Uznawany jako synonim Gambusia affinis (Baird & Girard, 1853)
- 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)
Oryginalny opis jako Zygonectes brachypterus:
- Cope, Edward D. 1880. "On the zoological position of Texas". Bulletin of the United States National Museum (ffm04569)