Synonyma
Upsilodus Miranda Ribeiro, 1924 ― Upsilodus victori Miranda Ribeiro, 1924
Miranda Ribeiro, A. de 1924. Ainda "Hemipsilichthys" e generos alliados. Boletim do Museu Nacional do Rio de Janeiro v. 1 (no. 5): 365-366.
Typový druh
Xenomystus gobio Lütken, 1874.
Původní popis
Eigenmann, C. H. & Eigenmann, R. S. 1889. Preliminary notes on South American Nematognathi. II. Proceedings of the California Academy of Sciences (Series 2) v. 2: 28-56.
Použitá literatura
Fricke, R., Eschmeyer, W. N. & Van der Laan, R. (eds). 2026. Eschmeyer's catalog of fishes: Genera, species, references. World Wide Web.