Leptostomias Gilbert, 1905

Villarins, Bárbara T., Dario, Fabio Di, Eduardo, Leandro N., Lucena-Frédou, Flávia, Bertrand, Arnaud, Prokofiev, Artem M. & Mincarone, Michael M., 2022, Deep-sea dragonfishes (Teleostei: Stomiiformes) collected from off northeastern Brazil, with a review of the species reported from the Brazilian Exclusive Economic Zone, Neotropical Ichthyology (e 220004) 20 (2), pp. 1-78 : 54

Leptostomias Gilbert, 1905

Diagnosis. Leptostomias can be distinguished in the Melanostomiinae by a very long and slender body, maximum depth around 10% SL or less; anal-fin origin below the dorsal-fin origin, adipose fin absent; 10–12 pectoral-fin rays; 20–29 anal-fin rays; 16–22 dorsal-fin rays; one tooth on each side of vomer; one or two pairs of teeth on basibranchials; PV 36 or more; VAV 20–24 (Morrow, Gibbs, 1964; Gibbs, 1986c; Kenaley, Stewart, 2015h; Sutton et al., 2020). A total of 12 valid species (Fricke et al., 2022).