Considerado un sinónimo menor de Catostomus insignis Baird & Girard, 1854
- Gilbert, Carter R.. 1998. "Type catalog of Recent and fossil North American Freshwater fishes: families Cyprinidae, Catostomidae, Ictaluridae, Centrarchidae and Elassomatidae". Florida Museum of Natural History, Special Publication No. 1. 1-284 (ffm00083)
Descripción original como Catostomus gila:
- 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)