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| No. | Valid Name | Author | English Name |
| 1. | Hybognathus amarus | (Girard, 1856) | Rio Grande silvery minnow |
| 2. | Hybognathus argyritis | Girard, 1856 | Western silvery minnow |
| 3. | Hybognathus hankinsoni | Hubbs, 1929 | Brassy minnow |
| 4. | Hybognathus hayi | Jordan, 1885 | Cypress minnow |
| 5. | Hybognathus nuchalis | Agassiz, 1855 | Mississippi silvery minnow |
| 6. | Hybognathus placitus | Girard, 1856 | Plains minnow |
| 7. | Hybognathus regius | Girard, 1856 | Eastern silvery minnow |