Updated 26 Nov. 2023
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Bryconexodon Géry 1980 brycon, generalized term used in generic names of many characiform fishes, derived from brýchō (Gr. βρύχω), to bite, gnash teeth or eat greedily, originally an allusion to fully toothed maxillae but possibly used here alluding to its “general characid shape” (translation); exodon, referring to similarity to Exodon

Bryconexodon juruenae Géry 1980 of the upper rio Juruena, tributary of Rio Tapajoz, Mato Grosso, Brazil, type locality

Bryconexodon trombetasi Jégu, Santos & Ferreira 1991 of rio Trombetas, Parà, Brazil, type locality

Exodon Müller & Troschel 1844 ex– (Gr. ἐξ) or éxō (ἔξω), outer or external; odon, Latinized and grammatically adjusted from the Greek nominative ὀδούς (odoús), tooth, referring to its outward-projecting teeth

Exodon paradoxus Müller & Troschel 1844 Latin for strange or contrary to expectation, presumably referring to the strange appearance of its outward-projecting teeth

Roeboexodon Géry 1959 intermediate in form between Roeboides and Exodon

Roeboexodon guyanensis (Puyo 1948) –ensis, Latin suffix denoting place: French Guiana, where original specimens (now lost) were collected