| Alamitophis(noun, expression, geohistory, fauna, extinction) |
| Hyposaurus(noun, expression, geohistory, fauna, extinction) |
| Madtsoia(noun, expression, geohistory, fauna, extinction) |
| Madtsoiidae(noun, expression, geohistory, fauna, extinction) |
| Trigonia(noun, expression, geohistory, fauna, extinction) |
| Yaminuechelys(noun, expression, geohistory, fauna, extinction) |
| Adapidae(noun, fauna, eocene, extinction) |
| Adapinae(noun, fauna, eocene, extinction) |
| Alagomyidae(noun, fauna, eocene, extinction) |
| Ambulocetidae(noun, fauna, eocene, extinction) |
| Anaptomorphinae(noun, fauna, eocene, extinction) |
| Archaeopithecidae(noun, fauna, eocene, extinction) |
| Arctocyonidae(noun, fauna, eocene, extinction) |
| Arctostylopida(noun, fauna, eocene, extinction) |
| Asiadapinae(noun, fauna, eocene, extinction) |
| Azibiidae(noun, fauna, eocene, extinction) |
| Baenidae(noun, fauna, eocene, extinction) |
| Basilosaurinae(noun, fauna, eocene, extinction) |
| Brontotheriidae(noun, fauna, eocene, extinction) |
| Cercamoniinae(noun, fauna, eocene, extinction) |