basis of recordOhnheiser, L. T.; Malaquias, M. (2013). Systematic revision of the gastropod family Philinidae (Mollusca: Cephalaspidea) in the north-east Atlantic
Ocean with emphasis on the Scandinavian Peninsula. Zoological Journal of the Linnean Society. 167: 273-326., available online athttps://doi.org/10.1111/zoj.12000[details]
additional sourceGofas, 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]