- Descrito por / Described by:
Henry W. Fowler, 1943

- Nome original / Original name:
Creagrutus amoenus

- Nome do artigo / Article name:
A collection of fresh-water fishes from Colombia, obtained chiefly by Brother Nicéforo Maria.

- Publicado em / Published in:
Proceedings of the Academy of Natural Sciences of Philadelphia v. 95: 223-266.

- Localidade tipo / Type locality:
Rio Orteguasa, Florencia, Caquetá, Colômbia. / Río Orteguasa, Florencia, Caquetá, Colombia.