12 Haminoea navicula COMPARE Akera bullata

12 Haminoea navicula COMPARE Akera bullata

Akera bullata truncated spire protrudes a little beyond final whorl (1) or hardly at all (2). Spiral slit in suture between whorls, sealed by membrane on early whorls (3). Fleet lagoon, Dorset, April 2012. Leg. M. Storey.

Leg. M. Storey.