09 Cerithiopsis tubercularis

09 Cerithiopsis tubercularis

Mantle (1) lining shell is whitish with grey and shows the shell colour through it.  Band of yellowish-white opaque spots behind eye (2). Black opening to acrembolic proboscis (3). Foot folded along transverse groove. Outer lip of aperture is sharp, scallop-edged and strongly arched. Shell height 6.3 mm. Menai Strait. March 2012.