. "*Corystes dentatus (Latreille, 1801)" . . . . "Corystes cassivelaunus, the masked crab, helmet crab or sand crab, is a burrowing crab of the North Atlantic and North Sea from Portugal to Norway, which also occurs in the Mediterranean Sea. It may grow up to 4 centimetres or 1.6 inches long (carapace length). The name \"masked crab\" derives from the patterns on the carapace which resemble a human face, in a similar manner to heikegani. It is the only species in the genus Corystes.C."@en . . . . "Corystes cassivelaunus"@en . . "*Hippa dentata (Fabricius, 1793)" . . "*Albunea dentata (Fabricius, 1798)" . . "*Cancer personatus (Herbst, 1785)" . "*Cancer cassivelaunus (Pennant, 1777)" .