Siberian Regional
600 - 297 Ma
Geologic Time
Phanerozoic
Paleozoic
Permian
Cisuralian
Asselian
Carboniferous
Pennsylvanian
Gzhelian
Kasimovian
Moscovian
Bashkirian
Mississippian
Serpukhovian
Visean
Tournaisian
Devonian
Late Devonian
Famennian
Frasnian
Middle Devonian
Givetian
Eifelian
Early Devonian
Emsian
Pragian
Lochkovian
Silurian
Pridoli
Ludlow
Ludfordian
Gorstian
Wenlock
Homerian
Sheinwoodian
Llandovery
Telychian
Aeronian
Rhuddanian
Ordovician
Late Ordovician
Hirnantian
Katian
Sandbian
Middle Ordovician
Darriwilian
Dapingian
Early Ordovician
Floian
Tremadocian
Cambrian
Furongian
Stage 10
Jiangshanian
Paibian
Series 3
Guzhangian
Drumian
Stage 5
Series 2
Stage 4
Stage 3
Terreneuvian
Stage 2
Fortunian
Proterozoic
Neoproterozoic
Ediacaran
Age
Khorokytian
Kyglitassian
Solonchanian
Natalian
Khatynykhian
Ovlachanian
Chuguchanian
Kirinian
Bazovian
Khamamitian
Batyrbaian
Aksaian
Sakian
Ayusokanian
Mayan
Amgan
Toyonian
Botoman
Atdabanian
Tommotian
Nemakit-Daldynian
Period
Vendian
