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