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

This interval is used in the definition of 34 collections

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