Typový druh
Quassilabia cypho Lockington, 1879.
Původní popis
Kirsch, P. H. 1889. Notes on a collection of fishes obtained in the Gila River, at Fort Thomas, Arizona, by Lieut. W. L. Carpenter, U. S. Army. Proceedings of the United States National Museum v. 11 (no. 754): 555-558.
Použitá literatura
Fricke, R., Eschmeyer, W. N. & Van der Laan, R. (eds). 2026. Eschmeyer's catalog of fishes: Genera, species, references. World Wide Web.