28 Patella depressa. Shell length 27mm. Membrane over viscera, and epithelium of head, removed. Lleyn, Wales. September 2015.

1: red / purple-red odontophore.

2: anterior of radula distinctly visible as free of enclosing radular sac.

3: hyaline shield of radula resting on cartilage bolsters of odontophore.

4: rectum.

5: part of radula seen through translucent-white radular sac.

6: digestive gland.

7: intestine.

8: no gonads developed (late September).

 

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

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Done