Drawing of apertural view of a shell of <i>Chytra kirki</i>.
<bdi><a href="https://www.wikidata.org/wiki/Q18507855" class="extiw" title="d:Q18507855"><span title="British draughtsman and engraver">Arthur Hodson Searle</span></a>
</bdi>
1881
<a href="//commons.wikimedia.org/w/index.php?title=Edgar_Albert_Smith&amp;action=edit&amp;redlink=1" class="new" title="Edgar Albert Smith (page does not exist)">Smith E. A.</a> (1881). "On a collection of shells from lakes Tanganyika and Nyassa and other localities in East Africa". <i>Proceedings of the Zoological Society of London</i> <b>1881</b>: <a rel="nofollow" class="external text" href="https://archive.org/stream/proceedingsofgen81zool#page/276/mode/2up">276</a>-300. <a rel="nofollow" class="external text" href="https://archive.org/stream/proceedingsofgen81zool#page/n394/mode/1up">Plate 33</a>, figure 18. Background retouched.