Era
Cenozoic
From 65 million years ago
238
Cénozoïque
232
Mesozoic
94
Cretaceous
51
Mésozoïque
23
From 65 to 230 million years ago
22
Paleozoic
15
From 65 to 140 million years ago
14
Crétacé
13
Tertiary
10
From 230 to 570 million years ago
4
Paléozoïque
4
Pleistocene
4
Quaternary
4
From 2 to 140 million years ago
3
From 65 to 570 million years ago
3
1905-1973
2
1943-1975
2
Cénozoïque
2
From 10 thousand to 65 million years ago
2
Miocene
2
Ordovician
2
Pléistocène
2
Precambrian
2
Quaternaire
2
Tertiaire
2
1901-
1
2004
1
Carboniferous
1
Crétacé
1
Eocene
1
From 2 to 65 million years ago
1
From 40 to 65 million years ago
1
From 65 to 500 million years ago
1
Ordovicien
1
Pliocene
1
Secondaire
1