16 Patella depressa. Length 30mm. Lleyn, Wales. September 2015.

1: mantle-skirt translucent buff, reveals dark-brown radiating bands of shell.

Mantle cavity consists of 2: nuchal cavity over head , and 3: pallial groove filled with pallial gills around entire periphery of foot-head.

 

4: efferent pallial vessel in mantle-skirt, close to pallial-groove, enters 5: nuchal cavity on left.

6: sole of foot pitch-brown.

 

SPECIES DESCRIPTION part A 1Pd flic.kr/p/BaSA3C

SPECIES DESCRIPTION part B 2Pd flic.kr/p/AfbFkR

Key id. features 3Pd flic.kr/p/Ay7bhf

OTHER SPECIES ALBUMS

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

Done