<i><a href="//commons.wikimedia.org/wiki/Clathrina_clathrus" title="Clathrina clathrus">Clathrina clathrus</a></i> (Sicily, Tirrenian Sea)
<a href="//commons.wikimedia.org/wiki/User:Esculapio" class="mw-redirect" title="User:Esculapio">Esculapio</a>
CC BY 3.0
<span class="int-own-work" lang="en">Own work</span>