Considerato un sinonimo junior di Gila robusta Baird & Girard, 1853
- Lee, D.S. & C.R. Gilbert. 1980. "Atlas of North American freshwater fishes". Publication #1980-12 of the North Carolina Biological Survey. 1-854 (ffm04545)
Descrizione originale come Gila grahamii:
- Baird, Spencer F. & C.F. Girard. 1853. "Descriptions of new species of fishes collected by Mr. John H. Clark, on the U. S. and Mexican Boundary Survey, under Lt. Col. Jas. D. Graham". Proceedings of the Academy of Natural Sciences of Philadelphia. 6:387-390 (ffm04562)