Typová lokalita
Mato Grosso State, Municipality of Querência, rio Xingu basin, 13°00'26"S, 52°11'27"W, Brazil.
Původní popis
Silva, G. S. C., Roxo, F. F. & Oliveira, C. 2014. Hisonotus acuen, a new and phenotypically variable cascudinho (Siluriformes, Loricariidae, Hypoptopomatinae) from the upper rio Xingu basin, Brazil. ZooKeys No. 442: 105-125.
Použitá literatura
Fricke, R., Eschmeyer, W. N. & Van der Laan, R. (eds). 2024. Eschmeyer's catalog of fishes: Genera, species, references. World Wide Web.