n = 17
| Scientific Name | Author | Valid Name | Family | English Name |
|---|---|---|---|---|
| Hybognathus amarus | (Girard, 1856) | Hybognathus amarus | Leuciscidae | Rio Grande silvery minnow |
| Hybognathus argyritis | Girard, 1856 | Hybognathus argyritis | Leuciscidae | Western silvery minnow |
| Hybognathus churchilli | Hildebrand, 1932 | Hybognathus placitus | Leuciscidae | Plains minnow |
| Hybognathus evansi | Girard, 1856 | Hybognathus placitus | Leuciscidae | Plains minnow |
| Hybognathus flavipinnis | Cope, 1880 | Genus Species | New species | |
| Hybognathus hankinsoni | Hubbs, 1929 | Hybognathus hankinsoni | Leuciscidae | Brassy minnow |
| Hybognathus hayi | Jordan, 1885 | Hybognathus hayi | Leuciscidae | Cypress minnow |
| Hybognathus nigrotaeniata | Cope, 1880 | Dionda nigrotaeniata | Leuciscidae | Guadalupe roundnose minnow |
| Hybognathus nuchalis | Agassiz, 1855 | Hybognathus nuchalis | Leuciscidae | Mississippi silvery minnow |
| Hybognathus nuchalis amarus | (Girard, 1856) | Hybognathus amarus | Leuciscidae | Rio Grande silvery minnow |
| Hybognathus nuchalis regius | Girard, 1856 | Hybognathus regius | Leuciscidae | Eastern silvery minnow |
| Hybognathus osmerinus | Cope, 1870 | Hybognathus regius | Leuciscidae | Eastern silvery minnow |
| Hybognathus placitus | Girard, 1856 | Hybognathus placitus | Leuciscidae | Plains minnow |
| Hybognathus procne | Cope, 1865 | Notropis procne | Leuciscidae | Swallowtail shiner |
| Hybognathus regius | Girard, 1856 | Hybognathus regius | Leuciscidae | Eastern silvery minnow |
| Hybognathus stramineus | Cope, 1865 | Notropis stramineus | Leuciscidae | Sand shiner |
| Hybognathus volucellus | Cope, 1865 | Notropis volucellus | Leuciscidae | Mimic shiner |