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: Floian age, Paibian age, Middle Devonian epoch, Aeronian age, Early Devonian epoch, Late Devonian epoch, Furongian epoch, Fortunian age, Lochkovian age, Tournaisian age, Artinskian age, Dapingian age, Terreneuvian epoch, Miaolingian epoch, Bashkirian age, Darriwilian age, Early Ordovician epoch, Stage 2 age, Emsian age, Llandovery epoch, Sheinwoodian age, Middle Ordovician epoch, Sandbian age, Frasnian age, Wordian age, Guzhangian age, Stage 4 age, Pennsylvanian epoch, Drumian age, Jiangshanian age, Pragian age, Series 2 epoch, Capitanian age, Asselian age, Homerian age, Tremadocian age, Mississippian epoch, Cisuralian epoch, Stage 10 age, Givetian age, Sakmarian age, Telychian age, Eifelian age, Visean age, Ludlow epoch, Moscovian age, Pridoli epoch, Gorstian age, Hirnantian age, Wenlock epoch, Guadalupian epoch, Serpukhovian age, Wuchiapingian age, Late Ordovician epoch, Famennian age, Stage 3 age, Kasimovian age, Roadian age, Changhsingian age, Gzhelian age, Lopingian epoch, Rhuddanian age, Wuliuan age, Katian age, Kungurian age, Ludfordian 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, Early Emsian subage, Middle Frasnian subage, Early Frasnian subage, Late Eifelian subage, Early Famennian subage, Early Givetian subage, Late Givetian subage, Late Famennian subage, Early Lochkovian subage, Late Emsian subage, Middle Lochkovian subage, Late Frasnian subage, Early Eifelian subage, Middle Givetian 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, Ufimian subage, Burtsevian subage, Sarginian subage, Saraninian subage, Uskalykian subage, Urzhumian subage, Surenian subage, Shikhanian subage, Tastubian subage, Irenian subage, Povolzhian subage, Sokian subage
• Permian of the Pamirs: Murgabian age, Yakhtashian age, Dorashamian age, Bolorian age, Kubergandian age, Dzhulfian age, Midian age
• Permo-Triassic Subages of Eastern Europe: Early Vyatkian subage, Early Kazanian subage, Late Urzhumian subage, Late Vyatkian subage, Early Urzhumian subage, Late Severodvinian 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, Lengwuan age, Zisongian age, Laibinian age, Baoqingian age, Longlinian age, Laoshanian age, Kuhfengian age
• Permian of North America: Lenoxian subage, Leonardian age, Hessian subage, Nealian subage, Wolfcampian age, Cathedralian subage
• Carbo-Permian of the Russian Platform: Karakubian subage, Prikamian subage, Aleksinian subage, Protvian subage, Melekessian subage, Kizelian subage, Venevian subage, Melekhovian subage, Noginskian subage, Cheremshanian subage, Mikhailovian subage, Podolskian subage, Pavlovoposadian subage, Cherepetian subage, Steshevian subage, Gumerovian subage, Kashirian subage, Rusavkinian subage, Vereian subage, Tarusian subage, Zapaltjubian subage, Krasnopolyanian subage, Dorogomilovian subage, Radaevkian subage, Voznesenian subage, Bobrikian subage, Kosvian subage, Malevkian subage, Krevyakinian subage, Tulian subage, Upinian subage, Myachkovian subage, Khamovnikian subage, Severokeltmian subage
• Carboniferous of Western Europe: Moliniacian age, Stephanian A subage, Yeadonian subage, Arundian subage, Arnsbergian subage, Westphalian B subage, Asbian subage, Kuzel age, Holkerian subage, Westphalian A subage, Stephanian C subage, Westphalian C subage, Pendleian subage, Stephanian B subage, Livian age, Brigantian subage, Chokierian subage, Kinderscoutian subage, Hastarian age, Ivorian age, Alportian subage, Westphalian D subage, Westphalian age, Chadian subage, Warnantian age, Namurian age, Cantabrian subage, Stephanian age, Marsdenian subage
