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, Stage 2 age, Emsian age, Llandovery epoch, Sheinwoodian age, Capitanian age, Asselian age, Homerian age, Tremadocian age, Mississippian epoch, Wordian age, Guzhangian age, Stage 4 age, Pennsylvanian epoch, Drumian age, Pragian age, Jiangshanian age, Series 2 epoch, Early Devonian epoch, Late Devonian epoch, Furongian epoch, Fortunian age, Floian age, Paibian age, Middle Devonian epoch, Aeronian age, Dapingian age, Miaolingian epoch, Terreneuvian epoch, Bashkirian age, Darriwilian age, Early Ordovician epoch, Lochkovian age, Tournaisian age, Artinskian age, Late Ordovician epoch, Famennian age, Kasimovian age, Stage 3 age, Roadian age, Changhsingian age, Gorstian age, Hirnantian age, Wenlock epoch, Guadalupian epoch, Wuchiapingian age, Serpukhovian age, Ludfordian age, Kungurian age, Gzhelian age, Lopingian epoch, Wuliuan age, Rhuddanian age, Katian age, Sakmarian age, Telychian age, Stage 10 age, Cisuralian epoch, Givetian age, Moscovian age, Pridoli epoch, Visean age, Eifelian age, Ludlow epoch
• 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, Early Emsian subage, Middle Frasnian subage, Middle Famennian subage, Late Frasnian subage, Middle Lochkovian subage, Early Eifelian subage, Middle Givetian subage, Early Lochkovian subage, Late Famennian subage, Early Frasnian subage, Late Eifelian subage, Early Famennian subage, Early Givetian subage, Late Givetian subage, Late Emsian subage
• Cambrian Epochs: Late Cambrian epoch, Early Cambrian epoch, Middle Cambrian epoch
• Permian of the Russian Platform: Irginian subage, Vyatkian subage, Ufimian subage, Burtsevian 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, 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, 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, Nealian subage, Wolfcampian age, Cathedralian subage
• Carbo-Permian of the Russian Platform: Kizelian subage, Melekhovian subage, Venevian subage, Noginskian subage, Protvian subage, Melekessian subage, Mikhailovian subage, Podolskian subage, Cheremshanian subage, Karakubian subage, Aleksinian subage, Prikamian subage, Voznesenian subage, Bobrikian subage, Kosvian subage, Malevkian subage, Zapaltjubian subage, Krasnopolyanian subage, Dorogomilovian subage, Radaevkian subage, Upinian subage, Myachkovian subage, Khamovnikian subage, Severokeltmian subage, Tulian subage, Krevyakinian subage, Gumerovian subage, Steshevian subage, Pavlovoposadian subage, Cherepetian subage, Tarusian subage, Rusavkinian subage, Kashirian subage, Vereian subage
• Carboniferous of Western Europe: Asbian subage, Arnsbergian subage, Westphalian B subage, Holkerian subage, Westphalian A subage, Stephanian C 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, Namurian age, Cantabrian subage, Stephanian age, Marsdenian subage, Westphalian age, Chadian subage, Warnantian age, Westphalian C subage, Pendleian subage, Livian age, Brigantian subage, Stephanian B subage
• Carboniferous of China: Dalaun age, Dewunian age, Xiaodushanian age, Lousuan age, Tangbagouan age, Huashibanian age, Shangsian age, Jiusian age
• Obsolete Carboniferous Ages of China: Mapingian age
• Carboniferous of North America: Bursumian age, Missourian age, Kinderhookian age, Virgilian age, Atokan age, Morrowan 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, Southwoodian age, Conneautan age, Taghanican age, Deer Parkian age, Conewangan age, Tioughniogan age, Helderbergian age, Cazenovian age, Geneseean age, West Fallsian age, Sonyean age, Canadaway age
• Silurian of the Baltic: Ohesaare age, Jaagarahu age, Adavere age, Jaani age, Raikkula age, Kaugetuma age, Paadla age, Juuru age, Kuressaare age, Rootsikula age
• Silurian Ages of Europe: Gleedonian age, Whitwellian age
• Silurian of England: Elton age, Temeside Shales age, Woolhope age, Leintwardine 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: Cautleyan age, Llandeilo age, Burrellian age, Late Llandeilo age, Aurelucian age, Arenig epoch, Onnian age, Tremadoc epoch, Llanvirn epoch, Pusgillian age, Actonian age, Costonian age, Cressagian age, Moridunian age, Streffordian age, Migneintian age, Harnagian age, Longvillian age, Whitlandian age, Caradoc epoch, Soudleyan age, Fennian age, Marshbrookian age, Woolstonian age, Llandeilian age, Middle Llandeilo age, Rawtheyan age, Cheneyan age, Abereiddian age, Early Llandeilo age, Ashgill epoch, Early Llanvirn age, Late Llanvirn age
• Ordovician of the Baltic: Langevoja age, Porkuni age, Rakvere age, Haljala age, Pirgu age, Kunda age, Oeland epoch, Pakerort age, Nabala age, Hunderum age, Idavere age, Viru epoch, Uhaku age, Valaste age, Harju epoch, Kukruse age, Latorp age, Lasnamagi age, Aluoja age, Varangu age, Johvi age, Vormsi age, Volkhov age, Vaana age, Keila age, Hunneberg age, Saka age, Oandu age, Billingen age, Aseri age
• Ordovician of Ibero-Bohemia: Kralodvorian age, Klabava age, Sarka age, Kosovian age, Oretanian age, Bohdalec 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: Hulo age, Xiaoxita age, Xinchangian 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, Franklinian age, Cincinnatian epoch, Cassinian age, Blackhillsian age, Richmondian age, Chatfieldian age, Trentonian age, Maysvillian age, Kirkfieldian age, Jeffersonian age, Wildernessian age, Gamachian age, Demingian age, Blackriveran age, Canadian age, Shermanian age, Ibexian epoch, Skullrockian age, Rocklandian age, Mohawkian epoch, Turinian age, Tulean age, Gasconadian age, Marmor age, Edenian age, Whiterockian epoch, Ashbyan age, Stairsian age
• Cambrian of China: Taijangian age, Meishucunian age, Duyunian age, Nangaoian age, Taoyuanian age, Youshuanian age, Jinnigian age, Waergangian age, Niuchehean age, Wangcunian age
• Cambrian of Australia: Ordian age, Datsonian age, Boomerangian age, Floran age, Undillan age, Mindyallan age, Idamean age, Payntonian age, Templetonian age, Iverian age
• Cambrian of Siberia: Ketyan age, Solvan age, Amgan 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: Dresbachian age, Sunwaptan age, Begadean age, Steptoean age, Franconian age, Millardan age, Marjumian age, Delamaran age, Montezuman age, Dyeran age, Albertian age, Waucoban age, Topazan 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