Leisomus Swainson [W.] 1839:328 Masc. Tetrodon marmoratus Swainson 1839. Type by monotypy. As Leiodon on p. 194. Type designated by Swain 1883:283 [ref. 5966] if laevissinus if not available. Spelled Leiosomus by authors. See account of Leiodon Swainson. Species name laevissimus perhaps not available; type therefore by monotypy. Bleeker (1845:45) gave preference to Leiodon. •Synonym of Leiodon Swainson 1839 -- (Kottelat 2013:478 [ref. 32989]). Current status: Synonym of Leiodon Swainson 1839. Tetraodontidae.