Type
Era
Age range
1600–1000 Ma
Proterozoic
Neoproterozoic
Tonian
Mesoproterozoic
Stenian
Ectasian
Calymmian
Paleoproterozoic
Statherian
1,6001,5501,5001,4501,4001,3501,3001,2501,2001,1501,1001,0501,000