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, Dapingian age, Ludfordian age, Fortunian age, Homerian age, Tournaisian age, Middle Ordovician epoch, Mississippian epoch, Paibian age, Sakmarian age, Katian age, Early Ordovician epoch, Pragian age, Terreneuvian epoch, Eifelian age, Lochkovian age, Gzhelian age, Early Devonian epoch, Serpukhovian age, Pennsylvanian epoch, Jiangshanian age, Wuliuan age, Darriwilian age, Visean age, Stage 4 age, Asselian age, Drumian age, Late Devonian epoch, Gorstian age, Kungurian age, Stage 10 age, Wordian age, Givetian age, Cisuralian epoch, Moscovian age, Sheinwoodian age, Aeronian age, Bashkirian age, Stage 3 age, Pridoli epoch, Kasimovian age, Capitanian age, Floian age, Hirnantian age, Guzhangian age, Lopingian epoch, Telychian age, Furongian epoch, Roadian age, Series 2 epoch, Late Ordovician epoch, Wuchiapingian age, Famennian age, Rhuddanian age, Artinskian age, Wenlock epoch, Guadalupian epoch, Frasnian age, Llandovery epoch, Sandbian age, Changhsingian age, Miaolingian epoch, Stage 2 age, Ludlow 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, Middle Mississippian subepoch, Early Pennsylvanian subepoch, Late Pennsylvanian subepoch
• Devonian Subages: Early Lochkovian subage, Middle Famennian subage, Late Emsian subage, Late Givetian subage, Middle Frasnian subage, Early Eifelian subage, Early Famennian subage, Late Eifelian subage, Early Emsian subage, Late Frasnian subage, Late Lochkovian subage, Early Frasnian subage, Middle Givetian 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, Filipovian subage, Sokian subage, Irenian subage, Kazanian age, Saraninian subage, Sarginian subage, Sterlitamakian subage, Urzhumian subage, Surenian subage, Ufimian subage, Uskalykian 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, Early Vyatkian subage, Late Urzhumian subage, Late Severodvinian subage, Early Kazanian subage, Early Severodvinian 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: Amb age, Kathwai age, Wargal age, Kalabagh age, Chhidru age
• Permian of China: Lengwuan age, Kuhfengian age, Laibinian age, Laoshanian 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, Cherepetian subage, Malevkian subage, Krasnopolyanian subage, Karakubian subage, Gumerovian subage, Kosvian subage, Kizelian subage, Noginskian subage, Radaevkian subage, Steshevian subage, Dorogomilovian subage, Bobrikian subage, Vereian subage, Melekhovian subage, Severokeltmian subage, Kashirian subage, Tarusian subage, Aleksinian subage, Myachkovian subage, Krevyakinian subage, Mikhailovian subage, Podolskian subage, Melekessian subage, Khamovnikian subage, Tulian subage, Venevian subage, Pavlovoposadian subage, Prikamian subage, Rusavkinian subage, Cheremshanian subage
• Carboniferous of Western Europe: Arundian subage, Brigantian subage, Pendleian subage, Westphalian D subage, Livian age, Westphalian B subage, Cantabrian subage, Kinderscoutian subage, Chadian subage, Asbian subage, Alportian subage, Arnsbergian subage, Stephanian A subage, Westphalian C subage, Chokierian subage, Holkerian subage, Moliniacian age, Kuzel age, Yeadonian subage, Stephanian B subage, Westphalian A subage, Ivorian age, Warnantian age, Stephanian C subage, Westphalian age, Namurian age, Marsdenian subage, Hastarian age, Stephanian 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, Missourian age, Virgilian age, Desmoinesian age, Chesterian age, Kinderhookian 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: Whitcliffe age, Elton age, Downton Castle age, Red Downtonian age, Temeside Shales age, Bringewood age, Cowleigh Park age, Leintwardine age, Wenlock (England) age, Wych age, Coalbrookdale age, Woolhope 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, Costonian age, Woolstonian age, Migneintian age, Burrellian age, Longvillian age, Moridunian age, Middle Llandeilo age, Harnagian age, Caradoc epoch, Arenig epoch, Onnian age, Marshbrookian age, Cheneyan age, Actonian age, Streffordian age, Llandeilo age, Late Llandeilo age, Soudleyan age, Pusgillian age, Early Llanvirn age, Abereiddian age, Late Llanvirn age, Early Llandeilo age, Whitlandian age, Llandeilian age, Rawtheyan age, Llanvirn epoch, Cautleyan age, Fennian age, Aurelucian age
• Ordovician of the Baltic: Idavere age, Volkhov age, Oandu age, Keila age, Billingen age, Hunneberg age, Latorp age, Oeland epoch, Johvi age, Rakvere age, Saka age, Viru epoch, Porkuni age, Kukruse age, Vormsi age, Pirgu age, Varangu age, Aluoja age, Langevoja age, Haljala age, Lasnamagi age, Uhaku age, Aseri age, Kunda age, Hunderum age, Pakerort age, Nabala age, Harju epoch, Valaste age, Vaana age
• 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, 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, Wufeng age, Dawan age, Xinchangian age, Lianghekou 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, Blackriveran age, Gamachian age, Mohawkian epoch, Chazyan age, Shermanian age, Ashbyan age, Wildernessian age, Demingian age, Kirkfieldian age, Rangerian age, Cassinian age, Blackhillsian age, Skullrockian age, Stairsian age, Trentonian age, Jeffersonian age, Chatfieldian age, Rocklandian age, Turinian age, Maysvillian age, Tulean age, Edenian age, Richmondian age, Franklinian age
• Cambrian of China: Waergangian age, Taijangian age, Youshuanian age, Wangcunian age, Taoyuanian age, Niuchehean age, Duyunian 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, Toyonian age, Menevian age, Ketyan age, Atdabanian age, Maduan age, Aksaian age, Nemakit-Daldynian age, Botomian age, Nganasanian age, Amgan age, Mayan age, Batyrbaian age, Ayusokkanian age, Tavgian age, Sakian age
• Cambrian of Kazakhstan: Zhanaarykian age, Ungurian 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: 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 86954 collections with 553855 occurrences lie within this time span