Cryogenian (1 janv. 720000000 av. J.-C. – 1 janv. 635000000 av. J.-C.)
Description:
The Cryogenian is a geologic period that lasted from 720 to 635 million years ago. It is the second of the three periods of the Neoproterozoic era, preceded by the Tonian and followed by the Ediacaran.Ajouté au bande de temps:
Date:
1 janv. 720000000 av. J.-C.
1 janv. 635000000 av. J.-C.
~ 5883516 years