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

This interval is used in the definition of 33 collections

A total of 86684 collections with 551841 occurrences lie within this time span