Cenozoic
Quaternary
Holocene
Pleistocene
Late Pleistocene
Middle Pleistocene
Calabrian
74.1 Ma
Mesozoic
Cretaceous
Late Cretaceous
Campanian
Santonian
Coniacian
Turonian
Cenomanian
Early Cretaceous
Albian
Aptian
33.4 Ma
Mesozoic
Jurassic
Late Jurassic
Kimmeridgian
Oxfordian
286.6 Ma
Paleozoic
Ordovician
Late Ordovician
Katian
Sandbian
Middle Ordovician
Darriwilian
41.6 Ma
Paleozoic
Cambrian
Series 3
Guzhangian
Drumian
2072.8 Ma
Neoarchean