lucifer, Diplolychnus Regan [C. T.] & Trewavas [E.] 1929:28, Pl. 5 (fig. 1) [Danish Dana Expedition 1920-22 in the North Atlantic and the Gulf of Panama, Oceanographical Reports. v. 2 (no. 5); ref. 3680] North Atlantic, Dana station 1156, 25°11'N, 20°57'W, depth about 350 meters (1000 meters of wire out). Holotype (unique): ZMUC P203820. Type catalog: Nielsen 1974:28 [ref. 9588]. •Valid as Diplolychnus lucifer Regan & Trewavas 1929 -- (Gibbs 1964:340 [ref. 6960]). •Synonym of Borostomias mononema (Regan & Trewavas 1929) -- (Gibbs & Morrow 1973:128 [ref. 7174], Gibbs in Whitehead et al. 1984:333 [ref. 13675], Gibbs 1990:305 [ref. 14899]). Current status: Synonym of Borostomias mononema (Regan & Trewavas 1929). Stomiidae: Astronesthinae. Habitat: marine.