| Oreodontoides(noun, animal, creature, geohistory, appearance) |
| Oxydactylus(noun, animal, creature, geohistory, appearance) |
| Palorchestidae(noun, animal, creature, geohistory, appearance) |
| Pelagornis(noun, animal, creature, geohistory, appearance) |
| Phenacocoelus(noun, animal, creature, geohistory, appearance) |
| Proailurus(noun, animal, creature, geohistory, appearance) |
| Prosqualodon(noun, animal, creature, geohistory, appearance) |
| Pseudolabis(noun, animal, creature, geohistory, appearance) |
| Puijila(noun, animal, creature, geohistory, appearance) |
| Squalodontidae(noun, animal, creature, geohistory, appearance) |
| Syndyocera(noun, animal, creature, geohistory, appearance) |
| Thylacinidae(noun, animal, creature, geohistory, appearance) |
| Thylacoleonidae(noun, animal, creature, geohistory, appearance) |
| Toxodontidae(noun, animal, creature, geohistory, appearance) |
| Vombatiformes(noun, animal, creature, geohistory, appearance) |
| Ysengrinia(noun, animal, creature, geohistory, appearance) |
| Zygomaturinae(noun, animal, creature, geohistory, appearance) |
| extant chattian first appearance(noun, animal, creature, geohistory, appearance) |
| danian first appearance(noun, creature, geohistory, chattian) |
| oligocene first appearance(noun, creature, geohistory, chattian) |