fossiles
| Nom | Type | Notoriété | Popularité |
|---|---|---|---|
| Simorhinella | Taxon | 8 | 0.0 |
| Simosthenurus Occidentalis | Taxon | 4 | 0.3 |
| Simpsonodon | Taxon | 6 | 0.0 |
| Sinophoneus | Taxon | 8 | 0.5 |
| Siphonodella | Taxon | 2 | 0.0 |
| Smilesaurus | Taxon | 6 | 0.2 |
| Soestia | Taxon | 7 | 0.0 |
| Spartobranchus Tenuis | Taxon | 3 | 0.0 |
| Spathognathodontidae | Taxon | 3 | 0.0 |
| Sphenacodon | Taxon | 28 | 1.3 |
| Sphenacodontia | Taxon | 20 | 1.8 |
| Sphenacodontoidea | Taxon | 16 | 0.8 |
| Sphingopus | Taxon | 2 | 0.3 |
| Sphénacodontidés | Taxon | 24 | 1.6 |
| Spriggina | Taxon | 31 | 1.5 |
| Squelette Monté | Concept | 2 | 0.0 |
| Stahleckeriidae | Taxon | 11 | 0.0 |
| Stanleycaris | Taxon | 13 | 0.0 |
| Stegocephalia | Taxon | 22 | 1.4 |
| Stensioella | Taxon | 5 | 0.1 |
| Stephanophyllia Elegans | Taxon | 2 | 0.1 |
| Steppesaurus Gurleyi | Taxon | 11 | 0.1 |
| Stereospondyli | Taxon | 13 | 0.6 |
| Stereospondylomorpha | Taxon | 10 | 0.5 |
| Sthenurus Stirlingi | Taxon | 1 | 0.3 |
| Stolidobranchia | Taxon | 19 | 0.5 |
| Strachanognathidae | Taxon | 1 | 0.0 |
| Stratiosuchus | Taxon | 9 | 0.3 |
| Streptognathodus | Taxon | 2 | 0.1 |
| Stromatoporoidea | Taxon | 19 | 2.1 |
| Stromatoveris | Taxon | 7 | 0.0 |
| Styela | Taxon | 9 | 0.0 |
| Styela Clava | Taxon | 11 | 1.1 |
| Styelidae | Taxon | 15 | 0.2 |
| Subfossile | Structure Anatomique | 26 | 2.4 |
| Suchogorgon | Taxon | 5 | 0.1 |
| Suchonica | Taxon | 6 | 0.0 |
| Sue | Objet | 22 | 15.0 |
| Suminia | Taxon | 12 | 0.5 |
| Surameryx | Taxon | 6 | 0.0 |
| Sweetognathidae | Taxon | 2 | 0.0 |
| Sweetognathus | Taxon | 3 | 0.0 |
| Swenzia | Taxon | 5 | 0.0 |
| Sycosaurus | Taxon | 10 | 0.0 |
| Synapsida | Taxon | 62 | 26.1 |
| Synaptotylus | Taxon | 2 | 0.0 |
| Synaptotylus Newelli | Taxon | 2 | 0.0 |
| Syodon | Taxon | 12 | 0.0 |
| Syodontinae | Taxon | 5 | 0.1 |
| Tapinocaninus | Taxon | 7 | 0.2 |