbody><tr><td style="padding:0;text-align:left;vertical-align:middle"><span style="color:var( --color-base, #000)">←</span></td><td style="padding:0;text-align:left;vertical-align:middle"><div style="z-index:10;font-size:90%;color:var( --color-base, #000);display:block;line-height:105%;bottom:0"><a href="/wiki/Ireviken_event" title="Ireviken event">Ireviken event</a><sup id="cite_ref-Munnecke2003_2-0" class="reference"><a href="#cite_note-Munnecke2003-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup></div></td></tr></tbody></table></td></tr><tr><td id="Caption" colspan="3" style="padding:0;margin:0 0.2em 0.7em 0.2em"><div id="Caption" class="toccolours" style="margin:0 auto;float:left;border-style:none;clear:both;text-align:center;width:23.5em"><b>Subdivision of the Silurian according to the <a href="/wiki/International_Commission_on_Stratigraphy" title="International Commission on Stratigraphy">ICS</a>, as of 2023.</b><sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup><br />Vertical axis scale: Millions of years ago<br /></div></td></tr></tbody></table></div></td></tr><tr><th colspan="2" class="infobox-header" style="background:#ededed;">Etymology</th></tr><tr><th scope="row" class="infobox-label" style="width:10em;">Name formality</th><td class="infobox-data">Formal</td></tr><tr><th scope="row" class="infobox-label" style="width:10em;">Name ratified</th><td class="infobox-data">1984</td></tr><tr><th colspan="2" class="infobox-header" style="background:#ededed;">Usage information</th></tr><tr><th scope="row" class="infobox-label" style="width:10em;">Celestial body</th><td class="infobox-data"><a href="/wiki/Geological_history_of_Earth" title="Geological history of Earth">Earth</a></td></tr><tr><th scope="row" class="infobox-label" style="width:10em;">Regional usage</th><td class="infobox-data">Global (<a href="/wiki/International_Commission_on_Stratigraphy" title="International Commission on Stratigraphy">ICS</a>)</td></tr><tr><th scope="row" class="infobox-label" style="width:10em;">Time scale(s) used</th><td class="infobox-data">ICS Time Scale</td></tr><tr><th colspan="2" class="infobox-header" style="background:#ededed;">Definition</th></tr><tr><th scope="row" class="infobox-label" style="width:10em;">Chronological unit</th><td class="infobox-data"><a href="/wiki/Epoch_(geology)" class="mw-redirect" title="Epoch (geology)">Epoch</a></td></tr><tr><th scope="row" class="infobox-label" style="width:10em;">Stratigraphic unit</th><td class="infobox-data"><a href="/wiki/Series_(stratigraphy)" title="Series (stratigraphy)">Series</a></td></tr><tr><th scope="row" class="infobox-label" style="width:10em;">Time span formality</th><td class="infobox-data">Formal</td></tr><tr><th scope="row" class="infobox-label" style="width:10em;">Lower boundary definition</th><td class="infobox-data"><a href="/wiki/First_appearance_datum" title="First appearance datum">FAD</a> of the <a href="/wiki/Graptolite" title="Graptolite">graptolite</a> <i><a href="/wiki/Monograptus" title="Monograptus">Monograptus parultimus</a></i></td></tr><tr><th scope="row" class="infobox-label" style="width:10em;">Lower boundary GSSP</th><td class="infobox-data"><a href="/w/index.php?title=Po%C5%BE%C3%A1ry_Section&action=edit&redlink=1" class="new" title="Požáry Section (page does not exist)">Požáry Section</a>, <a href="/wiki/%C5%98eporyje" title="Řeporyje">Řeporyje District</a>, <a href="/wiki/Prague" title="Prague">Prague</a>, <a href="/wiki/Czech_Republic" title="Czech Republic">Czech Republic</a><br /><span class="geo-inline"><style data-mw-deduplicate="TemplateStyles:r1156832818">.mw-parser-output .geo-default,.mw-parser-output .geo-dms,.mw-parser-output .geo-dec{display:inline}.mw-parser-output .geo-nondefault,.mw-parser-output .geo-multi-punct,.mw-parser-output .geo-inline-hidden{display:none}.mw-parser-output .longitude,.mw-parser-output .latitude{white-space:nowrap}</style><span class="plainlinks nourlexpansion"><a class="external text" href="https://geohack.toolforge.org/geohack.php?pagename=Pridoli_Epoch&params=50.0277_N_14.3249_E_"><span class="geo-nondefault"><span class="geo-dms" title="Maps, aerial photos, and other data for this location"><span class="latitude">50°01′40″N</span> <span class="longitude">14°19′30″E</span></span></span><span class="geo-multi-punct"> / </span><span class="geo-default"><span class="geo-dec" title="Maps, aerial photos, and other data for this location">50.0277°N 14.3249°E</span><span style="display:none"> / <span class="geo">50.0277; 14.3249</span></span></span></a></span></span></td></tr><tr><th scope="row" class="infobox-label" style="width:10em;">Lower GSSP ratified</th><td class="infobox-data">1984<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup></td></tr><tr><th scope="row" class="infobox-label" style="width:10em;">Upper boundary definition</th><td class="infobox-data">FAD of the graptolite <i><a href="/wiki/Monograptus" title="Monograptus">Monograptus uniformis</a></i></td></tr><tr><th scope="row" class="infobox-label" style="width:10em;">Upper boundary GSSP</th><td class="infobox-data"><a href="/wiki/Klonk" title="Klonk">Klonk</a>, Prague, Czech Republic<br /><span class="geo-inline"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1156832818"><span class="plainlinks nourlexpansion"><a class="external text" href="https://geohack.toolforge.org/geohack.php?pagename=Pridoli_Epoch&params=49.8550_N_13.7920_E_"><span class="geo-nondefault"><span class="geo-dms" title="Maps, aerial photos, and other data for this location"><span class="latitude">49°51′18″N</span> <span class="longitude">13°47′31″E</span></span></span><span class="geo-multi-punct"> / </span><span class="geo-default"><span class="geo-dec" title="Maps, aerial photos, and other data for this location">49.8550°N 13.7920°E</span><span style="display:none"> / <span class="geo">49.8550; 13.7920</span></span></span></a></span></span></td></tr><tr><th scope="row" class="infobox-label" style="width:10em;">Upper GSSP ratified</th><td class="infobox-data">1972<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup></td></tr></tbody></table> <p>In the geologic timescale, the <b>Přídolí Epoch</b> (<style data-mw-deduplicate="TemplateStyles:r1177148991">.mw-parser-output .IPA-label-small{font-size:85%}.mw-parser-output .references .IPA-label-small,.mw-parser-output .infobox .IPA-label-small,.mw-parser-output .navbox .IPA-label-small{font-size:100%}</style><span class="IPA-label IPA-label-small">Czech pronunciation:</span> <span class="IPA nowrap" lang="cs-Latn-fonipa"><a href="/wiki/Help:IPA/Czech" title="Help:IPA/Czech">[ˈpr̝̊iːdoliː]</a></span>) is the uppermost subdivision of the <a href="/wiki/Silurian_Period" class="mw-redirect" title="Silurian Period">Silurian Period</a>, dated at between 423 ± 2.3 and 419.2 ± 3.2 mya (million years ago). The Přídolí Epoch succeeds the <a href="/wiki/Ludfordian" title="Ludfordian">Ludfordian</a> Stage and precedes the <a href="/wiki/Lochkovian" title="Lochkovian">Lochkovian</a>, the lowest of three stages within the <a href="/wiki/Lower_Devonian" class="mw-redirect" title="Lower Devonian">Lower Devonian</a> <a href="/wiki/Geological_epoch" class="mw-redirect" title="Geological epoch">geological epoch</a>. It is named after one locality at the <i><a href="/w/index.php?title=Homolka_a_P%C5%99%C3%ADdol%C3%AD&action=edit&redlink=1" class="new" title="Homolka a Přídolí (page does not exist)">Homolka a Přídolí</a></i> <a href="/wiki/Nature_reserve" title="Nature reserve">nature reserve</a> near the <a href="/wiki/Prague" title="Prague">Prague</a> suburb, <a href="/wiki/Slivenec" title="Slivenec">Slivenec</a>, in the <a href="/wiki/Czech_Republic" title="Czech Republic">Czech Republic</a>.