| Subhyracodon(noun, fauna, extinction, chattian) |
| Sunkahetanka(noun, fauna, extinction, chattian) |
| Yantaromyrmex(noun, fauna, extinction, chattian) |
| Adilophontes(noun, animal, creature, geohistory, appearance) |
| Ciliopagurus(noun, animal, creature, geohistory, appearance) |
| Daphoeninae(noun, animal, creature, geohistory, appearance) |
| Desmostylia(noun, animal, creature, geohistory, appearance) |
| Ectopocynus(noun, animal, creature, geohistory, appearance) |
| Enhydrocyon(noun, animal, creature, geohistory, appearance) |
| Florentiamyidae(noun, animal, creature, geohistory, appearance) |
| Gentilicamelus(noun, animal, creature, geohistory, appearance) |
| Leptocyon(noun, animal, creature, geohistory, appearance) |
| Megalonychidae(noun, animal, creature, geohistory, appearance) |
| Megatheriidae(noun, animal, creature, geohistory, appearance) |
| Mesocyon(noun, animal, creature, geohistory, appearance) |
| Myophiomyidae(noun, animal, creature, geohistory, appearance) |
| Osbornodon(noun, animal, creature, geohistory, appearance) |
| Palaelodidae(noun, animal, creature, geohistory, appearance) |
| Paraceratherium(noun, animal, creature, geohistory, appearance) |
| Paradaphoenus(noun, animal, creature, geohistory, appearance) |