| Escavadodontidae(noun, creature, geohistory, paleocene) |
| Eurymylidae(noun, creature, geohistory, paleocene) |
| Eutypomyidae(noun, creature, geohistory, eocene) |
| Euzaphlegidae(noun, creature, geohistory, paleocene) |
| Fabiania(noun, creature, geohistory, paleocene) |
| Ficopsis(noun, creature, geohistory, paleocene) |
| Florissantia(noun, creature, geohistory, eocene) |
| Formiciinae(noun, creature, geohistory, eocene) |
| Gadidae(noun, creature, eocene, geogistory) |
| Galecyon(noun, creature, geohistory, eocene) |
| Gastornis(noun, creature, geohistory, paleocene) |
| Gentilicamelus(noun, creature, geohistory, rupelian) |
| Gigantostrea(noun, creature, geohistory, eocene) |
| Gobiomyidae(noun, creature, geohistory, eocene) |
| Ground sloth(expression, creature, geohistory, eocene) |
| Gryposuchinae(noun, creature, geohistory, chattian) |
| Hapalodectidae(noun, creature, geohistory, paleocene) |
| Hegetotheriidae(noun, creature, geohistory, eocene) |
| Heliscomyidae(noun, creature, geohistory, eocene) |
| Helix(noun, creature, eocene, geogistory) |