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

This interval is used in the definition of 34 collections

A total of 86938 collections with 553498 occurrences lie within this time span