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| No. | Valid Name | Author | English Name |
| 1. | Ictiobus bubalus | (Rafinesque, 1818) | Smallmouth buffalo |
| 2. | Ictiobus cyprinellus | (Valenciennes, 1844) | Bigmouth buffalo |
| 3. | Ictiobus labiosus | (Meek, 1904) | Fleshylip buffalo |
| 4. | Ictiobus meridionalis | (Günther, 1868) | Usumacinta buffalo |
| 5. | Ictiobus niger | (Rafinesque, 1819) | Black buffalo |