538.8 - 251.902 Ma

The definition of this interval in the timescale International Chronostratigraphic Timescale is taken from the following source:

• K. M. Cohen, S.C. Finney, P.L. Gibbard and J.-X. Fan. 2023. The ICS International Chronostratigraphic Chart v2023/09. view

There are intervals in 40 timescales which overlap this one. show

• International Chronostratigraphic Timescale: Darriwilian age, Stage 2 age, Famennian age, Hirnantian age, Ludfordian age, Late Ordovician epoch, Homerian age, Stage 3 age, Katian age, Aeronian age, Emsian age, Guzhangian age, Sakmarian age, Fortunian age, Wenlock epoch, Pennsylvanian epoch, Stage 10 age, Series 2 epoch, Asselian age, Tremadocian age, Rhuddanian age, Eifelian age, Mississippian epoch, Moscovian age, Pragian age, Wuliuan age, Early Ordovician epoch, Terreneuvian epoch, Lochkovian age, Roadian age, Sheinwoodian age, Kungurian age, Gzhelian age, Floian age, Bashkirian age, Changhsingian age, Wordian age, Guadalupian epoch, Pridoli epoch, Tournaisian age, Frasnian age, Drumian age, Sandbian age, Kasimovian age, Stage 4 age, Furongian epoch, Cisuralian epoch, Middle Ordovician epoch, Dapingian age, Paibian age, Late Devonian epoch, Visean age, Givetian age, Early Devonian epoch, Ludlow epoch, Lopingian epoch, Capitanian age, Miaolingian epoch, Wuchiapingian age, Gorstian age, Serpukhovian age, Telychian age, Jiangshanian age, Llandovery epoch, Artinskian age, Middle Devonian epoch
• Obsolete Names for ICS Units: Longtanian age, Stage 5 age, Series 3 epoch
• Carboniferous Subepochs: Early Mississippian subepoch, Middle Pennsylvanian subepoch, Middle Mississippian subepoch, Early Pennsylvanian subepoch, Late Pennsylvanian subepoch, Late Mississippian subepoch
• Devonian Subages: Early Emsian subage, Early Frasnian subage, Middle Famennian subage, Late Givetian subage, Early Givetian subage, Early Eifelian subage, Middle Givetian subage, Early Famennian subage, Late Eifelian subage, Late Emsian subage, Middle Frasnian subage, Late Frasnian subage, Middle Lochkovian subage, Late Lochkovian subage, Late Famennian subage, Early Lochkovian subage
• Cambrian Epochs: Late Cambrian epoch, Early Cambrian epoch, Middle Cambrian epoch
• Permian of the Russian Platform: Uskalykian subage, Ufimian subage, Saraninian subage, Povolzhian subage, Filipovian subage, Tatarian age, Shikhanian subage, Sokian subage, Surenian subage, Irginian subage, Vyatkian subage, Kazanian age, Severodvinian subage, Tastubian subage, Burtsevian subage, Sterlitamakian subage, Urzhumian subage, Irenian subage, Sarginian subage
• Permian of the Pamirs: Dzhulfian age, Murgabian age, Bolorian age, Dorashamian age, Midian age, Kubergandian age, Yakhtashian age
• Permo-Triassic Subages of Eastern Europe: Late Severodvinian subage, Late Urzhumian subage, Early Vyatkian subage, Late Kazanian subage, Early Severodvinian subage, Early Kazanian subage, Early Urzhumian subage, Late Vyatkian subage
• Permian Subages of Germany: Buntsandstein subage, Ohre subage, Leine subage, Aller subage
• Permian of Western Europe: Autunian epoch, Zechstein epoch, Rotliegendes epoch
• Permian of the Salt Range: Amb age, Kathwai age, Wargal age, Kalabagh age, Chhidru age
• Permian of China: Kuhfengian age, Longlinian age, Laoshanian age, Zisongian age, Luodianian age, Lengwuan age, Meishanian age, Baoqingian age, Laibinian age
• Permian of North America: Lenoxian subage, Cathedralian subage, Nealian subage, Wolfcampian age, Hessian subage, Leonardian age
• Carbo-Permian of the Russian Platform: Protvian subage, Noginskian subage, Radaevkian subage, Melekhovian subage, Kizelian subage, Melekessian subage, Voznesenian subage, Cherepetian subage, Vereian subage, Bobrikian subage, Pavlovoposadian subage, Myachkovian subage, Steshevian subage, Dorogomilovian subage, Krasnopolyanian subage, Cheremshanian subage, Khamovnikian subage, Kashirian subage, Severokeltmian subage, Kosvian subage, Venevian subage, Karakubian subage, Malevkian subage, Tulian subage, Gumerovian subage, Zapaltjubian subage, Rusavkinian subage, Aleksinian subage, Mikhailovian subage, Krevyakinian subage, Tarusian subage, Upinian subage, Prikamian subage, Podolskian subage
• Carboniferous of Western Europe: Marsdenian subage, Asbian subage, Stephanian B subage, Stephanian age, Chadian subage, Chokierian subage, Holkerian subage, Westphalian age, Arundian subage, Stephanian C subage, Yeadonian subage, Westphalian A subage, Brigantian subage, Hastarian age, Warnantian age, Westphalian B subage, Moliniacian age, Arnsbergian subage, Alportian subage, Livian age, Cantabrian subage, Stephanian A subage, Namurian age, Ivorian age, Kinderscoutian subage, Kuzel age, Pendleian subage, Westphalian C subage, Westphalian D subage
• Carboniferous of China: Dewunian age, Tangbagouan age, Jiusian age, Lousuan age, Huashibanian age, Xiaodushanian age, Shangsian age, Dalaun age