• Carboniferous of China: Lousuan age, Xiaodushanian age, Dalaun age, Dewunian age, Shangsian age, Jiusian age, Tangbagouan age, Huashibanian age
• Obsolete Carboniferous Ages of China: Mapingian age
• Carboniferous of North America: Atokan age, Morrowan age, Bursumian age, Virgilian age, Kinderhookian age, Missourian 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, Southwoodian age, Conneautan age, Sonyean age, Cazenovian age, Geneseean age, West Fallsian age, Canadaway age, Tioughniogan age, Helderbergian age
• Silurian of the Baltic: Kaugetuma age, Ohesaare age, Jaagarahu age, Jaani age, Raikkula age, Adavere age, Rootsikula age, Paadla age, Juuru age, Kuressaare age
• Silurian Ages of Europe: Whitwellian age, Gleedonian age
• Silurian of England: Woolhope age, Leintwardine 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, Niagaran age, Clinton age, Medinan age
• Ordovician of Britain: Streffordian age, Migneintian age, Costonian age, Cressagian age, Moridunian age, Whitlandian age, Harnagian age, Longvillian age, Cautleyan age, Llandeilo age, Burrellian age, Late Llandeilo age, Tremadoc epoch, Llanvirn epoch, Pusgillian age, Actonian age, Aurelucian age, Arenig epoch, Onnian age, Middle Llandeilo age, Rawtheyan age, Cheneyan age, Woolstonian age, Llandeilian age, Late Llanvirn age, Abereiddian age, Early Llandeilo age, Ashgill epoch, Early Llanvirn age, Caradoc epoch, Soudleyan age, Marshbrookian age, Fennian age
• Ordovician of the Baltic: Viru epoch, Oeland epoch, Pakerort age, Nabala age, Idavere age, Hunderum age, Kukruse age, Latorp age, Lasnamagi age, Uhaku age, Valaste age, Harju epoch, Rakvere age, Haljala age, Pirgu age, Langevoja age, Porkuni age, Kunda age, Keila age, Vaana age, Oandu age, Billingen age, Aseri age, Hunneberg age, Saka age, Varangu age, Johvi age, Vormsi age, Volkhov age, Aluoja age
• Ordovician of Ibero-Bohemia: Kosovian age, Vinice age, Oretanian age, Bohdalec age, Klabava age, Kralodvorian age, Sarka age, Berounian age, Arenigian age, Letna age, Dobrotivian age, Zahorany age, Liben 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, Hulo age, Xiaoxita age, Xinchangian age, Guniu age, Yiyangian age, Ningkuo age, Wufeng age, Chientangkiangian age, Lianghekou age, Hanjiang age, Shikou age, Neichianshanian age, Daobaowan age
• Ordovician of North America: Maysvillian age, Richmondian age, Trentonian age, Chatfieldian age, Gamachian age, Wildernessian age, Kirkfieldian age, Jeffersonian age, Rangerian age, Chazyan age, Blackhillsian age, Franklinian age, Cincinnatian epoch, Cassinian age, Tulean age, Gasconadian age, Marmor age, Mohawkian epoch, Turinian age, Ashbyan age, Stairsian age, Edenian age, Whiterockian epoch, Shermanian age, Demingian age, Blackriveran age, Canadian age, Skullrockian age, Rocklandian age, Ibexian epoch
• Cambrian of China: Taoyuanian age, Taijangian age, Nangaoian age, Meishucunian age, Duyunian age, Wangcunian age, Youshuanian age, Niuchehean age, Jinnigian age, Waergangian age
• Cambrian of Australia: Undillan age, Boomerangian age, Floran age, Mindyallan age, Ordian age, Datsonian age, Payntonian age, Templetonian age, Iverian age, Idamean age
• Cambrian of Siberia: Botomian age, Atdabanian age, Ensyan age, Ketyan age, Solvan age, Amgan age, Aksaian age, Lenian age, Yurakian age, Sakian age, Nemakit-Daldynian age, Toyonian age, Batyrbaian age, Ayusokkanian age, Menevian age, Mansian age, Nganasanian age, Tavgian age, Mayan age, Maduan age, Tommotian 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, Waucoban age, Topazan 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