<a href="https://en.wikipedia.org/wiki/Pholadidae" class="extiw" title="w:Pholadidae">Angelwing</a> and associated burrows in friable sandstone exposed along the Bay of Fundy, Nova Scotia.
<a href="//commons.wikimedia.org/wiki/User:Rygel,_M.C." title="User:Rygel, M.C.">Michael C. Rygel</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>