11 Tonicella marmorea

Length 29 mm. LWS. Isle of Lewis, Scotland. April 2018. Leg. D.W. McKay & S.Taylor.

Valves ii, iv and, less consistently, vii often have more dark colour than the other valves.

SPECIES DESCRIPTION part A: flic.kr/p/2gz9Ndp

SPECIES DESCRIPTION part B: flic.kr/p/2gzajx3

Key id. features: flic.kr/p/2gzaj8q

Sets of OTHER SPECIES:

www.flickr.com/photos/56388191@N08/collections/

Done