1. Rudimentary vestigial shell from mature animal. Height (longest dimension) 18mm, about 30% length of animal. Caithness, Scotland. June 1975.
2. Rudimentary vestigial shell from mature animal. Height (longest dimension) 18mm, about 30% length of animal. Caithness, Scotland. June 1975.

Rudimentary vestigial shell from mature animal. Height (longest dimension) 18mm, about 30% length of animal. Caithness, Scotland. June 1975.

Aplysia punctata

© P.Martin https://www.facebook.com/groups/371185452913250/

Aplysia punctata

© I.F.Smith https://flic.kr/s/aHskuaWLEz