| Nambaroo(noun, creature, geohistory, chattian) |
| Neoepiblemidae(noun, creature, geohistory, chattian) |
| Nephrops(noun, creature, geogistory, oligocene) |
| New World monkey(expression, creature, geohistory, rupelian) |
| Nothokemas(noun, creature, geohistory, chattian) |
| Notoplax(noun, creature, geogistory, oligocene) |
| Nycticorax(noun, creature, geohistory, rupelian) |
| Old World monkey(expression, creature, geogistory, oligocene) |
| Oregonia(noun, creature, geogistory, oligocene) |
| Oreodontoides(noun, creature, geohistory, chattian) |
| Oxydactylus(noun, creature, geohistory, chattian) |
| Palorchestidae(noun, creature, geohistory, chattian) |
| Passeroidea(noun, creature, geogistory, oligocene) |
| Paucituberculata(noun, creature, geogistory, oligocene) |
| Pelagornis(noun, creature, geohistory, chattian) |
| Phalangeriformes(noun, creature, geogistory, oligocene) |
| Phasianidae(noun, creature, geohistory, rupelian) |
| Phenacocoelus(noun, creature, geohistory, chattian) |
| Phiomorpha(noun, creature, geogistory, oligocene) |
| Pici(noun, creature, geohistory, rupelian) |