Considéré comme synonyme junior de Xiphophorus hellerii Heckel, 1848
- Rosen, Donn E & R.M. Bailey. 1963. "The poeciliid fishes (Cyprinodontiformes), their structure, zoogeography, and systematics". Bulletin of the American Museum of Natural History. 126(1):1-176 (ffm04566)
Décrit initialement sous Xiphophorus rachovii:
- Regan, Charles Tate. 1911. "On some fishes of the family Poeciliidae". Annals and Magazine of Natural History. 8(45):373-374 (ffm00056)