Dinematochirus Regan & Trewavas, 1930

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 : 10

Subgenus Dinematochirus Regan & Trewavas, 1930

Type species: Eustomias fissibarbis ( Pappenheim, 1914) .

Diagnosis: Species of subgenus Dinematochirus have: two developed pectoral-fin rays or pectoral-fin absent; seven pelvic-fin rays; a short barbel, usually 20% SL or less, with three branches arising together or from a short trunk from the darkly pigmented stem well before the single terminal bulb; no photophores on the barbel stem; ventral groove from third to 13th PV; ventral luminous tissue absent or inconspicuous; most of the teeth mobile ( Gibbs et al. 1983, Clarke 1998, Prokofiev 2018).