Photo of the shell of <i>Canariella hispidula</i>, synonym <i>Helicodonta salteri</i> Gude, 1911.
<bdi><a href="https://en.wikipedia.org/wiki/en:Gerard_Pierre_Laurent_Kalshoven_Gude" class="extiw" title="w:en:Gerard Pierre Laurent Kalshoven Gude"><span title="malacologist from the United Kingdom.">Gerard Pierre Laurent Kalshoven Gude</span></a>
</bdi>
1911-03
<a href="//commons.wikimedia.org/w/index.php?title=Gerard_Pierre_Laurent_Kalshoven_Gude&amp;action=edit&amp;redlink=1" class="new" title="Gerard Pierre Laurent Kalshoven Gude (page does not exist)">Gude G. P. L. K.</a> (March 1911). "Description of a new species of <i>Helicodonta</i> from Tenerife". <i>Proceedings of the Malacological Society of London</i> <a rel="nofollow" class="external text" href="https://archive.org/details/proceedingsofmal1941910211mala"><b>9</b></a>: <a rel="nofollow" class="external text" href="https://archive.org/stream/proceedingsofmal1941910211mala#page/268/mode/1up">268</a>.