| Archaeotherium(noun, geohistory, fauna, nebraska) |
| Bathornis(noun, geohistory, fauna, nebraska) |
| Dinictis(noun, geohistory, fauna, nebraska) |
| Eporeodon(noun, geohistory, fauna, nebraska) |
| Hoplophoneus(noun, geohistory, fauna, nebraska) |
| Hyaenodon(noun, geohistory, fauna, nebraska) |
| Hyracodon(noun, geohistory, fauna, nebraska) |
| Ischyromys(noun, geohistory, fauna, nebraska) |
| Leptomeryx(noun, geohistory, fauna, nebraska) |
| Merycoidodon(noun, geohistory, fauna, nebraska) |
| Mesohippus(noun, geohistory, fauna, nebraska) |
| Metamynodon(noun, geohistory, fauna, nebraska) |
| Paracrax(noun, geohistory, fauna, nebraska) |
| Poebrotherium(noun, geohistory, fauna, nebraska) |
| Subhyracodon(noun, geohistory, fauna, nebraska) |
| Alligator(noun, geohistory, fauna, nebraska) |
| Bathornithidae(noun, geohistory, fauna, nebraska) |
| Blastomeryx(noun, geohistory, fauna, nebraska) |
| Cynodesmus(noun, geohistory, fauna, nebraska) |
| Daeodon(noun, geohistory, fauna, nebraska) |