macrocephalus, Melamphaes Parr [A. E.] 1931:41, Fig. 16 [Bulletin of the Bingham Oceanographic Collection Yale University v. 2 (art. 4); ref. 3371] Pacific coast off Mexico, 16°14'00"N, 99°36'30"W, 3750 feet wire out over bottom depth of 1800 fathoms. Holotype: YPM 2697. Paratypes: YPM 2698 (now 14), 2699 (now 3), 8040 [ex 2698] (4), 8041 [ex 2699] (2); USNM 92125 (1). Type catalog: Moore & Boardman 1991:15 [ref. 16741]; YPM 8040 and 8041 are also paratypes of M. spinifer. •Valid as Melamphaes macrocephalus Parr 1931 -- (Ebeling 1962:48 [ref. 5896], Pequeño 1989:52 [ref. 14125], Kotlyar 1996:274 [ref. 23292], Love et al. 2005:68 [ref. 37547], Kotlyar 2011:576 [ref. 31579], Kotlyar 2012:253 [ref. 32009], Love et al. 2021:98 [ref. 39279], Page et al. 2023:105 [ref. 40505]). Current status: Valid as Melamphaes macrocephalus Parr 1931. Melamphaidae. Distribution: Eastern Pacific: California (U.S.A.) (ca 30°N) south to Chile (ca. 23°S), west to 130°W. Habitat: marine.