| Embrithopoda(noun, animal, geohistory, extinction) |
| Entelodon(noun, animal, geohistory, extinction) |
| Hoplophoneus(noun, animal, geohistory, extinction) |
| Limnenetes(noun, animal, geohistory, extinction) |
| Mene oblonga(expression, animal, geohistory, extinction) |
| Mesohippus(noun, animal, geohistory, extinction) |
| Mesonychid(noun, animal, geohistory, extinction) |
| Mesonychidae(noun, animal, geohistory, extinction) |
| Mongolestes(noun, animal, geohistory, extinction) |
| Neoplagiaulacidae(noun, animal, geohistory, extinction) |
| Notostylopidae(noun, animal, geohistory, extinction) |
| Oligopithecidae(noun, animal, geohistory, extinction) |
| Paratylopus(noun, animal, geohistory, extinction) |
| Phiomia(noun, animal, geohistory, extinction) |
| Poebrotherium(noun, animal, geohistory, extinction) |
| Presbyornithidae(noun, animal, geohistory, extinction) |
| Sinopa(noun, animal, geohistory, extinction) |
| Spathorhynchus(noun, animal, geohistory, extinction) |