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

This interval is used in the definition of 34 collections

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