Původní popis
Alencar, A.R. & Costa, W.J.E.M. 2006. Trichomycterus pauciradiatus, a new catfish species from the upper rio Paraná basin, southeastern Brazil. (Siluriformes: Trichomycteridae). Zootaxa, 1269: 43–49.
Použitá literatura
Fricke, R., Eschmeyer, W. N. & Van der Laan, R. (eds). 2024. Eschmeyer's catalog of fishes: Genera, species, references. World Wide Web.