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 4 Fam. 3 Plate 14 . *Eolis rufibranchialis Johnston, 1832 synonym Flabellina verrucosa (M. Sars, 1829) accepted name