Considerado un sinónimo menor de Pimephales promelas Rafinesque, 1820
- 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)
Descripción original como Pimephales agassizii:
- Cope, Edward D. 1867. "Synopsis of the Cyprinidae of Pennsylvania". Transactions of the American Philosophical Society. 13(3):351-410 (ffm00150)