- Descrito por / Described by:
Carl H. Eigenmann, 1922

- Nome original / Original name:
Hemibrycon tridens

- Nome do artigo / Article name:
The fishes of western South America, Part I. The fresh-water fishes of northwestern South America, including Colombia, Panama, and the Pacific slopes of Ecuador and Peru, together with an appendix upon the fishes of the Rio Meta in Colombia.

- Publicado em / Published in:
Memoirs of the Carnegie Museum v. 9 (no. 1): 1-346, Pls. 1-38.

- Localidade tipo / Type locality:
Rio Apurimac em Uruhuasi, sudeste do Peru. / Río Apurimac at Uruhuasi, southeastern Peru.