Proterozoic stromatolites.April 30, 2017/in /by Marli Miller fossils, Precambrian, stromatalites https://geologypics.com/wp-content/uploads/2017/04/geologic-time-pics-logo-300x115.png 0 0 Marli Miller https://geologypics.com/wp-content/uploads/2017/04/geologic-time-pics-logo-300x115.png Marli Miller2017-04-30 20:15:062023-09-06 17:43:15Proterozoic stromatolites.