<p><strong>Fig. 7.11.</strong>&nbsp;(<strong>D</strong>) Fossil skeleton of <em>Eryops</em>, an extinct amphibian that lived around 295 mya in the late Paleozoic era.</p>

Fig. 7.11. (D) Fossil skeleton of Eryops, an extinct amphibian that lived around 295 mya in the late Paleozoic era.

Image courtesy of Daderot, Wikimedia Commons