micrognathus, Opisthognathus Poey [F.] 1860:287 [Memorias sobre la historia natural de la Isla de Cuba v. 2; ref. 3499] Cuba. Holotype (unique): whereabouts unknown. Poey specimens: MCZ 12517 (1), 12515 (2); USNM 4785 (2). Type catalog: Howell Rivero 1938:217 [ref. 22926]. Correct spelling of genus is Opistognathus. •Valid as Lonchopisthus micrognathus (Poey 1860) -- (Mead 1959:xx [ref. 12009], Robins & Ray 1986:216 [ref. 23100], Castro-Aguirre & Villavicencio-Garayzar 1988:115 [ref. 17648], Boschung 1992:157 [ref. 23239], Cervigón 1994:15 [ref. 24488], Smith-Vaniz 1997:1075 [ref. 22985], Aguilera 1998:52 [ref. 24221], Smith-Vaniz 2003:1378 [ref. 27083], Smith et al. 2003:27 [ref. 27621], Nelson et al. 2004:130 [ref. 27807], McEachran & Fechhelm 2005:202 [ref. 28815], Page et al. 2013:130 [ref. 32708], Smith-Vaniz & Walsh 2017:76 [ref. 35628], Page et al. 2023:159 [ref. 40505]). Current status: Valid as Lonchopisthus micrognathus (Poey 1860). Opistognathidae. Distribution: Western Atlantic. Habitat: marine.