<sup id="cite_ref-a2004_7-0" class="reference"><a href="#cite_note-a2004-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> The GSSP is located within the <a href="/w/index.php?title=Po%C5%BE%C3%A1ry_Formation&action=edit&redlink=1" class="new" title="Požáry Formation (page does not exist)">Požáry Formation</a>, overlying the <a href="/w/index.php?title=Kopanina_Formation&action=edit&redlink=1" class="new" title="Kopanina Formation (page does not exist)">Kopanina Formation</a>. Přídolí is the old name of a <a href="/wiki/Cadastral" class="mw-redirect" title="Cadastral">cadastral</a> field area.<sup id="cite_ref-8" class="reference"><a href="#cite_note-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> </p><p>The <a href="/wiki/%C5%A0ilal%C4%97_Event" title="Šilalė Event">Šilalė Event</a>, a negative carbon isotope excursion corresponding to an extinction event of <a href="/wiki/Conodont" title="Conodont">conodonts</a>, occurred during the early Pridoli.<sup id="cite_ref-9" class="reference"><a href="#cite_note-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> </p> <figure class="mw-halign-left" typeof="mw:File/Thumb"><a href="/wiki/File:Gondwana_420_Ma.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/c/cb/Gondwana_420_Ma.png/300px-Gondwana_420_Ma.png" decoding="async" width="300" height="294" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/cb/Gondwana_420_Ma.png/450px-Gondwana_420_Ma.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/cb/Gondwana_420_Ma.png/600px-Gondwana_420_Ma.png 2x" data-file-width="807" data-file-height="791" /></a><figcaption>Gondwana during the Přídolí, 420 Ma</figcaption></figure> <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=Pridoli_Epoch&action=edit&section=1" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-Jeppsson2007-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-Jeppsson2007_1-0">^</a></b></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite id="CITEREFJeppsson,_L.Calner,_M.2007" class="citation journal cs1">Jeppsson, L.; Calner, M. (2007). "The Silurian Mulde Event and a scenario for secundo—secundo events". <i>Earth and Environmental Science Transactions of the Royal Society of Edinburgh</i>. <b>93</b> (02): 135–154. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1017%2FS0263593300000377">10.1017/S0263593300000377</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Earth+and+Environmental+Science+Transactions+of+the+Royal+Society+of+Edinburgh&rft.atitle=The+Silurian+Mulde+Event+and+a+scenario+for+secundo%E2%80%94secundo+events&rft.volume=93&rft.issue=02&rft.pages=135-154&rft.date=2007&rft_id=info%3Adoi%2F10.1017%2FS0263593300000377&rft.au=Jeppsson%2C+L.&rft.au=Calner%2C+M.&rfr_id=info%3Asid%2Fen.wikipedia.org%3APridoli+Epoch" class="Z3988"></span></span> </li> <li id="cite_note-Munnecke2003-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-Munnecke2003_2-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFMunnecke,_A.Samtleben,_C.Bickert,_T.2003" class="citation journal cs1">Munnecke, A.; Samtleben, C.; Bickert, T. (2003). "The Ireviken Event in the lower Silurian of Gotland, Sweden-relation to similar Palaeozoic and Proterozoic events". <i>Palaeogeography, Palaeoclimatology, Palaeoecology</i>. <b>195</b> (1): 99–124. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1016%2FS0031-0182%2803%2900304-3">10.1016/S0031-0182(03)00304-3</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Palaeogeography%2C+Palaeoclimatology%2C+Palaeoecology&rft.atitle=The+Ireviken+Event+in+the+lower+Silurian+of+Gotland%2C+Sweden-relation+to+similar+Palaeozoic+and+Proterozoic+events&rft.volume=195&rft.issue=1&rft.pages=99-124&rft.date=2003&rft_id=info%3Adoi%2F10.1016%2FS0031-0182%2803%2900304-3&rft.au=Munnecke%2C+A.