Era
Precambrian
17
Proterozoic
17
From 570 million to 5 billion years ago
14
From 570 million to 2 billion years ago
7
Protérozoïque
6
Archaean
4
Pleistocene
4
Archéen
2
From 10 thousand to 2 million years ago
2
Pléistocène
2
Précambrien
2
Quaternary
2
From 2 million years ago
1
From 425 to 500 million years ago
1
Ordovician
1
Ordovicien
1
Quaternaire
1