| Remingtonocetidae(noun, geohistory, eocene, extinction) |
| Rupelian extinction(expression, extinction, period, geochronology) |
| Santa Lucia Formation(expression, geohistory, formation, paleogene) |
| Sclerorhynchidae(noun, geohistory, eocene, extinction) |
| Selandian extinction(expression, extinction, period, geochronology) |
| Shiva crater(expression, geology, crater, paleogene) |
| Silverpit crater(expression, geology, crater, paleogene) |
| Simimyidae(noun, geohistory, eocene, extinction) |
| Sophiornithidae(noun, geohistory, eocene, extinction) |
| Taeniolabididae(noun, geohistory, extinction, paleocene) |
| Taeniolabidoidea(noun, geohistory, extinction, paleocene) |
| Thanetian extinction(expression, extinction, period, geochronology) |
| Tillodontia(noun, geohistory, eocene, extinction) |
| Trigonia(noun, fauna, extinction, paleogene) |
| Triisodontidae(noun, geohistory, eocene, extinction) |
| Uintatheriidae(noun, geohistory, eocene, extinction) |
| Viverravidae(noun, geohistory, eocene, extinction) |
| Xenungulata(noun, geohistory, eocene, extinction) |
| Yaminuechelys(noun, fauna, extinction, paleogene) |
| Ypresian extinction(expression, extinction, period, geochronology) |