Description: English: Melibe leonina feeding at the Birch Aquarium, San Diego, California, USA. Date: 12 November 2010. Source: Own work. Author: Stickpen. Permission (Reusing this file): public domain.
Description: English: Alder J. & Hancock A. (1845-1855). A monograph of the British nudibranchiate Mollusca: with figures of all the species. The Ray Society, London. Published in 8 parts: Fam3 Plate 1a Eumanis marmorata Alder & Hancock, 1845 synonym Lomanotus marmoratus (Alder & Hancock, 1845) accepted name. Date: 1845. Source: https://www.biodiversitylibrary.org/item/131598#page/272/mode/1up. Author: Albany Hancock.