| Chattian extinction(expression, extinction, period, geochronology) |
| Oligocene genus extinction(expression, extinction, period, geochronology) |
| Anthracotherium(noun, fauna, extinction, chattian) |
| Archaeohyracidae(noun, fauna, extinction, chattian) |
| Archaeonycteridae(noun, fauna, extinction, lutetian) |
| Behemotops(noun, fauna, extinction, chattian) |
| Dermotherium(noun, fauna, extinction, chattian) |
| Desmostylidae(noun, fauna, extinction, chattian) |
| Dichobunidae(noun, fauna, extinction, chattian) |
| Eusmilus(noun, fauna, extinction, chattian) |
| Gastornithidae(noun, fauna, extinction, lutetian) |
| Hapalodectes(noun, fauna, extinction, ypresian) |
| Hypisodus(noun, fauna, extinction, chattian) |
| Hyracotherium(noun, fauna, extinction, lutetian) |
| Ilariidae(noun, fauna, extinction, chattian) |
| Isotemnidae(noun, fauna, extinction, chattian) |
| Leptaucheniinae(noun, fauna, extinction, chattian) |
| Leptomeryx(noun, fauna, extinction, chattian) |
| Luvaris necopinatus(expression, fauna, extinction, ypresian) |
| Mammalodontidae(noun, fauna, extinction, chattian) |