Cenozoic
Quaternary
Holocene
Pleistocene
Late Pleistocene
Middle Pleistocene
Calabrian
4.5 Ma
Cenozoic
Neogene
Pliocene
Zanclean
Miocene
Messinian
Tortonian
Serravallian
Langhian
Burdigalian
Aquitanian
Paleogene
Oligocene
Chattian
33.0 Ma
Cenozoic
Paleogene
Eocene
Ypresian
Paleocene
Thanetian
Selandian
24.4 Ma
Mesozoic
Cretaceous
Late Cretaceous
Campanian
Santonian
Coniacian
Turonian
Cenomanian
Early Cretaceous
Albian