United States: South Dakota (4 species, 2 genera)
| Photo | Species | Genus | Class | Country Guesses |
|---|---|---|---|---|
| No image | Fundulus diaphanus menona FB IUCN - LC | Fundulus | Class 1: New World Non-Annuals | Canada HIGH, United States HIGH |
| Fundulus kansae IMG FB IUCN - LC | Fundulus | Class 1: New World Non-Annuals | Mexico HIGH, United States HIGH | |
| Fundulus sciadicus IMG FB IUCN - LC | Fundulus | Class 1: New World Non-Annuals | United States HIGH | |
| Nothobranchius virgatus IMG WN FB IUCN - LC | Nothobranchius | Class 4: Nothobranchius | Sudan HIGH |