<p><strong>Fig. 7.11.</strong> (<strong>A</strong>) Fossilized skeleton of the extinct coral <em>Streptelasma divaricans</em> is an example of paleozoic life after the Cambrian explosion.</p>

Fig. 7.11. (A) Fossilized skeleton of the extinct coral Streptelasma divaricans is an example of paleozoic life after the Cambrian explosion.

Image courtesy of Wilson44691, Wikimedia Commons