1. Rostanga rubra. Length c.11mm. Foot and underside of mantle slightly paler scarlet than dorsal surface. Beading of white caryophyllidia around mantle perimeter. Intertidal, Vrsi, Croatia. February 2012.
2. Rostanga rubra. Length c.11mm. Foot and underside of mantle slightly paler scarlet than dorsal surface. Beading of white caryophyllidia around mantle perimeter. Intertidal, Vrsi, Croatia. February 2012.

Rostanga rubra. Length c.11mm. Foot and underside of mantle slightly paler scarlet than dorsal surface. Beading of white caryophyllidia around mantle perimeter. Intertidal, Vrsi, Croatia. February 2012.