| Cyprinodontidae Wagner, 1828 |
| Cyprinodontinae Wagner, 1828 |
| Floridichthys Hubbs, 1926 |
| Floridichthys carpio (Günther, 1866) |
| Floridichthys carpio subsp. barbouri Hubbs, 1936 |
| Floridichthys carpio subsp. polyommus Hubbs, 1936 |
| Floridichthys polyommus Hubbs, 1936 |
| Garmanella Hubbs, 1936 |
| Garmanella pulchra Hubbs, 1936 |
| Jordanella Goode & Bean, 1879 |
| Jordanella pulchra (Hubbs, 1936) |
| Megupsilon Miller & Walters, 1972 |
| Megupsilon aporus Miller & Walters, 1972 |