| Lemuriformes(noun, creature, geohistory, paleocene) |
| Leptaucheniinae(noun, creature, geohistory, chattian) |
| Leptocyon(noun, creature, geohistory, rupelian) |
| Mammalodontidae(noun, creature, geohistory, chattian) |
| Marsupial(noun, creature, geohistory, paleocene) |
| Maximucinus muirheadae(expression, creature, geohistory, rupelian) |
| Megalonychidae(noun, creature, geohistory, rupelian) |
| Megatheriidae(noun, creature, geohistory, rupelian) |
| Merycoides(noun, creature, geohistory, rupelian) |
| Mesocyon(noun, creature, geohistory, rupelian) |
| Microbiotheria(noun, creature, geohistory, paleocene) |
| Microbiotheriidae(noun, creature, geohistory, paleocene) |
| Mousebir(noun, creature, geohistory, paleocene) |
| Mylagaulidae(noun, creature, geohistory, chattian) |
| Myophiomyidae(noun, creature, geohistory, rupelian) |
| Nambaroo(noun, creature, geohistory, chattian) |
| Necturus(noun, creature, geohistory, paleocene) |
| Neoepiblemidae(noun, creature, geohistory, chattian) |
| Nimravus(noun, creature, geohistory, rupelian) |
| Nothokemas(noun, creature, geohistory, chattian) |