| Cimolesta(noun, fauna, eocene, extinction) |
| Cimolodonta(noun, fauna, eocene, extinction) |
| Coryphodontidae(noun, fauna, eocene, extinction) |
| Dinocerata(noun, fauna, eocene, extinction) |
| Dinopanorpidae(noun, fauna, eocene, extinction) |
| Dyrosauridae(noun, fauna, eocene, extinction) |
| Echinopedinidae(noun, fauna, eocene, extinction) |
| Epihippus(noun, fauna, eocene, extinction) |
| Epoicotheriidae(noun, fauna, eocene, extinction) |
| Eucosmodontidae(noun, fauna, eocene, extinction) |
| Eurymylidae(noun, fauna, eocene, extinction) |
| Florentiamyidae(noun, fauna, eocene, extinction) |
| Formiciinae(noun, fauna, eocene, extinction) |
| Gobiomyidae(noun, fauna, eocene, extinction) |
| Hallirhoidae(noun, fauna, eocene, extinction) |
| Hapalodectidae(noun, fauna, eocene, extinction) |
| Haplohippus(noun, fauna, eocene, extinction) |
| Henricosborniidae(noun, fauna, eocene, extinction) |
| Hoanghoniinae(noun, fauna, eocene, extinction) |
| Horusornithidae(noun, fauna, eocene, extinction) |