| Archaeohyrax(noun, america, mammal, oligocene) |
| Branisella(noun, america, mammal, oligocene) |
| Chubutherium(noun, america, mammal, oligocene) |
| Cramauchenia(noun, america, mammal, oligocene) |
| Eopululo(noun, america, mammal, oligocene) |
| Kuntinaru(noun, america, mammal, oligocene) |
| Leontinia(noun, america, mammal, oligocene) |
| Maddenia(noun, america, mammal, oligocene) |
| Mendozahippus(noun, america, mammal, oligocene) |
| Octodontotherium(noun, america, mammal, oligocene) |
| Pachyrukhos(noun, america, mammal, oligocene) |
| Parastrapotherium(noun, america, mammal, oligocene) |
| Peltephilus(noun, america, mammal, oligocene) |
| Pharsophorus(noun, america, mammal, oligocene) |
| Proplatyarthrus(noun, america, mammal, oligocene) |
| Pseudoglyptodon(noun, america, mammal, oligocene) |
| Pyrotherium(noun, america, mammal, oligocene) |
| Rhynchippus(noun, america, mammal, oligocene) |
| Scarrittia(noun, america, mammal, oligocene) |
| Squalodon(noun, america, mammal, oligocene) |