1. D. verrucosa. Pigmented specimen. Unipinnate gill, (p) inner face with few freckles, (f) freckled outer face. (g) spatulate guard-tubercles around gill pit. (m) mantle. Lower shore. July 2012. Faro, Portugal. Leg. & det. G. Calado. Conf. M. Poddubetskaia
  2. D. verrucosa. Pigmented specimen. Unipinnate gill, (p) inner face with few freckles, (f) freckled outer face. (g) spatulate guard-tubercles around gill pit. (m) mantle. Lower shore. July 2012. Faro, Portugal. Leg. & det. G. Calado. Conf. M. Poddubetskaia

D. verrucosa. Pigmented specimen. Unipinnate gill, (p) inner face with few freckles, (f) freckled outer face. (g) spatulate guard-tubercles around gill pit. (m) mantle. Lower shore. July 2012. Faro, Portugal. Leg. & det. G. Calado. Conf. M. Poddubetskaia