- Descrito por / Described by:
George A. Boulenger, 1895

- Nome original / Original name:
Anacyrtus prognathus

- Nome do artigo / Article name:
Abstract of a report on a large collection of fishes formed by Dr. C. Ternetz in Matto Grosso and Paraguay, with descriptions of new species.

- Publicado em / Published in:
Proceedings of the Zoological Society of London 1895 (pt 3): 523-529.

- Localidade tipo / Type locality:
Paraguai / Paraguay River basin and Bahia Negra, Paraguay.