| Turkmene(noun, extinction, paleocene, genus) |
| Tylocidaris(noun, eocene, extinction, genus) |
| Tytthaena(noun, eocene, extinction, genus) |
| Umayodus(noun, eocene, extinction, genus) |
| Volutospina(noun, eocene, extinction, genus) |
| Xanclomys(noun, extinction, paleocene, genus) |
| Xyronomys(noun, extinction, paleocene, genus) |
| Yaminuechelys(noun, extinction, paleocene, genus) |
| Yantanglestes(noun, extinction, paleocene, genus) |
| Zamites(noun, eocene, extinction, genus) |
| Afrotarsius(noun, fauna, extinction, oligocene) |
| Archaeohyrax(noun, fauna, extinction, oligocene) |
| Bennettitales(noun, fauna, extinction, oligocene) |
| Caedocyon(noun, fauna, extinction, oligocene) |
| Calamophylliopsis(noun, fauna, extinction, oligocene) |
| Cormocyon(noun, fauna, extinction, oligocene) |
| Cymatoceras(noun, fauna, extinction, oligocene) |
| Cymatoceratidae(noun, fauna, extinction, oligocene) |
| Eocene-Oligocene extinction event(expression, geohistory, event, extinction) |
| Eosimiidae(noun, fauna, extinction, oligocene) |