The different types of locomotion in amniotes. From left to right: plantigrade, digitigrade and unguligrade. In red the basipod, in violet the metapodia, in yellow the phalanges, in brown the terminal keratinized dander.
<a href="//commons.wikimedia.org/wiki/User:Nelrock" title="User:Nelrock">Antoine ADAM</a>
<span class="int-own-work" lang="en">Own work</span>