basis of recordGofas, S.; Le Renard, J.; Bouchet, P. (2001). Mollusca. in: Costello, M.J. et al. (eds), European Register of Marine Species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Patrimoines Naturels. 50: 180-213., available online athttp://www.vliz.be/imisdocs/publications/ocrd/254404.pdf[details]
additional sourceCervera J.L., Garcia-Gomez J.C. & Ortea J.A. (1991 ["1988"]). Una nueva especie del g�nero Hermaea (Gastropoda: Opisthobranchia: Sacoglossa) y redescripcion de dos raros sacoglosos de la malacofauna europea. Iberus. 8(2): 214-224., available online athttp://biodiversitylibrary.org/page/32736433 page(s): 220-223 [details]