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

This interval is used in the definition of 34 collections

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