Ichthyococcus Bonaparte, 1840

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 : 25

Ichthyococcus Bonaparte, 1840

Diagnosis. Ichthyococcus is distinguished in the Phosichthyidae by the relatively small mouth, reaching to about mid-eye; premaxilla excluded from mouth gape; jaw teeth uniserial and closely spaced; two ORB (1 anterior to eye and 1 mid-ventral or posterior to it); anal-fin base well behind dorsal-fin base; adipose fin present; 10–15 dorsal-fin rays; 13–17 anal-fin rays; eyes tubular and somewhat upward directed; two rows of serial photophores (ventral and lateral series); BR 11–13; IV 25–28; VAV 9–14; AC 12–14; OA 23–31 (Grey, 1964; Mukhacheva, 1980; Fujii, 1983a). Seven valid species (Fricke et al., 2022).