| Bartonian extinction(expression, geohistory, extinction, period) |
| Eocene genus extinction(expression, geohistory, extinction, period) |
| Lutetian extinction(expression, geohistory, extinction, period) |
| Priabonian extinction(expression, geohistory, extinction, period) |
| Ypresian extinction(expression, geohistory, extinction, period) |
| Adapidae(noun, name, geohistory, extinction) |
| Adapinae(noun, name, geohistory, extinction) |
| Alagomyidae(noun, name, geohistory, extinction) |
| Ambulocetidae(noun, name, geohistory, extinction) |
| Anaptomorphinae(noun, name, geohistory, extinction) |
| Archaeopithecidae(noun, name, geohistory, extinction) |
| Arctocyonidae(noun, name, geohistory, extinction) |
| Arctostylopida(noun, name, geohistory, extinction) |
| Asiadapinae(noun, name, geohistory, extinction) |
| Azibiidae(noun, name, geohistory, extinction) |
| Baenidae(noun, name, geohistory, extinction) |
| Basilosaurinae(noun, name, geohistory, extinction) |
| Brontotheriidae(noun, name, geohistory, extinction) |
| Cercamoniinae(noun, name, geohistory, extinction) |
| Cimolesta(noun, name, geohistory, extinction) |