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Template:Period start - Revision history
2026-04-05T02:45:13Z
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>Primefac: update from sandbox (TPER)
2025-01-03T10:17:47Z
<p>update from sandbox (TPER)</p>
<p><b>New page</b></p><div><includeonly>{{#expr:{{#switch: {{Period id|{{{1|{{PAGENAME}}}}}}}<br />
<br />
<!-- Some other notable dates --><br />
<br />
|burgess shale|middle middle cambrian<!--Middle middle is approximate; cf. Burgess Shale-->=508<br />
|chengjiang=518<br />
|sirius passet=518<br />
|doushantou=570<br />
<br />
<!-- Data from ICS chart<br />
<br />
| Supereon<br />
| Eon<br />
| Era<br />
| Period<br />
| Epoch/Series<br />
| Age/Stage<br />
| other division (other sources - not in ICS chart)<br />
The names from the ICS chart are always first on the line.<br />
--><br />
| precambrian<br />
| hadean = 4567<br />
| archean<br />
| eoarchean | isuan = 4031<br />
| paleoarchean = 3600<br />
| mesoarchean = 3200<br />
| neoarchean = 2800<br />
| proterozoic<br />
| paleoproterozoic<br />
| siderian = 2500<br />
| rhyacian = 2300<br />
| orosirian = 2050<br />
| statherian = 1800<br />
| mesoproterozoic<br />
| calymmian = 1600<br />
| ectasian | riphean<br />
= 1400<br />
| stenian = 1200<br />
| mayanian = 1100<br />
| sinian | sturtian<br />
= 1050<br />
| neoproterozoic<br />
| tonian = 1000<br />
| baikalian = 850 <br />
| cryogenian = 720<br />
| ediacaran | vendian<br />
= 635<br />
<!-- end of precambrian --><br />
| phanerozoic<br />
| paleozoic<br />
| cambrian<br />
| lower cambrian <!-- group of two epochs, not in ICS chart --><br />
| terreneuvian | lowest cambrian | earliest cambrian<br />
| fortunian<br />
| manykaian | nemakit daldynian<br />
= 538.8<br />
| caerfai | tommotian<br />
= 530<br />
| cambrian stage 2<br />
= 529<br />
| cambrian series 2<br />
| cambrian stage 3 | middle lower cambrian<br />
| atdabanian = 521<br />
| botomian = 522<br />
| toyonian | upper lower cambrian<br />
= 516<br />
| cambrian stage 4<br />
= 514.5<br />
<!-- end of lower cambrian --><br />
| cambrian series 3 | middle cambrian | miaolingian<br />
| cambrian stage 5 | lower middle cambrian | st davids | wuliuan<br />
= 506.5<br />
| drumian = 504.5<br />
| guzhangian | nganasanian | mindyallan<br />
= 500.5<br />
| furongian | upper cambrian | merioneth<br />
| paibian | franconian<!--unofficial and approximate!--><br />
= 497<br />
| jiangshanian = 494.2<br />
| upper upper cambrian | mansian<br />
= 489.5<br />
| cambrian stage 10 = 491.0<br />
| ordovician<br />
| lower ordovician<br />
| tremadocian = 486.85<br />
| upper lower ordovician<br />
= 479<br />
| floian | arenig<br />
= 477.1<br />
| middle ordovician<br />
| dapingian | ordovician iii | lower middle ordovician<br />
= 471.3<br />
| darriwilian = 469.4<br />
| upper ordovician<br />
| sandbian | ordovician v | lower upper ordovician<br />
= 458.2<br />
| middle upper ordovician<br />
= 455<br />
| katian | ordovician vi<br />
= 452.8<br />
| hirnantian = 445.2<br />
| silurian<br />
| llandovery | lower silurian<br />
| rhuddanian = 443.1<br />
| aeronian = 440.5<br />
| telychian = 438.6<br />
| wenlock<br />
| sheinwoodian = 432.9<br />
| homerian = 430.6<br />
| ludlow | upper silurian<br />
| gorstian = 426.7<br />
| ludfordian = 425<br />
| pridoli<br />
| unnamed pridoli stage<br />
= 422.7<br />
| devonian<br />
| lower devonian<br />
| lochkovian | downtonian<!--approx--><br />
= 419.62<br />
| pragian | praghian<br />
= 413.02<br />
| emsian = 410.62<br />
| middle devonian<br />
| eifelian = 393.47<br />
| givetian = 387.95<br />
| upper devonian<br />
| frasnian = 382.31<br />
| famennian = 372.15<br />
| carboniferous<br />
| mississippian | lower carboniferous <!-- Subperiod from ICS chart --><br />
| lower mississippian<br />
| tournaisian = 358.86<br />
| middle mississippian<br />
| visean = 346.7<br />
| upper mississippian<br />
| serpukhovian = 330.3<br />
| namurian = 326<br />
| pennsylvanian | upper carboniferous <!-- Subperiod from ICS chart --><br />
| lower pennsylvanian<br />
| bashkirian = 323.4<br />
