"Opalia bicarinata" . . _:b76641515 . "Opalia bicarinata" . . . . . _:b76641515 "524055" . _:b76641515 . . . "Opalia bicarinata (G.B. Sowerby II, 1844)" . "Opalia bicarinata" . _:b76641515 . . . "(G.B. Sowerby II, 1844)" . _:b76641515 "WoRMS id" . . "591368" . . "524055" .