27 Patella depressa. Shell-length 27mm. Mantle removed. Lleyn, Wales. September 2015.

27 Patella depressa. Shell-length 27mm. Mantle removed. Lleyn, Wales. September 2015.

1: translucent membrane over viscera, revealed by removal of overlying black mantle.
2: digestive gland.
3: intestine.
4: course of radula between pair of purple-pink cartilage bolsters of odontophore; visible through translucent epithelium of head.
5: part of radula seen through translucent-white radular sac.

OTHER SPECIES ALBUMS
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