Cenozoic
Quaternary
Holocene
Pleistocene
Late Pleistocene
Middle Pleistocene
Calabrian
Gelasian
83.7 Ma
Mesozoic
Cretaceous
Late Cretaceous
Santonian
Coniacian
Turonian
Cenomanian
Early Cretaceous
Albian
Aptian
Hauterivian
Valanginian
Berriasian
Jurassic
Late Jurassic
Tithonian
Kimmeridgian
Oxfordian
Middle Jurassic
Callovian
Bathonian
Bajocian
Aalenian
Early Jurassic
Toarcian
230.5 Ma
Paleozoic
Devonian
Early Devonian
Emsian
Pragian
Lochkovian
Silurian
Pridoli
Ludlow
Ludfordian
Gorstian
Wenlock
Homerian
Sheinwoodian
Llandovery
Telychian
1164.0 Ma
Mesoproterozoic
Calymmian
Paleoproterozoic
Statherian
Orosirian