Considéré comme synonyme junior de Ictalurus balsanus (Jordan & Snyder, 1899)
- Gilbert, Carter R.. 1998. "Type catalog of Recent and fossil North American Freshwater fishes: families Cyprinidae, Catostomidae, Ictaluridae, Centrarchidae and Elassomatidae". Florida Museum of Natural History, Special Publication No. 1. 1-284 (ffm00083)
Décrit initialement sous Ictalurus balsanus occidentalis:
- de Buen, Fernando. 1946. "Ictiogeografica Continental Mexicana (I, II, y III)". Revista de la Sociedad Mexicana de Historia Natural. 7; 87-138 (ffm01109)