Nominostomias (subgenus of Eustomias) Regan [C. T.] & Trewavas [E.] 1930:72, 82 Masc. Eustomias bibulbosus Parr 1927. Type by original designation. •Synonym of Eustomias Vaillant 1884 (often dated 1888) -- (Gibbs in Morrow & Gibbs 1964:377 [ref. 6962], Morrow 1973:137 [ref. 7175]). •Synonym of Eustomias Vaillant 1884 (often dated 1888), but a valid subgenus Nominostomias as described -- (Gibbs et al. 1983 [ref. 5269], Clarke 1999:1002 [ref. 24186], Prokofiev 2018:4 [ref. 35845], Koeda & Ho 2019:101 [ref. 37152], Villarins et al. 2023:7 [ref. 40593], Stewart et al. 2024:93 [ref. 41164]). Current status: Synonym of Eustomias Vaillant 1884. Stomiidae: Melanostomiinae.