Fig. 2From: Backdating the confirmed presence of Siphonaria pectinata (Gastropoda: Siphonariidae) along the northern Mediterranean shores, with a discussion on its status in the basin a-c Top: dorsal, middle: ventral, bottom: lateral views of shells of Siphonaria pectinata (Linnaeus, 1758) (not to scale). a Mljet Island (17.9 × 13.5 mm) - 1978. b Brač Island (31.9 × 29.5 mm) - 1985. c Hvar Island (24.6 × 18.1 mm) - 1985Back to article page