fossiles
| Nom | Type | Notoriété | Popularité |
|---|---|---|---|
| Scylacosuchidae | Taxon | 1 | 0.0 |
| Scylacosaurus | Taxon | 9 | 0.0 |
| Scylacosauridae | Taxon | 9 | 0.0 |
| Scylacosauria | Taxon | 7 | 0.3 |
| Scylacops | Taxon | 9 | 0.0 |
| Scolécodonte | Taxon | 5 | 0.2 |
| Scolopodus | Taxon | 2 | 0.0 |
| Sclerothorax Hypselonotus | Taxon | 8 | 0.0 |
| Sclerocephalus Haeuseri | Taxon | 3 | 0.0 |
| Sclerocephalus | Taxon | 12 | 0.9 |
| Sclerocephalidae | Taxon | 4 | 0.0 |
| Scincosaurus | Taxon | 10 | 0.0 |
| Scalopodontes | Taxon | 6 | 0.0 |
| Scaliognathus | Taxon | 2 | 0.1 |
| Sauropsida | Taxon | 51 | 39.6 |
| Sauropleura | Taxon | 8 | 0.5 |
| Sauroctonus | Taxon | 15 | 0.6 |
| Sarcopterygii | Taxon | 72 | 23.7 |
| Sanctacaris | Taxon | 14 | 0.9 |
| Salpidae | Taxon | 36 | 53.0 |
| Salpa | Taxon | 7 | 1.5 |
| Saharastega | Taxon | 8 | 0.1 |
| Saccorhytus Coronarius | Taxon | 6 | 1.0 |
| Sacabambaspis | Taxon | 17 | 2.3 |
| Ruthenosaurus | Taxon | 6 | 0.8 |
| Ruhuhucerberus | Taxon | 5 | 0.0 |
| Rubidgeinae | Taxon | 5 | 0.4 |
| Rubidgea | Taxon | 12 | 1.5 |
| Rossodus | Taxon | 3 | 0.0 |
| Romundina | Taxon | 4 | 0.4 |
| Robertia | Taxon | 11 | 0.8 |
| Ritterellidae | Taxon | 9 | 0.1 |
| Rhytidosteidae | Taxon | 10 | 0.0 |
| Rhynchonkos | Taxon | 8 | 0.9 |
| Rhizodus | Taxon | 15 | 1.1 |
| Rhizodontiformes | Taxon | 11 | 0.5 |
| Rhizodontidae | Taxon | 7 | 1.5 |
| Rhizangia | Taxon | 1 | 0.0 |
| Rhipidognathidae | Taxon | 2 | 0.0 |
| Rhipidistia | Taxon | 30 | 3.5 |
| Rhipaeosaurus | Taxon | 5 | 0.0 |
| Rhinopteraspis | Taxon | 4 | 0.1 |
| Rhinesuchus | Taxon | 12 | 13.4 |
| Rhinesuchoides | Taxon | 3 | 0.0 |
| Rhinesuchidae | Taxon | 15 | 0.8 |
| Rhineceps | Taxon | 4 | 0.2 |
| Rhenanida | Taxon | 9 | 0.3 |
| Rhachitomi | Taxon | 5 | 0.0 |
| Rhabdodermatidae | Taxon | 4 | 0.1 |
| Rhabdoderma | Taxon | 4 | 0.0 |