At base of shell, distal end of short, oblique, widely-open siphonal canal meets palatal lip at slightly-acute or right angle when viewed end-on.
Shell height 22.4 mm, West Anglesey, Wales, March 2014.
At base of shell, distal end of short, oblique, widely-open siphonal canal meets palatal lip at slightly-acute or right angle when viewed end-on.
Shell height 22.4 mm, West Anglesey, Wales, March 2014.