| Epihippus(noun, eocene, extinction, genus) |
| Eucosmodon(noun, extinction, paleocene, genus) |
| Eumorphocorystes(noun, extinction, genus, oligocene) |
| Fabiania(noun, eocene, extinction, genus) |
| Florissantia(noun, fauna, extinction, oligocene) |
| Gastornis(noun, eocene, extinction, genus) |
| Glyphea(noun, eocene, extinction, genus) |
| Gobiatherium(noun, eocene, extinction, genus) |
| Groeberiidae(noun, fauna, extinction, oligocene) |
| Gryphaea(noun, eocene, extinction, genus) |
| Habrosaurus(noun, extinction, paleocene, genus) |
| Hainina(noun, extinction, paleocene, genus) |
| Hapalorestes(noun, eocene, extinction, genus) |
| Haplohippus(noun, eocene, extinction, genus) |
| Harpagolestes(noun, eocene, extinction, genus) |
| Hercoglossidae(noun, fauna, extinction, oligocene) |
| Heteromeryx(noun, fauna, extinction, priabonian) |
| Holcorpa(noun, fauna, extinction, priabonian) |
| Holosteus(noun, fauna, extinction, oligocene) |
| Honanodon(noun, eocene, extinction, genus) |