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

This interval is used in the definition of 34 collections

A total of 86955 collections with 553865 occurrences lie within this time span