Cenozoic
Quaternary
Holocene
Pleistocene
Late Pleistocene
Middle Pleistocene
Calabrian
Gelasian
55.9 Ma
Cenozoic
Paleogene
Paleocene
Thanetian
Selandian
Danian
Mesozoic
Cretaceous
Late Cretaceous
Maastrichtian
Campanian
Santonian
Coniacian
Turonian
Cenomanian
Early Cretaceous
Albian
Aptian
48.5 Ma
Mesozoic
Jurassic
Late Jurassic
Oxfordian
Middle Jurassic
Callovian
Bathonian
Bajocian
Aalenian
Early Jurassic
Toarcian
168.1 Ma
Paleozoic
Carboniferous
Mississippian
Visean
Tournaisian
0.2 Ma
Paleozoic
Carboniferous
Mississippian
Tournaisian
Devonian
Late Devonian
Famennian
1.3 Ma
Paleozoic
Devonian
Late Devonian
Famennian
Frasnian
Middle Devonian
Givetian
Eifelian
43.8 Ma
Paleozoic
Silurian
Wenlock
Sheinwoodian
Llandovery
Telychian
Aeronian
Rhuddanian
0.5 Ma
Paleozoic
Silurian
Llandovery
Rhuddanian
Ordovician
Late Ordovician
Hirnantian
Katian
1.7 Ma
Paleozoic
Ordovician
Late Ordovician
Katian
2.9 Ma
Paleozoic
Ordovician
Late Ordovician
Sandbian
1342.1 Ma
Paleoproterozoic
Statherian
Orosirian
590.0 Ma
Neoarchean