| Philotrox(noun, fauna, extinction, chattian) |
| Phiomia(noun, fauna, extinction, rupelian) |
| Phosphatherium(noun, fauna, extinction, ypresian) |
| Plesiadapis(noun, fauna, extinction, ypresian) |
| Poebrotherium(noun, fauna, extinction, rupelian) |
| Presbyornithidae(noun, fauna, extinction, rupelian) |
| Priscocamelus(noun, fauna, extinction, chattian) |
| Proborhyaenida(noun, fauna, extinction, chattian) |
| Sinopa(noun, fauna, extinction, rupelian) |
| Spathorhynchus(noun, fauna, extinction, rupelian) |
| Subhyracodon(noun, fauna, extinction, chattian) |
| Sunkahetanka(noun, fauna, extinction, chattian) |
| Tethysuchia(noun, fauna, extinction, ypresian) |
| Yantaromyrmex(noun, fauna, extinction, chattian) |
| cretaceous-paleogene boundary(expression, extinction, period, geochronology) |
| eocene extinction(expression, extinction, period, geochronology) |
| oligocene extinction(expression, extinction, period, geochronology) |
| paleogene extinction(expression, extinction, period, geochronology) |
| paleogene genus extinction(expression, extinction, period, geochronology) |
| Acheronodon(noun, extinction, paleocene, genus) |