Promecocephalus Troschel [F. H.] (ex Bibron) 1856:88 Masc. Tetrodon laevigatus Linnaeus 1766. Type by subsequent designation. Appeared first as "Promécocéphale" Bibron in Duméril 1855:279 [ref. 297]; latinized by Troschel as above, also by Hollard 1857:319 [ref. 2186]. First technical addition of species not researched. Type above as given by Jordan 1919:262 [ref. 2410]. Kottelat 2001:612 [ref. 25859] regards Promecocephale as available, with no description but six included species. •Synonym of Lagocephalus Swainson 1839 -- (Tortonese 1973:645 [ref. 7192], Shipp 1974:17 [ref. 7147], Kottelat 2013:477 [ref. 32989]). Current status: Synonym of Lagocephalus Swainson 1839. Tetraodontidae.