Original description:
- Agassiz, Louis. 1855. "Art. XII.--Synopsis of the ichthyological fauna of the Pacific slope of North America, chiefly from the collections made by the U. S. Expl. Exped. under the command of Capt. C. Wilkes, with recent additions and comparisons with eastern types". American Journal of Science and Arts. 19(56):215-231 (ffm00096)
Type species: Rutilus anomalous Rafinesque, 1820 (original designation).
Described species included (16):
valid: 2 sub-species: 1 synonym: 13- Rutilus anomalous Rafinesque, 1820 (valid)
- Exoglossum spinicephalum Valenciennes, 1844 (synonym)
- Exoglossum dubium Kirtland, 1845 (synonym)
- Chondrostoma pullum Agassiz, 1854 (sub-species)
- Campostoma formosulum Girard, 1856 (synonym)
- Campostoma nasutum Girard, 1856 (synonym)
- Dionda plumbea Girard, 1856 (synonym)
- Dionda spadicea Girard, 1856 (synonym)
- Campostoma ornatum Girard, 1856 (valid)
- Campostoma callipteryx Cope, 1865 (synonym)
- Campostoma gobioninum Cope, 1865 (synonym)
- Campostoma hippops Cope, 1865 (synonym)
- Campostoma mormyrus Cope, 1865 (synonym)
- Campostoma aikenii Cope, 1875 (synonym)
- Campostoma pricei Jordan & Thoburn, 1896 (synonym)
- Campostoma brevis Haseman, 1906 (synonym)