Thick yellow mantle edge (1). Whitish roof of mantle cavity (2). Metapodial tentacle (3) protruding from under operculum. Yellow opercular disc (4) visible under and through operculum. Snout curled into a cylinder (6).
Maximum dimension 9.5 mm, West Anglesey, March 2014 and 12 mm, Dorset, April 2016 (images not at same scale).

Full SPECIES DESCRIPTION: flic.kr/p/2kGH2G9
Sets of OTHER SPECIES:
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