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

This interval is used in the definition of 34 collections

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