| Eocene genus extinction(expression, extinction, period, geochronology) |
| Lutetian extinction(expression, extinction, period, geochronology) |
| Priabonian extinction(expression, extinction, period, geochronology) |
| 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) |
| Acheronodon(noun, extinction, paleocene, genus) |
| Adocus(noun, fauna, extinction, rupelian) |
| Aegyptopithecus(noun, fauna, extinction, rupelian) |
| Anconodon(noun, extinction, paleocene, genus) |
| Andrewsarchus(noun, fauna, extinction, priabonian) |
| Anoplotheriidae(noun, fauna, extinction, rupelian) |
| Anthidium exhumatum(expression, fauna, extinction, rupelian) |
| Anthidium scudderi(expression, fauna, extinction, rupelian) |
| Anthracotherium(noun, fauna, extinction, chattian) |
| Anthropornis(noun, fauna, extinction, rupelian) |