| Siren(noun, creature, geohistory, eocene) |
| Sirenia(noun, creature, geohistory, ypresian) |
| Smittinidae(noun, creature, geohistory, eocene) |
| Snakehead(noun, creature, geohistory, eocene) |
| Solenostomus(noun, creature, geohistory, eocene) |
| Songbird(noun, creature, geohistory, eocene) |
| Soricomorpha(noun, creature, geohistory, eocene) |
| Sparisoma(noun, creature, geohistory, eocene) |
| Squirrel(noun, creature, geohistory, eocene) |
| Stomachetosellidae(noun, creature, geohistory, eocene) |
| Strepsirrhini(noun, creature, geohistory, eocene) |
| Swift(noun, creature, geohistory, eocene) |
| Talpidae(noun, creature, geohistory, eocene) |
| Tapiroidea(noun, creature, geohistory, eocene) |
| Taxaceae(noun, creature, geohistory, eocene) |
| Tenebrio(noun, creature, geohistory, eocene) |
| Tenrec(noun, creature, geohistory, eocene) |
| Tomistoma cairense(expression, creature, geohistory, lutetian) |
| Tomistominae(noun, creature, geohistory, eocene) |
| Trachurus(noun, creature, geohistory, eocene) |