Considéré comme synonyme junior de 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)
Décrit initialement sous 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)