10 Assiminea grayana

10 Assiminea grayana

1: rim of operculum. 2: short tentacle with eye in tip. 3: end on view of eye in tip of tentacle. 4: white ventral surfaces of snout and foot. Left: March 2013. Dee Estuary, Wales. Right: April 2023, range extension into SW England at Bridgwater Bay. © M. Vosper.