<i>Costasiella</i> cf. <i>kuroshimae</i> on <i>Avrainvillea erecta</i>. Locality: Lizard Island, Great Barrier Reef. The length of the slug is about 1 cm.
Katharina Händeler, Yvonne P. Grzymbowski, Patrick J. Krug &amp; Heike Wägele
CC BY 2.0
Händeler K., Grzymbowski Y. P., Krug P. J. &amp; Wägele H. (2009) "Functional chloroplasts in metazoan cells - a unique evolutionary strategy in animal life". <i><a href="//commons.wikimedia.org/w/index.php?title=Frontiers_in_Zoology&amp;action=edit&amp;redlink=1" class="new" title="Frontiers in Zoology (page does not exist)">Frontiers in Zoology</a></i> <b>6</b>: 28. <a href="https://en.wikipedia.org/wiki/Digital_object_identifier" class="extiw" title="w:Digital object identifier">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1186%2F1742-9994-6-28">10.1186/1742-9994-6-28</a> Figure 2A.