考慮為晚期同種異名 物種簡介
最初命名為 Catostomus (Acomus) generosus:
- Girard, Charles Frederic. 1856. "Researches upon the cyprinoid fishes inhabiting the fresh waters of the United States, west of the Mississippi Valley, from specimens in the museum of the Smithsonian Institution". Proceedings of the Academy of Natural Sciences of Philadelphia. 8:165-213 (ffm04542)