| Honey bee(expression, creature, geogistory, oligocene) |
| Hummingbird(noun, creature, geohistory, rupelian) |
| Hymenaea mexicana(expression, creature, geohistory, chattian) |
| Hymenocephalus(noun, creature, geohistory, rupelian) |
| Ictalurus(noun, creature, geogistory, oligocene) |
| Ilariidae(noun, creature, geohistory, chattian) |
| Inversiulidae(noun, creature, geogistory, oligocene) |
| Jacana(noun, creature, geohistory, rupelian) |
| John Dory(expression, creature, geogistory, oligocene) |
| Leptaucheniinae(noun, creature, geohistory, chattian) |
| Mammalodontidae(noun, creature, geohistory, chattian) |
| Megabat(noun, creature, geogistory, oligocene) |
| Megadermatidae(noun, creature, geohistory, rupelian) |
| Mercenaria(noun, creature, geogistory, oligocene) |
| Metacarcinus(noun, creature, geogistory, oligocene) |
| Mobula(noun, creature, geohistory, rupelian) |
| Mongoose(noun, creature, geogistory, oligocene) |
| Mugil(noun, creature, geohistory, rupelian) |
| Muscicapoidea(noun, creature, geogistory, oligocene) |
| Mylagaulidae(noun, creature, geohistory, chattian) |