<p>Polinices lacteus (Guilding, 1834) - umbilical view of a milk moonsnail shell.
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Family Naticidae - the naticids, like the muricids, prey on bivalves by boring through their shells.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/47445767@N05">James St. John</a>
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/jsjgeology/16004988829/">Polinices lacteus (milk moon snail) (San Salvador Island, Bahamas) 4</a>