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