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

This interval is used in the definition of 34 collections

A total of 86954 collections with 553855 occurrences lie within this time span