Grammatostomias Goode & Bean, 1896

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 : 52

Grammatostomias Goode & Bean, 1896

Diagnosis. Grammatostomias can be distinguished in the Melanostomiinae by the anal-fin origin below the dorsal-fin origin; adipose fin absent; 4–11 pectoral-fin rays, free from membrane, some of them bearing a mass of luminous tissue; premaxillary teeth with 2 large fangs followed by 7–16 smaller teeth; teeth on vomer absent; 2–4 palatine teeth in a single row; conspicuous line or loop of blue luminous tissue on flank (Morrow, Gibbs, 1964; Sutton et al., 2020). Four valid species (Fricke et al., 2022).