Type
Period
Age range
1200–1000 Ma
Proterozoic
Neoproterozoic
Tonian
Mesoproterozoic
Stenian
Ectasian
1,2001,1901,1801,1701,1601,1501,1401,1301,1201,1101,1001,0901,0801,0701,0601,0501,0401,0301,0201,0101,000