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

This interval is used in the definition of 34 collections

A total of 86892 collections with 553047 occurrences lie within this time span