Mantle on left extends as contractile, light sienna, darkly mottled, respiratory siphon through, and often far beyond, siphonal canal of shell.
Shell height 12.1 mm, West Anglesey, Wales, March 2014.
Mantle on left extends as contractile, light sienna, darkly mottled, respiratory siphon through, and often far beyond, siphonal canal of shell.
Shell height 12.1 mm, West Anglesey, Wales, March 2014.