Fossil of <i>Neptunea <s>contraria</s> angulata</i>  from the Pliocene era. Red Crag deposits, Essex, England. ca. 2 Ma. 50mm long.
<a href="//commons.wikimedia.org/wiki/User:Keith_Edkins" title="User:Keith Edkins">Keith Edkins</a>
CC BY 2.5
<span class="int-own-work" lang="en">Own work</span>