The length of the shell varies between 1.2 mm and 4 mm. The smooth, shining shell is narrowly umbilicated. It contains 4½ tumid
whorls with a deep suture. These whorls are rapidly increasing in size. The base of the shell shows an oblique, arcuate stripe running into the
umbilicus.[2]
Distribution
This species occurs in European waters, and the Atlantic Boreal to Arctic region. It also has been found as a fossil in the Italian
Pliocene.
Jeffreys J. G., 1877: New and peculiar Mollusca of the Patellidae and other families of Gastropoda procured in the Valorous expedition; Annals and Magazine of Natural History (4) 19: 231–243
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