Cenozoic
Quaternary
Holocene
Pleistocene
Late Pleistocene
Middle Pleistocene
Calabrian
Gelasian
165.6 Ma
Mesozoic
Jurassic
Middle Jurassic
Bathonian
Bajocian
Aalenian
Early Jurassic
Toarcian
Pliensbachian
Sinemurian
117.6 Ma
Paleozoic
Carboniferous
Pennsylvanian
Moscovian
Bashkirian
Mississippian
Serpukhovian
Visean
11.4 Ma
Paleozoic
Carboniferous
Mississippian
Visean
Tournaisian
Devonian
Late Devonian
Famennian
49.6 Ma
Paleozoic
Devonian
Early Devonian
Pragian
Lochkovian
Silurian
Pridoli
Ludlow
Ludfordian
Gorstian
Wenlock
Homerian
Sheinwoodian
27.5 Ma
Paleozoic
Ordovician
Middle Ordovician
Darriwilian
10.2 Ma
Paleozoic
Ordovician
Middle Ordovician
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
Neoproterozoic
Ediacaran
-72.6 Ma
Paleozoic
Ordovician
Early Ordovician
Tremadocian
Cambrian
Furongian
Stage 10
Jiangshanian
Paibian
Series 3
Guzhangian
Drumian
Stage 5
Series 2
Stage 4
Stage 3
524.4 Ma
Mesoproterozoic
Stenian