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, Emsian age, Llandovery epoch, Sheinwoodian age, Middle Ordovician epoch, Sandbian age, Frasnian age, Wordian age, Guzhangian age, Pennsylvanian epoch, Stage 4 age, Drumian age, Pragian age, Jiangshanian age, Series 2 epoch, Capitanian age, Asselian age, Homerian age, Tremadocian age, Mississippian epoch, Floian age, Paibian age, Middle Devonian epoch, Aeronian age, Early Devonian epoch, Late Devonian epoch, Furongian epoch, Fortunian age, Lochkovian age, Tournaisian age, Artinskian age, Dapingian age, Miaolingian epoch, Terreneuvian epoch, Bashkirian age, Darriwilian age, Early Ordovician epoch, Gorstian age, Hirnantian age, Wenlock epoch, Guadalupian epoch, Wuchiapingian age, Serpukhovian age, Late Ordovician epoch, Famennian age, Kasimovian age, Stage 3 age, Roadian age, Changhsingian age, Gzhelian age, Lopingian epoch, Rhuddanian age, Wuliuan age, Katian age, Ludfordian age, Kungurian age, Stage 10 age, Cisuralian epoch, Givetian age, Sakmarian age, Telychian 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, Late Mississippian subepoch, Middle Pennsylvanian 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, Early Frasnian subage, Late Eifelian subage, Early Famennian subage, Early Givetian subage, Late 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, Surenian subage, Urzhumian subage, Shikhanian subage, Irenian subage, Tastubian subage, Povolzhian 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: Buntsandstein subage, Aller 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, Laibinian age, Baoqingian age, Longlinian age
• Permian of North America: Lenoxian subage, Leonardian age, Hessian subage, Nealian subage, Wolfcampian age, Cathedralian subage
• Carbo-Permian of the Russian Platform: Protvian subage, Melekessian subage, Kizelian subage, Venevian subage, Melekhovian subage, Noginskian subage, Cheremshanian subage, Mikhailovian subage, Podolskian subage, Karakubian subage, Prikamian subage, Aleksinian subage, Zapaltjubian subage, Krasnopolyanian subage, Dorogomilovian subage, Radaevkian subage, Voznesenian subage, Bobrikian subage, Kosvian subage, Malevkian subage, Tulian subage, Krevyakinian subage, Upinian subage, Myachkovian subage, Khamovnikian 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, Chokierian subage, Kinderscoutian subage, Hastarian age, Ivorian age, Alportian subage, Westphalian D subage, Westphalian age, Chadian subage, Warnantian age, Cantabrian subage, Namurian age, Stephanian age, Marsdenian subage, Westphalian C subage, Pendleian subage, Stephanian B subage, Livian age, Brigantian subage
• Carboniferous of China: Xiaodushanian age, Dalaun age, Dewunian 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, Taghanican age, Deer Parkian age, Conewangan age, Tioughniogan age, Helderbergian age, Sonyean age, Cazenovian age, Geneseean age, West Fallsian age, Canadaway age
• Silurian of the Baltic: Ohesaare age, Jaagarahu age, Jaani age, Raikkula 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, Buildwas age, Tickwood age, Red Downtonian age, Coalbrookdale 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: Cautleyan age, Llandeilo age, Burrellian age, Late Llandeilo age, Tremadoc epoch, Llanvirn epoch, Pusgillian age, Actonian age, Aurelucian age, Arenig epoch, Onnian age, Streffordian age, Migneintian age, Costonian age, Cressagian age, Moridunian age, Whitlandian age, Harnagian age, Longvillian age, Caradoc epoch, Soudleyan age, Marshbrookian age, Fennian age, Middle Llandeilo age, Rawtheyan age, Cheneyan age, Woolstonian age, Llandeilian age, Late Llanvirn age, Abereiddian age, Early Llandeilo age, Ashgill epoch, Early Llanvirn age
• Ordovician of the Baltic: Rakvere age, Haljala age, Pirgu age, Langevoja age, Porkuni age, Kunda age, Viru epoch, Oeland epoch, Pakerort age, Nabala age, Hunderum age, Idavere age, Kukruse age, Lasnamagi age, Latorp age, Uhaku age, Valaste age, Harju epoch, Johvi age, Varangu age, Vormsi age, Volkhov age, Aluoja age, Vaana age, Keila age, Oandu age, Billingen age, Aseri age, Hunneberg age, Saka 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, Hunjiang age, Dawan age, Chientangkiangian age, Lianghekou age, Hanjiang age, Shikou age, Neichianshanian age, Daobaowan age, Ningkuo age, Wufeng age
• Ordovician of North America: Rangerian age, Chazyan age, Blackhillsian age, Franklinian age, Cincinnatian epoch, Cassinian age, Maysvillian age, Richmondian age, Chatfieldian age, Trentonian age, Wildernessian age, Gamachian age, Kirkfieldian age, Jeffersonian age, Shermanian age, Blackriveran age, Demingian age, Canadian 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, Meishucunian age, Duyunian age, Taoyuanian age, Youshuanian age, Niuchehean age, Jinnigian age, Waergangian age, Wangcunian age
• Cambrian of Australia: Ordian age, Datsonian age, Undillan age, Boomerangian age, Floran 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, Tavgian age, Mayan age, Maduan age, Tommotian age, Sakian age, Nemakit-Daldynian age, Toyonian age, Batyrbaian age, Ayusokkanian age, Menevian age, Mansian 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, Dyeran age, Delamaran age, Montezuman age, Albertian age, Waucoban age, Topazan age
• Cambrian of West Avalonia: Branchian age, Arcadian age, Placentian age
• Cambrian of Britain: Trempealeauan age, Dolgellian 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