Descrizione originale:
- 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". Proceeding of the United States National Museum. 11(754):555-558 (ffm00376)
Elenco delle specie descritte (2):
valid: 1 synonym: 1- Catostomus texanus Abbott, 1860 (valid)
- Quassilabia cypho Lockington, 1879 (synonym)