23 Velutina velutina album. COMPARISON image of Capulus ungaricus, juvenile, c.3mm long. Cornwall, England. January 2014 © D. Fenwick

23 Velutina velutina album. COMPARISON image of Capulus ungaricus, juvenile, c.3mm long. Cornwall, England. January 2014 © D. Fenwick

Copyright: www.aphotomarine.com/snail_capulus_ungaricus_bonnet_hunga…
When live, the white, calcareous shell is covered, including its apical protoconch, by a substantial pale, straw-coloured periostracum that is raised into spiral ribs. Periostracum extends beyond aperture as fragments that form a fringe on adults.
When live, shell is weakly translucent.

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