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

This interval is used in the definition of 34 collections

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