ophistoma, Heterophotus Regan [C. T.] & Trewavas [E.] 1929:29, Pl. 6 (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, depth 600-2500 meters. Syntypes: (9) BMNH 1929.1.14.122 (1), 1929.1.4.123 (1), 929.1.4.129 (1); ZMUC P202081 (1), P202859-62 (4). Type catalog: Nielsen 1974:28 [ref. 9588]. •Valid as Heterophotus ophistoma Regan & Trewavas 1929 -- (Gibbs 1964:342 [ref. 6960], Fujii in Uyeno et al. 1983:148 [ref. 14275], Fujii in Masuda et al. 1984:50 [ref. 6441], Paxton et al. 1989:196 [ref. 12442], Gibbs 1990:306 [ref. 14899], McEachran & Fechhelm 1998:461 [ref. 23897], Harold 1999:1906 [ref. 24741], Nakabo 2000:324 [ref. 25086], Hutchins 2001:19 [ref. 25847], Nakabo 2002:324 [ref. 26001], Harold 2003:895 [ref. 27001], Moore et al. 2003:186 [ref. 27076], Mundy 2005:177 [ref. 28379], Paxton et al. 2006:438 [ref. 28995], Liao et al. 2006:526 [ref. 29419], Fricke et al. 2011:357 [ref. 31242], Harold 2016:1799 [ref. 34568], Carneiro et al. 2019:100 [ref. 37250], Klautau et al. 2020:7 [ref. 37903], Sutton et al. 2020:78 [ref. 37832], Eduardo et al. 2022:6 [ref. 39574], Fermon et al. 2022:173 [ref. 39448], Villarins et al. 2022:36 [ref. 39442], Page et al. 2023:88 [ref. 40505]). Current status: Valid as Heterophotus ophistoma Regan & Trewavas 1929. Stomiidae: Astronesthinae. Distribution: Circumglobal in tropical and subtropical seas. Habitat: marine.