Cenozoic
Quaternary
Holocene
Pleistocene
Late Pleistocene
Middle Pleistocene
Calabrian
Gelasian
1.4 Ma
Cenozoic
Neogene
Pliocene
Piacenzian
Zanclean
95.6 Ma
Mesozoic
Cretaceous
Late Cretaceous
Cenomanian
Early Cretaceous
Albian
Aptian
109.4 Ma
Mesozoic
Triassic
Late Triassic
Norian
Carnian
Middle Triassic
Ladinian
11.2 Ma
Mesozoic
Triassic
Early Triassic
Induan
Paleozoic
Permian
Lopingian
Changhsingian
Wuchiapingian
Guadalupian
Capitanian
-1.5 Ma
Paleozoic
Permian
Lopingian
Wuchiapingian
Guadalupian
Capitanian
Wordian
Roadian
0.7 Ma
Paleozoic
Permian
Guadalupian
Roadian
Cisuralian
Kungurian
Artinskian
Sakmarian
Asselian
Carboniferous
Pennsylvanian
Gzhelian
Kasimovian
Moscovian
10.1 Ma
Paleozoic
Carboniferous
Pennsylvanian
Bashkirian
Mississippian
Serpukhovian
Visean
Tournaisian
7.6 Ma
Paleozoic
Carboniferous
Mississippian
Tournaisian
Devonian
Late Devonian
Famennian
15.0 Ma
Paleozoic
Devonian
Late Devonian
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
4.3 Ma
Paleozoic
Ordovician
Late Ordovician
Katian
1.5 Ma
Paleozoic
Ordovician
Late Ordovician
Katian
Sandbian
Middle Ordovician
Darriwilian
Dapingian
Early Ordovician
Floian
Tremadocian
Cambrian
Furongian
Stage 10
Jiangshanian
606.4 Ma
Mesoproterozoic
Stenian
Ectasian