Semperoncis is a genus of air-breathing sea slugs, a shell-less marine pulmonate gastropod mollusks in the family Onchidiidae.
Species According to the World Register of Marine Species (WoRMS), the following species with a valid name are included within the genus Semperoncis:WoRMS : Semperoncis; accessed : 13 September 2010 Semperoncis glabra (Semper, 1885) Semperoncis huberti (Labbé, 1934) (nomen dubium) Semperoncis montana (Plate, 1893)
References
Dayrat, B. (2009) Review of the current knowledge of the systematics of Onchidiidae (Mollusca: Gastropoda: Pulmonata) with a checklist of nominal species. Zootaxa 2068: 1-26