1. Rostanga rubra. Length 10mm. Digital oral tentacles. Mantle wider than foot, underside uniformly coloured with no markings. Foot anterior bilaminate, upper layer slit. Menai Strait, Wales. February 2013.
2. Rostanga rubra. Length 10mm. Digital oral tentacles. Mantle wider than foot, underside uniformly coloured with no markings. Foot anterior bilaminate, upper layer slit. Menai Strait, Wales. February 2013.

Rostanga rubra. Length 10mm. Digital oral tentacles. Mantle wider than foot, underside uniformly coloured with no markings. Foot anterior bilaminate, upper layer slit. Menai Strait, Wales. February 2013.