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

This interval is used in the definition of 34 collections

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