12 Aplysia punctata. Orkney, Scotland. May 2014. Leg. © P.Martin.

12 Aplysia punctata. Orkney, Scotland. May 2014. Leg.  ©  P.Martin.

Parapodium folded down to conceal enclosed features. Presumably, inhalent respiratory current enters at unattached anterior of parapodium and exhalent current departs from anal funnel that projects from between parapodial flaps.

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