File:Stromatolites.jpgEnglish Stromatolites left behind by cyanobacteria, also called blue-green algae. They are the oldest known fossils of life on Earth. This one-billion-year-old
File:Gatineau stromatolites.jpgDescriptionGatineau stromatolites.jpg English: Stromatolites exposed on the bank of the Ottawa River. Date 10 July 2020 Source Own work This image was
File:Stromatolites in Sharkbay.jpgen:Image:Stromatolite sharkbay.jpg, history : (suppr) (actu) 21 mai 2005 à 21:53 . . Jacket (Talk) . . 2440x1816 (1436020 octets) (Stromatolites growing