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

This interval is used in the definition of 34 collections

A total of 86938 collections with 553498 occurrences lie within this time span