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: Part 3. Fam. 1 Plate 6 [1847]. Doris repanda Alder & Hancock, 1842 synonym Cadlina laevis (Linnaeus, 1767) accepted name. Date: 1847. Source:
https://www.biodiversitylibrary.org/item/131598#page/109/mode/1up. Author: Joshua Alder.