Eustomias Vaillant, 1884

Villarins, Bárbara T, Fischer, Luciano G, Prokofiev, Artem M & Mincarone, Michael M, 2023, Four new species of dragonfish genus Eustomias (Stomiiformes: Stomiidae: Melanostomiinae) from the western tropical Atlantic, with remarks on Eustomias minimus Clarke, 1999, Zoological Journal of the Linnean Society 202 (1), pp. 1-17 : 2

Eustomias Vaillant, 1884

Type species: Eustomias obscurus Vaillant, 1884 .

Distinguishing characters: Upper jaw protrusible; jaw dentition uniserial, no large fangs on maxilla; three pairs of basibranchial teeth; chin barbel with extremely variable morphology; anal fin originating well in advance of dorsal fin, anal-fin base much exceeding dorsal-fin base in length; notochord forming a U-shaped or S-shaped bend behind head; the first six or seven vertebrae represented by only incomplete parts (Regan and Trewavas 1930, Morrow and Gibbs 1964, Gibbs et al. 1983, Fink 1985).