• Obsolete Carboniferous Ages of China: Mapingian age
• Carboniferous of North America: Desmoinesian age, Virgilian age, Atokan age, Osagean age, Meramecian age, Morrowan age, Missourian age, Bursumian age, Chesterian age, Kinderhookian age
• Devonian of France: Couvinien age, Coblencien age, Gedinnine age
• Devonian of Germany: Dasberg age, Siegen age, Nehden age, Adorf age, Hemberg age, Wocklum age
• Devonian of Czechoslovakia: Daleje age, Srbsko age, Zlichovian age, Chotec age
• Devonian of Eastern North America: Tioughniogan age, West Fallsian age, Taghanican age, Sonyean age, Sawkillian age, Deer Parkian age, Conewangan age, Cazenovian age, Conneautan age, Southwoodian age, Canadaway age, Geneseean age, Helderbergian age
• Silurian of the Baltic: Adavere age, Juuru age, Jaani age, Ohesaare age, Raikkula age, Kuressaare age, Jaagarahu age, Rootsikula age, Paadla age, Kaugetuma age
• Silurian Ages of Europe: Whitwellian age, Gleedonian age
• Silurian of England: Wych age, Tickwood age, Downton Castle age, Temeside Shales age, Coalbrookdale age, Woolhope age, Cowleigh Park age, Elton age, Bringewood age, Whitcliffe age, Buildwas age, Leintwardine age, Red Downtonian age, Wenlock (England) age
• Silurian of North America: Alexandrian age, Medinan age, Niagaran age, Lockportian age, Ontarian age, Cayugan age, Clinton age
• Ordovician of Britain: Rawtheyan age, Burrellian age, Middle Llandeilo age, Harnagian age, Moridunian age, Early Llanvirn age, Actonian age, Soudleyan age, Woolstonian age, Costonian age, Cautleyan age, Migneintian age, Late Llandeilo age, Cheneyan age, Tremadoc epoch, Caradoc epoch, Longvillian age, Aurelucian age, Pusgillian age, Llanvirn epoch, Arenig epoch, Late Llanvirn age, Fennian age, Ashgill epoch, Abereiddian age, Whitlandian age, Streffordian age, Onnian age, Llandeilian age, Llandeilo age, Marshbrookian age, Early Llandeilo age, Cressagian age
• Ordovician of the Baltic: Nabala age, Viru epoch, Billingen age, Pakerort age, Kunda age, Kukruse age, Oeland epoch, Aseri age, Porkuni age, Saka age, Vormsi age, Uhaku age, Varangu age, Hunneberg age, Rakvere age, Valaste age, Latorp age, Johvi age, Keila age, Vaana age, Hunderum age, Idavere age, Pirgu age, Haljala age, Langevoja age, Harju epoch, Lasnamagi age, Aluoja age, Volkhov age, Oandu age
• Ordovician of Ibero-Bohemia: Arenigian age, Klabava age, Bohdalec age, Zahorany age, Oretanian age, Liben age, Vinice age, Berounian age, Kosovian age, Kralodvorian age, Letna age, Sarka age, Dobrotivian age
• Ordovician of Australia: Warendian age, Eastonian age, Gisbornian age, Bolindian age, Chewtonian age, Bendigonian age, Yapeenian age, Castlemainian age, Lancefieldian age
• Ordovician of China: Xinchangian age, Xiaoxita age, Hanjiang age, Daobaowan age, Dawan age, Guniu age, Wufeng age, Shikou age, Neichianshanian age, Hunjiang age, Hulo age, Lianghekou age, Ningkuo age, Chientangkiangian age, Yiyangian age
• Ordovician of North America: Chazyan age, Edenian age, Ashbyan age, Shermanian age, Richmondian age, Rangerian age, Turinian age, Maysvillian age, Gasconadian age, Marmor age, Canadian age, Skullrockian age, Wildernessian age, Stairsian age, Cincinnatian epoch, Rocklandian age, Jeffersonian age, Blackriveran age, Whiterockian epoch, Blackhillsian age, Ibexian epoch, Trentonian age, Cassinian age, Tulean age, Gamachian age, Demingian age, Mohawkian epoch, Franklinian age, Chatfieldian age, Kirkfieldian age
• Cambrian of China: Taijangian age, Waergangian age, Meishucunian age, Taoyuanian age, Youshuanian age, Wangcunian age, Jinnigian age, Nangaoian age, Niuchehean age, Duyunian age
• Cambrian of Australia: Boomerangian age, Ordian age, Templetonian age, Undillan age, Datsonian age, Idamean age, Iverian age, Mindyallan age, Payntonian age, Floran age
• Cambrian of Siberia: Toyonian age, Amgan age, Nganasanian age, Batyrbaian age, Tavgian age, Nemakit-Daldynian age, Maduan age, Menevian age, Atdabanian age, Ketyan age, Sakian age, Mayan age, Lenian age, Aksaian age, Botomian age, Tommotian age, Mansian age, Ensyan age, Ayusokkanian age, Solvan age, Yurakian age
• Cambrian of Kazakhstan: Ungurian age, Tuesaian age, Zhanaarykian age
• Cambrian of North America: Delamaran age, Waucoban age, Dyeran age, Topazan age, Sunwaptan age, Steptoean age, Albertian age, Franconian age, Marjumian age, Dresbachian age, Begadean age, Montezuman age, Millardan age
• Cambrian of West Avalonia: Placentian age, Arcadian age, Branchian age
• Cambrian of Britain: Trempealeauan age, Dolgellian age, Maentwrogian age
• Permian-Jurassic of New Zealand: DUrville epoch, Makarewan age, Puruhauan age, Flettian age, Barettian age, Aparima epoch, Waiitian age, Mangapirian age, Telfordian age

This interval is used in the definition of 34 collections

A total of 87404 collections with 557533 occurrences lie within this time span