Illustration of the then newly discovered genus and species <i>Velodona togata</i> (this is the subspecies <i>Velodona togata togata</i>, which was the original of the two subspecies discovered to date) in the 1915 book that first described the species, <i>Die Cephalopoden</i> by German marine biologist and cnidariologist Carl Chun.
<a href="https://de.wikipedia.org/wiki/Ewald_R%C3%BCbsamen" class="extiw" title="de:Ewald Rübsamen">Ewald Rübsamen</a> (1857 - 1919)
1915
From <a rel="nofollow" class="external text" href="https://archive.org/stream/diecephalopoden182chun#page/n205/mode/2up"><i>Die Cephalopoden</i></a> Thiele in Carl Chun 1915.