| Astrapotheriidae(noun, creature, geohistory, appearance, eocene) |
| Barytherium(noun, creature, geohistory, appearance, eocene) |
| Behemotops(noun, animal, creature, geohistory, appearance) |
| Borhyaenidae(noun, creature, geohistory, appearance, eocene) |
| Bothriogenys(noun, creature, geohistory, appearance, eocene) |
| Chalicothere(noun, creature, geohistory, appearance, eocene) |
| Chalicotherioidea(noun, creature, geohistory, appearance, eocene) |
| Ciliopagurus(noun, animal, creature, geohistory, appearance) |
| Coeloma(noun, creature, geohistory, appearance, eocene) |
| Conoclypus(noun, creature, geohistory, appearance, eocene) |
| Cynodictis(noun, creature, geohistory, appearance, eocene) |
| Daphoeninae(noun, animal, creature, geohistory, appearance) |
| Daphoenus(noun, creature, geohistory, appearance, eocene) |
| Dermotherium(noun, creature, geohistory, appearance, eocene) |
| Desmostylia(noun, animal, creature, geohistory, appearance) |
| Desmostylidae(noun, animal, creature, geohistory, appearance) |
| Diamantomyidae(noun, creature, geohistory, appearance, eocene) |
| Dichobunidae(noun, creature, geohistory, appearance, eocene) |
| Diplocynodontinae(noun, creature, geohistory, appearance, eocene) |
| Ecphora(noun, creature, geohistory, appearance, eocene) |