Active Velutina plicatilis is egg-shape with a large flat foot, and tentacles on a snoutless head, but no external gills or siphon.
Very weakly calcified, amber-brown shell consists mainly of periostracum which, when live, forms a velvety surface often mistaken for the mantle of Lamellaria.
Sublittoral Velutina plicatilis. Length about 15 mm. Mull, Scotland. March 2015. Leg. & © G.Brown.

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