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

This interval is used in the definition of 34 collections

A total of 87404 collections with 557533 occurrences lie within this time span