1. Lacuna vincta. Anterior of head and foot. Left cephalic tentacle lying across white chink-shape umbilicus. Two smaller metapodial tentacles at rear of foot. Horny periostracum extends beyond edge of aperture. Menai Strait, Wales. Febuary 2011.
2. Lacuna vincta. Anterior of head and foot. Left cephalic tentacle lying across white chink-shape umbilicus. Two smaller metapodial tentacles at rear of foot. Horny periostracum extends beyond edge of aperture. Menai Strait, Wales. Febuary 2011.

Lacuna vincta. Anterior of head and foot. Left cephalic tentacle lying across white chink-shape umbilicus. Two smaller metapodial tentacles at rear of foot. Horny periostracum extends beyond edge of aperture. Menai Strait, Wales. Febuary 2011.