<i>Distorsio anus</i> (Linnaeus, 1758). Length 65 mm.
S. Peter Dance
CC BY 3.0
Dance S. P. (July 2009). "A name is a name is a name: some thoughts and personal opinions about molluscan scientific names". <i>Zoologische Mededelingen</i> <b>83</b>(7): 565–576. ISSN 0024-0672 <a rel="nofollow" class="external text" href="http://www.zoologischemededelingen.nl/z/zoomed/images/vol83/nr03/8303a07fig9.jpg">Figure 9</a>