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(Pennant, 1777)

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

Size:
Up to 13 x 4.5 mm.

Colour:
Whitish with areas of brown.

Animal:
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).

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

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

Cylichna cylindracea