13 Rissoa lilacina

13 Rissoa lilacina

Black pigment on the snout extends as a band onto and along the foot to the opercular disc. Faint yellowish brown patch between and behind the tentacles (1). Part of the opercular disc is yellow where it consists of the end of a yellow columellar muscle attached to the operculum (2).
Shell height 3.9 mm. North Wales, March 2015.
: flic.kr/p/2ogofx8
Sets of OTHER SPECIES: /