mammifères
| Nom | Type | Notoriété | Popularité |
|---|---|---|---|
| Shuotherium | Taxon | 8 | 1.8 |
| Sicilo-sarde | Concept | 3 | 4.5 |
| Sidaoun | Concept | 2 | 2.5 |
| Simbakubwa | Taxon | 16 | 2.4 |
| Simocyon | Taxon | 13 | 2.1 |
| Simocyon Batalleri | Taxon | 2 | 6.4 |
| Simocyoninae | Taxon | 4 | 0.4 |
| Simon | Objet | 13 | 3.8 |
| Simosthenurus | Taxon | 11 | 3.8 |
| Sinobaatar | Taxon | 8 | 0.3 |
| Sinoconodon | Taxon | 19 | 0.3 |
| Sinodelphys | Taxon | 15 | 1.9 |
| Sinotherium | Taxon | 17 | 0.5 |
| Sirenia | Taxon | 88 | 44.3 |
| Sita | Objet | 1 | 0.8 |
| Sivatherium | Taxon | 30 | 5.9 |
| Skudde | Concept | 6 | 0.6 |
| Small Tailed Han | Concept | 2 | 0.1 |
| Smiley | Objet | 5 | 0.3 |
| Smoky | Objet | 9 | 1.0 |
| Smutsia Temminckii | Taxon | 44 | 3.3 |
| Socks | Science | 21 | 5.0 |
| Solenodon | Taxon | 39 | 5.6 |
| Solenodon Arredondoi | Taxon | 18 | 0.4 |
| Solenodon Marcanoi | Taxon | 18 | 0.4 |
| Solenodontidae | Taxon | 21 | 4.8 |
| Solisorex Pearsoni | Taxon | 23 | 0.2 |
| Solognote | Concept | 3 | 14.5 |
| Sorex | Taxon | 45 | 3.3 |
| Sorex Alpinus | Taxon | 31 | 2.4 |
| Sorex Araneus | Taxon | 48 | 9.7 |
| Sorex Arcticus | Taxon | 24 | 1.9 |
| Sorex Arunchi | Taxon | 19 | 0.1 |
| Sorex Bendirii | Taxon | 22 | 0.6 |
| Sorex Buchariensis | Taxon | 22 | 0.7 |
| Sorex Cinereus | Taxon | 25 | 1.4 |
| Sorex Coronatus | Taxon | 26 | 1.8 |
| Sorex Daphaenodon | Taxon | 24 | 0.2 |
| Sorex Dispar | Taxon | 22 | 0.8 |
| Sorex Fumeus | Taxon | 21 | 0.6 |
| Sorex Gaspensis | Taxon | 11 | 0.4 |
| Sorex Granarius | Taxon | 27 | 0.4 |
| Sorex Hoyi | Taxon | 23 | 1.1 |
| Sorex Isodon | Taxon | 30 | 0.3 |
| Sorex Minutus | Taxon | 51 | 3.9 |
| Sorex Ornatus | Taxon | 21 | 0.7 |
| Sorex Pacificus | Taxon | 21 | 0.3 |
| Sorex Planiceps | Taxon | 21 | 0.6 |
| Sorex Raddei | Taxon | 22 | 0.1 |
| Sorex Samniticus | Taxon | 24 | 0.1 |