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