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

This interval is used in the definition of 34 collections

A total of 87699 collections with 558903 occurrences lie within this time span