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:Part3 Fam.3 Plate 19 [1847]. Eolis pellucida Alder & Hancock, 1843 synonym Flabellina pellucida (Alder & Hancock, 1843) accepted name. Date: 1847. Source: https://www.biodiversitylibrary.org/item/131598#page/358/mode/1up. Author: Albany Hancock.