| Umayodus(noun, animal, creature, geohistory, appearance) |
| Velates(noun, animal, creature, geohistory, appearance) |
| Xenungulata(noun, animal, creature, geohistory, appearance) |
| Adapisoriculidae(noun, animal, creature, geohistory, appearance) |
| XenungulataAdapisoriculidae(noun, creature, geohistory, paleocene) |
| danian first appearance(noun, animal, geohistory, appearance) |
| extant paleocene first appearance(noun, creature, geohistory, paleocene) |
| Adapidae(noun, fauna, eocene, extinction) |
| Adapinae(noun, fauna, eocene, extinction) |
| Ambulocetidae(noun, fauna, eocene, extinction) |
| Archaeopithecidae(noun, fauna, eocene, extinction) |
| Arctocyonidae(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) |
| Cimolesta(noun, fauna, eocene, extinction) |
| Cimolodonta(noun, fauna, eocene, extinction) |