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 25 . *Eolis nana Alder & Hancock, 1842 synonym Cuthona nana (Alder & Hancock, 1842) accepted name