- Descrito por / Described by:
Henry W. Fowler, 1914

- Nome original / Original name:
Astyanax rupununi

- Nome do artigo / Article name:
Fishes from the Rupununi River, British Guiana.

- Publicado em / Published in:
Proceedings of the Academy of Natural Sciences of Philadelphia v. 66: 229-284.

- Localidade tipo / Type locality:
Rio Rupununi, Guiana, 2°-3°N, 50°20'W. / Rupununi River, Guyana, 2°-3°N, 50°20'W.