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