Era
Cretaceous
52
Tertiary
33
Carboniferous
15
Mesozoic
14
Devonian
13
Cambrian
11
Paleozoic
10
Quaternary
9
Triassic
8
Archaean
7
Eocene
4
From 280 to 345 million years ago
4
Proterozoic
4
Crétacé
3
From 500 to 570 million years ago
3
From 65 to 140 million years ago
3
Permian
3
Tertiaire
3
Carbonifère
2
Dévonien
2
From 2 million years ago
2
From 2 to 65 million years ago
2
From 280 to 405 million years ago
2
From 570 million to 5 billion years ago
2
Holocene
2
Quaternaire
2
19th century
1
Archéen
1
Cambrien
1
Cenozoic
1
Éocène
1
From 190 to 230 million years ago
1
From 2 to 140 million years ago
1
From 2 to 5 billion years ago
1
From 230 to 570 million years ago
1
From 345 to 405 million years ago
1
Jurassic
1
Precambrian
1
Protérozoïque
1
Trias
1