niger, Melanocetus Regan [C. T.] 1925:565 [Annals and Magazine of Natural History (Series 9) v. 15 (no. 91); ref. 3677] Gulf of Panama, 6°48'N, 80°33'W, 3500 meters wire out. Lectotype: ZMUC P9252. Syntypes: (7) BMNH 1925.8.11.28 (1), 1925.8.11.29 (1), 1925.8.11.30 (1), 1925.8.11.31 (?); ZMUC P9251 (1), P9253-56 (4). Type catalog: Nielsen 1974:86 [ref. 9588]. Lectotype selected by •Valid as Melanocetus niger Regan 1925 -- (Pequeño 1989:43 [ref. 14125], Castellanos-Galindo et al. 2006:200 [ref. 28944], Pietsch 2009:365 [ref. 30766], Page et al. 2023:165 [ref. 40505]). Current status: Valid as Melanocetus niger Regan 1925. Melanocetidae. Distribution: Eastern Pacific. Habitat: marine.