| Megalonychidae(noun, animal, geohistory, appearance) |
| Megatheriidae(noun, animal, geohistory, appearance) |
| Merycoides(noun, animal, geohistory, appearance) |
| Mesocyon(noun, animal, geohistory, appearance) |
| Myophiomyidae(noun, animal, geohistory, appearance) |
| Nimravus(noun, animal, geohistory, appearance) |
| Osbornodon(noun, animal, geohistory, appearance) |
| Osbornodon iamonensis(expression, animal, geohistory, appearance) |
| Palaelodidae(noun, animal, geohistory, appearance) |
| Paraceratherium(noun, animal, geohistory, appearance) |
| Paradaphoenus(noun, animal, geohistory, appearance) |
| Paraenhydrocyon(noun, animal, geohistory, appearance) |
| Paraenhydrocyon josephi(expression, animal, geohistory, appearance) |
| Philotrox(noun, animal, geohistory, appearance) |
| Phlaocyon(noun, animal, geohistory, appearance) |
| Phlaocyonini(noun, animal, geohistory, appearance) |
| Protoceras(noun, animal, geohistory, appearance) |
| Protolabis(noun, animal, geohistory, appearance) |
| Rhizocyon(noun, animal, geohistory, appearance) |
| Squalodon(noun, animal, geohistory, appearance) |