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