| Barytherium(noun, creature, geohistory, appearance, eocene) |
| Borhyaenidae(noun, creature, geohistory, appearance, eocene) |
| Bothriogenys(noun, creature, geohistory, appearance, eocene) |
| Chalicothere(noun, creature, geohistory, appearance, eocene) |
| Chalicotherioidea(noun, creature, geohistory, appearance, eocene) |
| Coeloma(noun, creature, geohistory, appearance, eocene) |
| Conoclypus(noun, creature, geohistory, appearance, eocene) |
| Cynodictis(noun, creature, geohistory, appearance, eocene) |
| Daphoenus(noun, creature, geohistory, appearance, eocene) |
| Dermotherium(noun, creature, geohistory, appearance, eocene) |
| Diamantomyidae(noun, creature, geohistory, appearance, eocene) |
| Dichobunidae(noun, creature, geohistory, appearance, eocene) |
| Diplocynodontinae(noun, creature, geohistory, appearance, eocene) |
| Ecphora(noun, creature, geohistory, appearance, eocene) |
| Entelodont(noun, creature, geohistory, appearance, eocene) |
| Eomyidae(noun, creature, geohistory, appearance, eocene) |
| Eosimiidae(noun, creature, geohistory, appearance, eocene) |
| Eutypomyidae(noun, creature, geohistory, appearance, eocene) |
| Florissantia(noun, creature, geohistory, appearance, eocene) |
| Galecyon(noun, creature, geohistory, appearance, eocene) |