Eustomias Vaillant [L. L.] in Filhol 1884:184 Masc. Eustomias obscurus Vaillant 1884 (Type by monotypy.). Available as above; the genus and species appear associated with Fig. 3 along with a short characterization in the text. Wrongly as name only in the synonymy of Eustomias Vaillant 1888 -- (Gibbs in Morrow & Gibbs 1964:377 [ref. 6962]). Also appeared as new in Vaillant 1888:112 [ref. 4496]. •Valid as Eustomias Vaillant 1884 (often dated 1888) -- (Gibbs in Morrow & Gibbs 1964:377 [ref. 6962], Morrow 1973:137 [ref. 7175], Gibbs et al. 1983 [ref. 5269], Gibbs in Whitehead et al. 1984:346 [ref. 13675], Fujii in Masuda et al. 1984:52 [ref. 6441], Gibbs et al. 1983 [ref. 5269], Fink 1985:11 [ref. 5171], Gomon & Gibbs 1985 [ref. 5268], Gibbs 1986:238 [ref. 5655], Paxton et al. 1989:199 [ref. 12442], Gomon et al. 1994:259 [ref. 22532], Clarke 1998:676 [ref. 23419], Clarke 1999:1002 [ref. 24186], Harold 1999:1913 [ref. 24741], Clarke 2001:683 [ref. 25448], Harold 2003:909 [ref. 27001], Paxton et al. 2006:445 [ref. 28995], Kenaley et al. 2008:249 [ref. 30630], Prokofiev 2015:101 [ref. 33690], Schnell & Johnson 2017:1 [ref. 35193], Fricke et al. 2018:67 [ref. 35805], Prokofiev 2018:2 [ref. 35845], Brown et al. 2019:158 [ref. 36444], Fricke et al. 2019:62 [ref. 36673], Prokofiev 2019:263 [ref. 36740], Koeda & Ho 2019:95 [ref. 37152], Prokofiev 2020:331 [ref. 37510], Prokofiev 2020:345 [ref. 37646], Prokofiev & Orlov 2022:239 [ref. 39047], Kimura et al. 2023:[1] [ref. 40274], Villarins et al. 2023:2 [ref. 40593], Stewart et al. 2024:93 [ref. 41164]). Current status: Valid as Eustomias Vaillant 1884. Stomiidae: Melanostomiinae.