. "any of several marine reptiles of the Mesozoic having a body like a porpoise with dorsal and tail fins and paddle-shaped limbs"@en-us . . "101645213"@en-us . "01724231-n"^^ . . . "ichthyosaur"^^ . . . "any of several marine reptiles of the Mesozoic having a body like a porpoise with dorsal and tail fins and paddle-shaped limbs"@en-us . . "ichthyosaur"@en-us . "0"^^ . . "101244819"@en-us . "0"^^ . . . "101724231"^^ .