. "* Cymatium (Septa) trigonum (Gmelin, 1791)" . . . "* Triton ficoides (Reeve, 1844)" . "* Tritonium ficoidesL. A. Reeve, 1844" . "Monoplex trigonus, common name the Trigonal Hairy Triton, is a species of predatory sea snail, a marine gastropod mollusk in the family Ranellidae, the triton snails, triton shells or tritons."@en . "* Murex trigonus (Gmelin, 1791)" . . . "* Cymatium (Monoplex) trigonum (Gmelin, J.F., 1791)" . "* Triton caudatus (Kiener, 1842)" . . "Monoplex trigonus"@en . . "* Triton samier (Petit de la Saussaye, 1852)" . "* Cymatium trigonum (Gmelin, 1791)" .