| Oromerycidae(noun, fauna, eocene, extinction) |
| Pakicetidae(noun, fauna, eocene, extinction) |
| Palaeoamasiidae(noun, fauna, eocene, extinction) |
| Palaeochiropterygidae(noun, fauna, eocene, extinction) |
| Palaeophiidae(noun, fauna, eocene, extinction) |
| Priscagamidae(noun, fauna, eocene, extinction) |
| Prorastomidae(noun, fauna, eocene, extinction) |
| Protocetidae(noun, fauna, eocene, extinction) |
| Pteridospermatophyta(noun, fauna, eocene, extinction) |
| Ptilodontoidea(noun, fauna, eocene, extinction) |
| Raoellidae(noun, fauna, eocene, extinction) |
| Remingtonocetidae(noun, fauna, eocene, extinction) |
| Sclerorhynchidae(noun, fauna, eocene, extinction) |
| Simimyidae(noun, fauna, eocene, extinction) |
| cretaceous-paleogene boundary(noun, geohistory, eocene, extinction) |
| eocene first appearance(noun, creature, geohistory, paleocene) |
| extant paleogene first appearance(noun, creature, geohistory, paleocene) |
| oligocene first appearance(noun, creature, geohistory, paleocene) |
| paleocene extinction(noun, fauna, eocene, extinction) |
| paleogene extinction(noun, geohistory, eocene, extinction) |