| Hyopsodus(noun, name, eocene, mammal) |
| Hypercoryphodon(noun, name, eocene, mammal) |
| Indohyaenodon(noun, name, eocene, mammal) |
| Interatheriidae(noun, name, eocene, mammal) |
| Intyrictis(noun, name, eocene, mammal) |
| Isotemnidae(noun, name, eocene, mammal) |
| Kopidodon(noun, name, eocene, mammal) |
| Leontiniidae(noun, name, eocene, mammal) |
| Leptictida(noun, name, eocene, mammal) |
| Leptictidium(noun, name, eocene, mammal) |
| Leptictis(noun, name, eocene, mammal) |
| Lesmesodon(noun, name, eocene, mammal) |
| Limnocyon(noun, name, eocene, mammal) |
| Macrocranion(noun, name, eocene, mammal) |
| Megaleptictis(noun, name, eocene, mammal) |
| Mesodmops(noun, name, eocene, mammal) |
| Mesotheriidae(noun, name, eocene, mammal) |
| Metacheiromys(noun, name, eocene, mammal) |
| Metahapalodectes(noun, name, eocene, mammal) |
| Mondegodon(noun, name, eocene, mammal) |