Lesser Bulin - Merdigera obscura

A brown, conical shell of characteristic, slightly barrelled shape and oval aperture framed by a broad, reflected rim. Surface mid to dark brown with fine, irregular radial growth lines. Whorls convex and sutures moderately deep. Umbilicus closed.

Found, often covered by algal deposits, on trees, rocks, walls and other vertical surfaces.

All year round.

Widespread and fairly frequent in Britain.

Fairly frequent in Leicestershire and Rutland.