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, Dapingian age, Ludfordian age, Fortunian age, Homerian age, Tremadocian age, Middle Devonian epoch, Katian age, Early Ordovician epoch, Pragian age, Terreneuvian epoch, Tournaisian age, Mississippian epoch, Middle Ordovician epoch, Paibian age, Sakmarian age, Serpukhovian age, Eifelian age, Lochkovian age, Gzhelian age, Early Devonian epoch, Darriwilian age, Visean age, Stage 4 age, Asselian age, Pennsylvanian epoch, Jiangshanian age, Wuliuan age, Kungurian age, Stage 10 age, Wordian age, Givetian age, Cisuralian epoch, Drumian age, Late Devonian epoch, Gorstian age, Aeronian age, Bashkirian age, Stage 3 age, Pridoli epoch, Kasimovian age, Capitanian age, Moscovian age, Sheinwoodian age, Telychian age, Furongian epoch, Roadian age, Late Ordovician epoch, Series 2 epoch, Wuchiapingian age, Floian age, Hirnantian age, Guzhangian age, Lopingian epoch, Llandovery epoch, Sandbian age, Changhsingian age, Miaolingian epoch, Stage 2 age, Ludlow epoch, Famennian age, Rhuddanian age, Wenlock epoch, Artinskian 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, Middle Mississippian subepoch, Early Pennsylvanian 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, Early Frasnian subage, Middle Givetian subage, Middle Lochkovian subage
• Cambrian Epochs: Late Cambrian epoch, Middle Cambrian epoch, Early Cambrian epoch
• Permian of the Russian Platform: Povolzhian subage, Burtsevian subage, Filipovian subage, Sokian subage, Irenian subage, Kazanian age, Tastubian subage, Irginian subage, Saraninian subage, Sarginian subage, Sterlitamakian subage, Surenian subage, Ufimian subage, Uskalykian 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, Early Vyatkian subage, Late Urzhumian subage, Late Severodvinian subage, Early Severodvinian subage, Early Kazanian subage, Early Urzhumian subage, Late Vyatkian subage
• Permian Subages of Germany: Buntsandstein subage, Ohre subage, Leine 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, Meishanian age, Luodianian 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: Voznesenian subage, Protvian subage, Upinian subage, Zapaltjubian subage, Malevkian subage, Krasnopolyanian subage, Cherepetian subage, Kosvian subage, Kizelian subage, Noginskian subage, Radaevkian subage, Karakubian subage, Gumerovian subage, Dorogomilovian subage, Bobrikian subage, Steshevian subage, Melekhovian subage, Vereian subage, Kashirian subage, Tarusian subage, Aleksinian subage, Severokeltmian subage, Melekessian subage, Myachkovian subage, Krevyakinian subage, Mikhailovian subage, Podolskian subage, Prikamian subage, Rusavkinian subage, Cheremshanian subage, Khamovnikian subage, Tulian subage, Venevian subage, Pavlovoposadian 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, Alportian subage, Arnsbergian subage, Stephanian A subage, Westphalian C subage, Chokierian subage, Moliniacian age, Kuzel age, Yeadonian subage, Stephanian B subage, Westphalian A subage, Stephanian C subage, Westphalian age, Namurian age, Marsdenian subage, Ivorian age, Warnantian age, Stephanian age, Hastarian age
• Carboniferous of China: Jiusian age, Dalaun age, Shangsian age, Huashibanian age, Xiaodushanian 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, Virgilian age, Desmoinesian age, Meramecian age, Osagean age, Morrowan age, Atokan age
• Devonian of France: Gedinnine age, Coblencien age, Couvinien age
• Devonian of Germany: Dasberg age, Wocklum age, Hemberg age, Nehden age, Siegen age, Adorf age
• Devonian of Czechoslovakia: Chotec age, Daleje age, Srbsko age, Zlichovian age
• Devonian of Eastern North America: Conneautan age, Deer Parkian age, Cazenovian age, Sawkillian age, Canadaway age, Southwoodian age, Conewangan age, Helderbergian age, Tioughniogan age, West Fallsian age, Geneseean age, Taghanican age, Sonyean age
• Silurian of the Baltic: Ohesaare age, Jaani age, Raikkula age, Adavere age, Juuru 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, Coalbrookdale age, Woolhope 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, Costonian age, Woolstonian age, Migneintian age, Tremadoc epoch, Moridunian age, Middle Llandeilo age, Harnagian age, Caradoc epoch, Burrellian age, Longvillian age, Onnian age, Marshbrookian age, Cheneyan age, Actonian age, Streffordian age, Arenig epoch, Pusgillian age, Llandeilo age, Late Llandeilo age, Soudleyan age, Early Llanvirn age, Abereiddian age, Late Llanvirn age, Rawtheyan age, Early Llandeilo age, Whitlandian age, Llandeilian age, Llanvirn epoch, Fennian age, Aurelucian age, Cautleyan age
• Ordovician of the Baltic: Idavere age, Volkhov age, Oandu age, Keila age, Latorp age, Oeland epoch, Johvi age, Rakvere age, Billingen age, Hunneberg age, Viru epoch, Saka age, Porkuni age, Kukruse age, Vormsi age, Pirgu age, Lasnamagi age, Uhaku age, Aseri age, Varangu age, Aluoja age, Langevoja age, Haljala age, Hunderum age, Pakerort age, Kunda age, Valaste age, Vaana age, Nabala age, Harju epoch
• Ordovician of Ibero-Bohemia: Zahorany age, Liben age, Kralodvorian age, Dobrotivian age, Letna age, Sarka age, Berounian age, Oretanian age, Vinice age, Bohdalec 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, Shikou age, Hulo age, Hanjiang age, Ningkuo age
• Ordovician of North America: Marmor age, Ibexian epoch, Cincinnatian epoch, Canadian age, Whiterockian epoch, Gasconadian age, Ashbyan age, Wildernessian age, Blackriveran age, Gamachian age, Mohawkian epoch, Chazyan age, Shermanian age, Demingian age, Kirkfieldian age, Blackhillsian age, Skullrockian age, Cassinian age, Rangerian age, Jeffersonian age, Chatfieldian age, Rocklandian age, Turinian age, Maysvillian age, Stairsian age, Trentonian age, Richmondian age, Franklinian age, Tulean age, Edenian age
• Cambrian of China: Waergangian age, Taijangian age, Youshuanian age, Wangcunian age, Taoyuanian age, Duyunian age, Niuchehean age, Jinnigian age, Nangaoian age, Meishucunian age
• Cambrian of Australia: Mindyallan age, Payntonian age, Iverian age, Datsonian age, Idamean age, Boomerangian age, Floran age, Templetonian age, Undillan age, Ordian age
• Cambrian of Siberia: Lenian age, Ensyan age, Solvan age, Mansian age, Tommotian age, Yurakian age, Menevian age, Toyonian age, Ketyan age, Atdabanian age, Maduan age, Nemakit-Daldynian age, Botomian age, Aksaian age, Batyrbaian age, Ayusokkanian age, Nganasanian age, Amgan age, Mayan age, Sakian age, Tavgian age
• Cambrian of Kazakhstan: Zhanaarykian age, Ungurian 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: Arcadian age, Placentian 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 86955 collections with 553865 occurrences lie within this time span