| Accipitridae(noun, creature, geohistory, oligocene, ypresian) |
| Bat(noun, creature, geohistory, oligocene, ypresian) |
| Cetacea(noun, creature, geohistory, oligocene, ypresian) |
| Crocodile(noun, creature, geohistory, oligocene, ypresian) |
| Crocodylidae(noun, creature, geohistory, oligocene, ypresian) |
| Diodon(noun, creature, geohistory, oligocene, ypresian) |
| Equidae(noun, creature, geohistory, oligocene, ypresian) |
| Euglenid(noun, creature, geohistory, oligocene, ypresian) |
| Falconidae(noun, creature, geohistory, oligocene, ypresian) |
| Fir(noun, creature, geohistory, oligocene, ypresian) |
| Frigatebird(noun, creature, geohistory, oligocene, ypresian) |
| Glossanodon(noun, creature, geohistory, oligocene, ypresian) |
| Hyrax(noun, creature, geohistory, oligocene, ypresian) |
| Leporidae(noun, creature, geohistory, oligocene, ypresian) |
| Notoptera(noun, creature, geohistory, oligocene, ypresian) |
| Parrot(noun, creature, geohistory, oligocene, ypresian) |
| Polychrotinae(noun, creature, geohistory, oligocene, ypresian) |
| Rabbit(noun, creature, geohistory, oligocene, ypresian) |
| Rhizoprionodon(noun, creature, geohistory, oligocene, ypresian) |
| Ruminantia(noun, creature, geohistory, oligocene, ypresian) |