Circular, polygyrous, spiral operculum with central nucleus. Translucent, showing only pale flesh of withdrawn animal lacking much dark body pigment.
Shell height 11.4mm. Menai Strait, Wales. February 2014.
Circular, polygyrous, spiral operculum with central nucleus. Translucent, showing only pale flesh of withdrawn animal lacking much dark body pigment.
Shell height 11.4mm. Menai Strait, Wales. February 2014.