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

This interval is used in the definition of 34 collections

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