Cenozoic
Quaternary
Holocene
Pleistocene
Late Pleistocene
Middle Pleistocene
1.3 Ma
Cenozoic
Quaternary
Pleistocene
Gelasian
Neogene
Pliocene
Piacenzian
Zanclean
Miocene
Messinian
89.7 Ma
Mesozoic
Cretaceous
Late Cretaceous
Cenomanian
235.5 Ma
Paleozoic
Carboniferous
Mississippian
Visean
11.6 Ma
Paleozoic
Carboniferous
Mississippian
Tournaisian
Devonian
Late Devonian
Famennian
Frasnian
3.7 Ma
Paleozoic
Devonian
Middle Devonian
Givetian
2.7 Ma
Paleozoic
Devonian
Middle Devonian
Eifelian
Early Devonian
Emsian
29.7 Ma
Paleozoic
Silurian
Pridoli
Ludlow
Ludfordian
0.2 Ma
Paleozoic
Silurian
Ludlow
Ludfordian
Gorstian
Wenlock
Homerian
Sheinwoodian
Llandovery
Telychian
3.8 Ma
Paleozoic
Silurian
Llandovery
Telychian
Aeronian
Rhuddanian
7.3 Ma
Paleozoic
Ordovician
Late Ordovician
Katian
-0.1 Ma
Paleozoic
Ordovician
Late Ordovician
Katian
0.7 Ma
Paleozoic
Ordovician
Late Ordovician
Katian
0.0 Ma
Paleozoic
Ordovician
Late Ordovician
Katian
0.0 Ma
Paleozoic
Ordovician
Late Ordovician
Katian
Sandbian
0.0 Ma
Paleozoic
Ordovician
Late Ordovician
Sandbian
0.0 Ma
Paleozoic
Ordovician
Late Ordovician
Sandbian
-0.0 Ma
Paleozoic
Ordovician
Late Ordovician
Sandbian
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
584.0 Ma
Mesoproterozoic
Stenian
Ectasian
Calymmian
Paleoproterozoic
Statherian