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(Pennant, 1777)

Description (shell):
Shell cylindrical, solid, glossy and opaque.

Up to 13 x 4.5 mm.

Whitish with areas of brown.

Body white to pale buff. The only visible portions are the cephalic shield, indented anteriorly, and smooth, short, rounded tentacles posteriorly. Foot a little larger than head, with very small parapodial lobes between head and shell (C. cylindracea-drawing).

Burrower in fine sand, found in the top 30 mm. Rarely on the lower shore; sublittoral, to 1500 m.

Common in the North Sea (Distr. C. cylindracea).

Cylichna cylindracea