| Temnocidaris(noun, extinction, paleocene, genus) |
| Tessarolax(noun, extinction, paleocene, genus) |
| Tethysuchia(noun, fauna, extinction, ypresian) |
| Theelia(noun, fauna, extinction, lutetian) |
| Tomistoma cairense(expression, fauna, extinction, lutetian) |
| Trachicaranx(noun, extinction, paleocene, genus) |
| Trigonia(noun, extinction, paleocene, genus) |
| Turkmene(noun, extinction, paleocene, genus) |
| Xanclomys(noun, extinction, paleocene, genus) |
| Xyronomys(noun, extinction, paleocene, genus) |
| Yaminuechelys(noun, extinction, paleocene, genus) |
| Yantanglestes(noun, extinction, paleocene, genus) |
| Yantaromyrmex(noun, fauna, extinction, chattian) |
| Ypresian extinction(expression, extinction, period, geochronology) |
| cretaceous-paleogene boundary(expression, extinction, period, geochronology) |
| paleocene extinction(expression, extinction, period, geochronology) |
| paleogene extinction(expression, extinction, period, geochronology) |
| paleogene genus extinction(expression, extinction, period, geochronology) |
| Acer dettermani(expression, fauna, extinction, rupelian) |
| Acer ivanofense(expression, fauna, extinction, rupelian) |