- Descrito por / Described by:
M. L. Durbin, 1908

- Nome original / Original name:
Hyphessobrycon serpae

- Nome do artigo / Article name:
Preliminary descriptions of new genera and species of tetragonopterid characins. (Zoölogical Results of the Thayer Brazilian expedition.).

- Publicado em / Published in:
Bulletin of the Museum of Comparative Zoology v. 52 (no. 6): 91-106.

- Localidade tipo / Type locality:
Serpa (= rio Amazonas em Itacoatiara), Amazonas, Brasil. / Serpa (= Amazon River at Itacoatiara), Amazonas, Brazil.