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 25 [1847]. Miranda cristata Alder & Hancock, 1847 synonym Ancula gibbosa (Risso, 1818) accepted name. Date: 1847. Source:
https://www.biodiversitylibrary.org/item/131598#page/218/mode/1up. Author: Albany Hancock.