The ovate-globose shell is covered with a downy epidermis. The
spire is short, conical with a papillary
apex. The
whorls are depressed. The
aperture is ovate. The inner
lip is thickened, with a ridge posteriorly. The outer lip is contracted, thickened externally and plicated internally.[2]
Vaught, K.C. (1989). A classification of the living Mollusca. American Malacologists: Melbourne, FL (USA).
ISBN0-915826-22-4. XII, 195 pp
Gofas, S.; Le Renard, J.; Bouchet, P. (2001). Mollusca, in: Costello, M.J. et al. (Ed.) (2001). European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels, 50: pp. 180–213