Era
Cretaceous
35
Tertiary
18
Crétacé
13
Ordovician
13
Paleozoic
13
From 65 to 140 million years ago
11
Cambrian
10
Cenozoic
9
Mesozoic
9
Mississippian
9
From 230 to 570 million years ago
8
Jurassic
8
Quaternary
8
From 2 million years ago
6
Precambrian
6
Tertiaire
6
Triassic
6
Eocene
5
From 10 thousand to 2 million years ago
5
From 2 to 65 million years ago
5
Mésozoïque
5
Pleistocene
5
From 190 to 230 million years ago
4
From 40 to 55 million years ago
4
From 425 to 570 million years ago
4
Mississippien
4
Paléozoïque
4
Permian
4
Permien
4
Cambrien
3
Éocène
3
From 310 to 345 million years ago
3
From 65 million years ago
3
From 65 to 190 million years ago
3
From 65 to 230 million years ago
3
From 65 to 280 million years ago
3
Jurassique
3
Ordovicien
3
Pennsylvanian
3
Quaternaire
3
Trias
3
1980
2
21st century
2
Cénozoïque
2
Devonian
2
From 10 to 25 million years ago
2
From 2 to 140 million years ago
2
From 2 to 570 million years ago
2
From 230 to 280 million years ago
2
From 425 to 500 million years ago
2
more ...