ZooBank:5892E91D-4C12-403C-82B8-83B1F8848D43.

Descrizione originale come Agosia chrysogaster:

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)

Sinonimi (1):

• Agosia metallica Girard, 1856, con località tipo in Rio San Pedro, an affluent of Gila River, Arizona, U.S.A. Determinatore: Gilbert, 1998
• Hyborhynchus siderius Cope, 1875, con località tipo in Camp Lowell, on lower part of Cienega Creek, Pima County, Arizona, U.S.A. Determinatore: Gilbert, 1998