<p><strong>Fig. 2.26.</strong> Stromatolites at Hamelin Pool Marine Nature Reserve, Shark Bay, Australia. Stromatolites are formed by Cyanobacteria, one of the oldest living taxonomic groups.</p>

Fig. 2.26. Stromatolites at Hamelin Pool Marine Nature Reserve, Shark Bay, Australia. Stromatolites are formed by Cyanobacteria, one of the oldest living taxonomic groups.

Image courtesy of Paul Harrison, Wikimedia Commons