nothus, Opistognathus Smith-Vaniz [W. F.] 1997:1091, Figs. 5, 6b, 7b1-4, 9b [Bulletin of Marine Science v. 60 (no. 3); ref. 22985] 59 kilometers off Cape Lookout, 34°08.5'N, 76°10.3'W, North Carolina, U.S.A. Holotype: ANSP 127058. Paratypes: AMNH 82388 (1), ANSP 162313 (1, c&s), USNM 37462 (1). •Valid as Opistognathus nothus Smith-Vaniz 1997 -- (Smith-Vaniz 2003:1378 [ref. 27083], Nelson et al. 2004:130 [ref. 27807], McEachran & Fechhelm 2005:208 [ref. 28815], Page et al. 2013:134 [ref. 32708], Smith-Vaniz 2017:55 [ref. 35243], Martínez-Servín et al. 2023:115 [ref. 40726], Page et al. 2023:159 [ref. 40505]). Current status: Valid as Opistognathus nothus Smith-Vaniz 1997. Opistognathidae. Distribution: Western Atlantic: including Gulf of Mexico and Caribbean Sea. Habitat: marine.