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

This interval is used in the definition of 34 collections

A total of 86954 collections with 553855 occurrences lie within this time span