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

This interval is used in the definition of 34 collections

A total of 86938 collections with 553498 occurrences lie within this time span