Era
Miocene
58
Tertiary
51
Devonian
42
Cenozoic
31
Mississippian
31
Oligocene
28
Paleozoic
28
Quaternary
27
Cambrian
26
From 2 to 65 million years ago
23
Miocène
23
Mesozoic
22
Tertiaire
22
From 10 to 25 million years ago
19
Ordovician
17
Silurian
16
From 65 million years ago
15
1990
14
From 500 to 570 million years ago
14
Triassic
14
Cénozoïque
13
Dévonien
13
Pleistocene
13
From 2 million years ago
12
Cambrien
11
Mississippien
11
Eocene
10
From 230 to 570 million years ago
9
Quaternaire
9
From 425 to 500 million years ago
8
Mésozoïque
8
Oligocène
8
Paléozoïque
8
1980
7
From 10 thousand to 2 million years ago
7
From 10 to 40 million years ago
7
From 310 to 405 million years ago
7
From 40 to 55 million years ago
7
Holocene
7
Ordovicien
7
Permian
7
Precambrian
6
Trias
6
19th century
5
21st century
5
From 65 to 230 million years ago
5
Pléistocène
5
Silurien
5
Éocène
4
From 190 to 230 million years ago
4
more ...