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

This interval is used in the definition of 34 collections

A total of 86954 collections with 553855 occurrences lie within this time span