| Leptaucheniinae(noun, animal, creature, geohistory, appearance) |
| Mammalodontidae(noun, animal, creature, geohistory, appearance) |
| Anthracotherium(noun, fauna, extinction, chattian) |
| Archaeohyracidae(noun, fauna, extinction, chattian) |
| Behemotops(noun, fauna, extinction, chattian) |
| Dermotherium(noun, fauna, extinction, chattian) |
| Desmostylidae(noun, fauna, extinction, chattian) |
| Dichobunidae(noun, fauna, extinction, chattian) |
| Eusmilus(noun, fauna, extinction, chattian) |
| Hypisodus(noun, fauna, extinction, chattian) |
| Isotemnidae(noun, fauna, extinction, chattian) |
| Leptomeryx(noun, fauna, extinction, chattian) |
| Merycoides(noun, fauna, extinction, chattian) |
| Merycoidodon(noun, fauna, extinction, chattian) |
| Nimravus(noun, fauna, extinction, chattian) |
| Notohippidae(noun, fauna, extinction, chattian) |
| Otarocyon(noun, fauna, extinction, chattian) |
| Philotrox(noun, fauna, extinction, chattian) |
| Priscocamelus(noun, fauna, extinction, chattian) |
| Proborhyaenida(noun, fauna, extinction, chattian) |