Type
Epoch
Age range
1500–400 Ma
Phanerozoic
Paleozoic
Carboniferous
Devonian
Silurian
Ordovician
Cambrian
Proterozoic
Neoproterozoic
Ediacaran
Cryogenian
Tonian
Mesoproterozoic
Stenian
Ectasian
Calymmian
Late Amazonian
Middle Amazonian
Early Amazonian
1,5001,4501,4001,3501,3001,2501,2001,1501,1001,0501,000950900850800750700650600550500450400