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