- Descrito por / Described by:
James E. Böhlke, 1952

- Nome original / Original name:
Aulixidens eugeniae

- Nome do artigo / Article name:
Studies on fishes of the family Characidae. No. 1. A new genus of Cheirodontine characids from the Canal de Casiquiare and adjacent waters in Venezuela and northern Brazil.

- Publicado em / Published in:
Annals and Magazine of Natural History (Series 12) v. 5 (no. 56): 775-777.

- Localidade tipo / Type locality:
Rio Curamori, canal de Casiquiare, Venezuela. / Río Curamoni, Canal de Casiquiare, Venezuela.