&rft.au=Samtleben%2C+C.&rft.au=Bickert%2C+T.&rfr_id=info%3Asid%2Fen.wikipedia.org%3APridoli+Epoch" class="Z3988"></span></span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-3">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://stratigraphy.org/ICSchart/ChronostratChart2023-09.pdf">"International Chronostratigraphic Chart"</a> <span class="cs1-format">(PDF)</span>. <i><a href="/wiki/International_Commission_on_Stratigraphy" title="International Commission on Stratigraphy">International Commission on Stratigraphy</a></i>. 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class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:26ch"><a href="/wiki/Quaternary" title="Quaternary">Quaternary <span class="nobold">(present–2.58 Ma)</span></a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Holocene" title="Holocene">Holocene (present–11.7 ka)</a></li> <li><a href="/wiki/Pleistocene" title="Pleistocene">Pleistocene (11.7 ka–2.58 Ma)</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:26ch"><a href="/wiki/Neogene" title="Neogene">Neogene <span class="nobold">(2.58–23.0 Ma)</span></a></th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Pliocene" title="Pliocene">Pliocene (2.59–5.33 Ma)</a></li> <li><a href="/wiki/Miocene" title="Miocene">Miocene (5.33–23.0 Ma)</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:26ch"><a href="/wiki/Paleogene" title="Paleogene">Paleogene <span class="nobold">(23.0–66.0 Ma)</span></a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Oligocene" title="Oligocene">Oligocene (23.0–33.9 Ma)</a></li> <li><a href="/wiki/Eocene" title="Eocene">Eocene (33.9–56.0 Ma)</a></li> <li><a href="/wiki/Paleocene" title="Paleocene">Paleocene (56.0–66.0 Ma)</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Mesozoic" title="Mesozoic">Mesozoic Era<br /><span class="nobold">(66.0–252 Ma)</span></a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:26ch"><a href="/wiki/Cretaceous" title="Cretaceous">Cretaceous <span class="nobold">(66.0–145 Ma)</span></a></th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Late_Cretaceous" title="Late Cretaceous">Late (66.0–100 Ma)</a></li> <li><a href="/wiki/Early_Cretaceous" title="Early Cretaceous">Early (100–145 Ma)</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:26ch"><a href="/wiki/Jurassic" title="Jurassic">Jurassic <span class="nobold">(145–201 Ma)</span></a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Late_Jurassic" title="Late Jurassic">Late (145–164 Ma)</a></li> <li><a href="/wiki/Middle_Jurassic" title="Middle Jurassic">Middle (164–174 Ma)</a></li> <li><a href="/wiki/Early_Jurassic" title="Early Jurassic">Early (174–201 Ma)</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:26ch"><a href="/wiki/Triassic" title="Triassic">Triassic <span class="nobold">(201–252 Ma)</span></a></th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Late_Triassic" title="Late Triassic">Late (201–237 Ma)</a></li> <li><a href="/wiki/Middle_Triassic" title="Middle Triassic">Middle (237–247 Ma)</a></li> <li><a href="/wiki/Early_Triassic" title="Early Triassic">Early (247–252 Ma)</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Paleozoic" title="Paleozoic">Paleozoic Era<br /><span class="nobold">(252–539 Ma)</span></a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:26ch"><a href="/wiki/Permian" title="Permian">Permian <span class="nobold">(252–299 Ma)</span></a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Lopingian" title="Lopingian">Lopingian (252–260 Ma)</a></li> <li><a href="/wiki/Guadalupian" title="Guadalupian">Guadalupian (260–272 Ma)</a></li> <li><a href="/wiki/Cisuralian" title="Cisuralian">Cisuralian (272–299 Ma)</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:26ch"><a href="/wiki/Carboniferous" title="Carboniferous">Carboniferous <span class="nobold">(299–359 Ma)</span></a></th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Pennsylvanian_(geology)" title="Pennsylvanian (geology)">Pennsylvanian (299–323 Ma)</a></li> <li><a href="/wiki/Mississippian_(geology)" title="Mississippian (geology)">Mississippian (323–359 Ma)</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:26ch"><a href="/wiki/Devonian" title="Devonian">Devonian <span class="nobold">(359–419 Ma)</span></a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Late_Devonian" class="mw-redirect" title="Late Devonian">Late (359–383 Ma)</a></li> <li><a href="/wiki/Middle_Devonian" title="Middle Devonian">Middle (383–393 Ma)</a></li> <li><a href="/wiki/Early_Devonian" title="Early Devonian">Early (393–419 Ma)</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:26ch"><a href="/wiki/Silurian" title="Silurian">Silurian <span class="nobold">(419–444 Ma)</span></a></th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a class="mw-selflink selflink">Pridoli (419–423 Ma)</a></li> <li><a href="/wiki/Ludlow_Epoch" title="Ludlow Epoch">Ludlow (423–427 Ma)</a></li> <li><a href="/wiki/Wenlock_Epoch" title="Wenlock Epoch">Wenlock (427–433 Ma)</a></li> <li><a href="/wiki/Llandovery_Epoch" title="Llandovery Epoch">Llandovery (433–444 Ma)</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:26ch"><a href="/wiki/Ordovician" title="Ordovician">Ordovician <span class="nobold">(444–485 Ma)</span></a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Late_Ordovician" title="Late Ordovician">Late (444–458 Ma)</a></li> <li><a href="/wiki/Middle_Ordovician" class="mw-redirect" title="Middle Ordovician">Middle (458–470 Ma)</a></li> <li><a href="/wiki/Early_Ordovician" title="Early Ordovician">Early (470–485 Ma)</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:26ch"><a href="/wiki/Cambrian" title="Cambrian">Cambrian <span class="nobold">(485–539 Ma)</span></a></th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Furongian" title="Furongian">Furongian (485–497 Ma)</a></li> <li><a href="/wiki/Miaolingian" title="Miaolingian">Miaolingian (497–509 Ma)</a></li> <li><a href="/wiki/Cambrian_Series_2" title="Cambrian Series 2">Series 2 (509–521 Ma)</a></li> <li><a href="/wiki/Terreneuvian" title="Terreneuvian">Terreneuvian (521–539 Ma)</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Proterozoic" title="Proterozoic">Proterozoic Eon<br /><span class="nobold">(539 Ma–2.5 Ga)</span></a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:26ch"><a href="/wiki/Neoproterozoic" title="Neoproterozoic">Neoproterozoic <span class="nobold">(539 Ma–1 Ga)</span></a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Ediacaran" title="Ediacaran">Ediacaran (539–635 Ma)</a></li> <li><a href="/wiki/Cryogenian" title="Cryogenian">Cryogenian (635–720 Ma)</a></li> <li><a href="/wiki/Tonian" title="Tonian">Tonian (720 Ma–1 Ga)</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:26ch"><a href="/wiki/Mesoproterozoic" title="Mesoproterozoic">Mesoproterozoic <span class="nobold">(1–1.6 Ga)</span></a></th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Stenian" title="Stenian">Stenian (1–1.2 Ga)</a></li> <li><a href="/wiki/Ectasian" title="Ectasian">Ectasian (1.2–1.4 Ga)</a></li> <li><a href="/wiki/Calymmian" title="Calymmian">Calymmian (1.4–1.6 Ga)</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:26ch"><a href="/wiki/Paleoproterozoic" title="Paleoproterozoic">Paleoproterozoic <span class="nobold">(1.6–2.5 Ga)</span></a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Statherian" title="Statherian">Statherian (1.6–1.8 Ga)</a></li> <li><a href="/wiki/Orosirian" title="Orosirian">Orosirian (1.8–2.05 Ga)</a></li> <li><a href="/wiki/Rhyacian" title="Rhyacian">Rhyacian (2.05–2.3 Ga)</a></li> <li><a href="/wiki/Siderian" title="Siderian">Siderian (2.3–2.5 Ga)</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Archean" title="Archean">Archean Eon <span class="nobold">(2.5–4 Ga)</span></a></th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Neoarchean" title="Neoarchean">Neoarchean (2.5–2.8 Ga)</a></li> <li><a href="/wiki/Mesoarchean" title="Mesoarchean">Mesoarchean (2.8–3.2 Ga)</a></li> <li><a href="/wiki/Paleoarchean" title="Paleoarchean">Paleoarchean (3.2–3.6 Ga)</a></li> <li><a href="/wiki/Eoarchean" title="Eoarchean">Eoarchean (3.6–4 Ga)</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Hadean" title="Hadean">Hadean Eon <span class="nobold">(4–4.6 Ga)</span></a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> </div></td></tr><tr><td class="navbox-abovebelow" colspan="2"><div><a href="/wiki/Year#SI_prefix_multipliers" title="Year">ka</a> = kiloannum (thousand years ago); <a href="/wiki/Year#SI_prefix_multipliers" title="Year">Ma</a> = megaannum (million years ago); <a href="/wiki/Year#SI_prefix_multipliers" title="Year">Ga</a> = gigaannum (billion years ago).<br /> <i>See also:</i> <a href="/wiki/Geologic_time_scale" title="Geologic time scale">Geologic time scale</a>  •  <span class="nowrap"><span class="noviewer" typeof="mw:File"><a href="/wiki/File:WikiProject_Geology.svg" class="mw-file-description"><img alt="icon" src="//upload.wikimedia.org/wikipedia/commons/thumb/e/e7/WikiProject_Geology.svg/16px-WikiProject_Geology.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/e7/WikiProject_Geology.svg/24px-WikiProject_Geology.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/e7/WikiProject_Geology.svg/32px-WikiProject_Geology.svg.png 2x" data-file-width="327" data-file-height="328" /></a></span> </span><a href="/wiki/Portal:Geology" title="Portal:Geology">Geology portal</a>  •  <span class="nowrap"><span class="noviewer" 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You can help Wikipedia by <a class="external text" href="https://en.wikipedia.org/w/index.php?title=Pridoli_Epoch&action=edit">expanding it</a>.</p></td></tr></tbody></table><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239400231"><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Silurian-stub" title="Template:Silurian-stub"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Silurian-stub" title="Template talk:Silurian-stub"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Silurian-stub" title="Special:EditPage/Template:Silurian-stub"><abbr title="Edit this template">e</abbr></a></li></ul></div></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1012311289"><div role="note" class="metadata plainlinks asbox stub"><table role="presentation"><tbody><tr class="noresize"><td><span typeof="mw:File"><a href="/wiki/File:Geological_time_spiral.png" class="mw-file-description"><img alt="Stub icon" src="//upload.wikimedia.org/wikipedia/commons/thumb/7/79/Geological_time_spiral.png/34px-Geological_time_spiral.png" decoding="async" width="34" height="30" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/79/Geological_time_spiral.png/51px-Geological_time_spiral.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/79/Geological_time_spiral.png/68px-Geological_time_spiral.png 2x" data-file-width="2424" data-file-height="2145" /></a></span></td><td><p class="asbox-body">This <a href="/wiki/Geochronology" title="Geochronology">geochronology</a> article is a <a href="/wiki/Wikipedia:Stub" title="Wikipedia:Stub">stub</a>. 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