Freshwater snails <i><a href="//commons.wikimedia.org/wiki/Galba_truncatula" title="Galba truncatula">Galba truncatula</a></i> (up) and <i><a href="//commons.wikimedia.org/w/index.php?title=Radix_peregra&amp;action=edit&amp;redlink=1" class="new" title="Radix peregra (page does not exist)">Radix peregra</a></i> (down)
<a href="//commons.wikimedia.org/wiki/User:Flukeman" title="User:Flukeman">Flukeman</a>
CC BY 2.5
<span class="int-own-work" lang="en">Own work</span>