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

This interval is used in the definition of 34 collections

A total of 86892 collections with 553047 occurrences lie within this time span