Considerado un sinónimo menor 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)
Descripción original como 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)