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

This interval is used in the definition of 34 collections

A total of 86938 collections with 553498 occurrences lie within this time span