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

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).

OTHER SPECIES ALBUMS
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