| westphalian= 313<br />
| middle pennsylvanian<br />
| moscovian = 315.2<br />
| upper pennsylvanian<br />
| kasimovian = 307.0<br />
| stephanian = 304<br />
| gzhelian = 303.7<br />
| permian<br />
| cisuralian | lower permian<br />
| asselian = 298.9<br />
| sakmarian = 293.52<br />
| artinskian = 290.1<br />
| kungurian = 283.3<br />
| guadalupian | middle permian<br />
| roadian | ufimian<br />
= 274.4<br />
| wordian = 266.9<br />
| capitanian = 264.28<br />
| lopingian | upper permian<br />
| wuchiapingian | longtanian<br />
= 259.51<br />
| changhsingian= 254.14<br />
| mesozoic<br />
| triassic<br />
| lower triassic<br />
| induan = 251.902<br />
| olenekian | spathian<br />
= 249.9<br />
| middle triassic <br />
| anisian = 246.7<br />
| ladinian = 241.464<br />
| upper triassic<br />
| carnian = 237<br />
| norian = 227.3<br />
| rhaetian = 205.7<br />
| jurassic<br />
| lower jurassic<br />
| hettangian = 201.4<br />
| sinemurian = 199.5<br />
| pliensbachian= 192.9<br />
| toarcian = 184.2<br />
| middle jurassic<br />
| aalenian = 174.7<br />
| bajocian = 170.9<br />
| bathonian = 168.2<br />
| callovian = 165.3<br />
| upper jurassic<br />
| oxfordian = 161.5<br />
| kimmeridgian = 154.8<br />
| tithonian = 149.2<br />
| cretaceous<br />
| lower cretaceous<br />
| berriasian | neocomian<br />
= 143.1<br />
| valanginian = 137.05<br />
| hauterivian = 132.6<br />
| barremian | gallic<br />
= 125.77<br />
| aptian = 121.4<br />
| albian = 113.2<br />
| upper cretaceous<br />
| cenomanian = 100.5<br />
| turonian = 93.9<br />
| coniacian | senonian<br />
= 89.8<br />
| santonian = 85.7<br />
| campanian = 83.6<br />
| maastrichtian= 72.2<br />
| cenozoic<br />
| tertiary <!-- Group of 2 periods, former term --><br />
| paleogene<br />
| paleocene<br />
| danian | lower paleocene<br />
= 66.0<br />
| puercan = 65<br />
| torrejonian= 63.3<br />
| selandian | middle paleocene<br />
= 61.66<br />
| tiffanian = 60.2<br />
| thanetian | upper paleocene<br />
= 59.24<br />
| clarkforkian<br />
= 56.8<br />
| eocene<br />
| ypresian | lower eocene | mp 10<br />
= 56.00<br />
| wasatchian = 55.4<br />
| bridgerian = 50.3<br />
| middle eocene <!-- Group of two stages, not in ICS chart --><br />
| lutetian | mp 11<br />
= 48.07<br />
| uintan = 46.2<br />
| duchesnean = 42<br />
| bartonian = 41.03<br />
| chadronian = 38<br />
<!-- end of middle eocene --><br />
| priabonian | upper eocene<br />
= 37.71<br />
| oligocene<br />
| rupelian | lower oligocene<br />
| orellan = 33.90<br />
| whitneyan = 33.3<br />
| arikeean = 30.6<br />
| chattian | upper oligocene<br />
= 27.30<br />
| neogene<br />
| miocene<br />
| lower miocene<br />
| aquitanian = 23.04<br />
| hemingfordian<br />
= 20.6<br />
| burdigalian = 20.45<br />
| barstovian = 16.3<br />
| middle miocene<br />
| langhian = 15.98<br />
| serravallian = 13.82<br />
| clarendonian<br />
= 13.6<br />
| upper miocene<br />
| tortonian = 11.63<br />
| hemphillian= 10.3<br />
| messinian = 7.246<br />
| pliocene<br />
| zanclean | lower pliocene<br />
= 5.333<br />
| blancan = 4.75<br />
| piacenzian | upper pliocene<br />
= 3.600<br />
<!-- end of tertiary --><br />
| quaternary<br />
| pleistocene<br />
| lower pleistocene<br />
| gelasian = 2.58<br />
| calabrian = 1.80<br />
| irvingtonian<br />
= 1.8<br />
<!-- end of lower pleistocene --><br />
| middle pleistocene | ionian | chibanian<!--the name "Chibanian" was formally adopted for this stage by the ICS in January 2020. The term "Ionian" was a proposed term for this same span of time.--><br />
= 0.774<!--this date has been redefined by the ICS.--><br />
| rancholabrean<br />
= 0.24<br />
| upper pleistocene | tarantian<!--proposed name for this as-yet formally undefined stage--><br />
= 0.129<!--this date has been redefined by the ICS.--><br />
| holocene<br />
| greenlandian | lower holocene <br />
= 0.0117<br />
| northgrippian | middle holocene<br />
=0.0082<br />
| meghalayan | upper holocene<br />
=0.0042<br />
| <br />
| now | recent | present | current<br />
= 0<br />
<br />
}} round {{{2|5}}}}}</includeonly><noinclude>{{documentation}}</noinclude></div>
>Primefac