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. 3 Plate 28 . *Eolis cingulata Alder & Hancock, 1842 Eubranchus cingulatus (Alder & Hancock, 1847) accepted name