melanocaulus, Melanostomias Regan [C. T.] & Trewavas [E.] 1930:113, Fig. 108c [Danish Dana Expedition 1920-22 in the North Atlantic and the Gulf of Panama, Oceanographical Reports. v. 2 (no. 6); ref. 3681] North Atlantic, 23°10'N, 66°15'W, Dana station 947, depth about 300 meters (900 meters of wire out). Holotype (unique): ZMUC P201918. Type catalog: Nielsen 1974:22 [ref. 9588]. •Synonym of Melanostomias valdiviae Brauer 1902 -- (Morrow 1973:134 [ref. 7175], Gibbs & Barnett 1990:330 [ref. 14915]). Current status: Synonym of Melanostomias valdiviae Brauer 1902. Stomiidae: Melanostomiinae. Habitat: marine.