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(Montagu, 1803)

Description (shell):
Shell oval-conical, unsculptured, with a blunt apex and five slightly tumid whorls. Aperture oval; inner lip reflected over the base of the last whorl; a small umbilical groove but no umbilicus.

Size:
Up to 2 x 1.5 mm.

Colour:
Commonly banded brownish-red and white, though may be uniform red, white, or crimson (B. unifasciata-photo).

Animal:
Body with a prominent bifid snout and short cephalic tentacles with eyes at the base; mantle edge without pallial tentacles. Foot with dark purple opercular lobes; no epipodial tentacles. Operculum dark red, ear-shaped and swollen.

Habitat:
Not uncommon among algae and in rock pools near LWM.

Distribution:
Southern species not found further north than the British Isles, where it is widespread except for the southern parts of the North Sea and the Channel east of Isle of Wight (Distr. B. unifasciata).

Barleeia unifasciata