- Descrito por / Described by: Carl H. Eigenmann, 1908
- Nome original / Original name: Moenkhausia barbouri
- 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: Villa Bella, Amazonas, Brasil. / Villa Bella, Amazonas, Brazil.
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