| Eoconodon(noun, extinction, paleocene, genus) |
| Eucosmodon(noun, extinction, paleocene, genus) |
| Eusmilus(noun, fauna, extinction, chattian) |
| Gastornithidae(noun, fauna, extinction, lutetian) |
| Habrosaurus(noun, extinction, paleocene, genus) |
| Hainina(noun, extinction, paleocene, genus) |
| Hapalodectes(noun, fauna, extinction, ypresian) |
| Hypisodus(noun, fauna, extinction, chattian) |
| Hyposaurus(noun, extinction, paleocene, genus) |
| Hyracotherium(noun, fauna, extinction, lutetian) |
| Ilariidae(noun, fauna, extinction, chattian) |
| Isocrania(noun, extinction, paleocene, genus) |
| Isotemnidae(noun, fauna, extinction, chattian) |
| Jiangxia(noun, extinction, paleocene, genus) |
| Kankatodus(noun, extinction, paleocene, genus) |
| Kimbetohia(noun, extinction, paleocene, genus) |
| Kingena(noun, extinction, paleocene, genus) |
| Krauseia(noun, extinction, paleocene, genus) |
| Lambdopsalis(noun, extinction, paleocene, genus) |
| Leptaucheniinae(noun, fauna, extinction, chattian) |