Wonokan age - Poundian age
International Chronostratigraphic Timescale | Obsolete Precambrian Ages | ||||
---|---|---|---|---|---|
Proterozoic | Neoproterozoic | Ediacaran | Vendian † | Poundian † | 538.8 |
Wonokan † | 571.7 * | ||||
Cryogenian | 635 | ||||
Tonian | 720 | ||||
Mesoproterozoic | Stenian | 1000 | |||
Ectasian | 1200 | ||||
Calymmian | 1400 | ||||
Paleoproterozoic | Statherian | 1600 | |||
Orosirian | 1800 | ||||
Rhyacian | 2050 | ||||
Siderian | 2300 | ||||
2500 |