fossiles
| Nom | Type | Notoriété | Popularité |
|---|---|---|---|
| Cotylorhynchus | Taxon | 23 | 1.8 |
| Craniata | Taxon | 45 | 2.1 |
| Crassigyrinus | Taxon | 17 | 1.2 |
| Cretapsara | Taxon | 3 | 0.0 |
| Cretapsara Athanata | Taxon | 3 | 0.0 |
| Cretatriacanthidae | Taxon | 2 | 0.0 |
| Cribrospongia | Taxon | 4 | 0.0 |
| Crossopterygii | Taxon | 9 | 2.4 |
| Crossotelos | Taxon | 6 | 0.0 |
| Cryobatrachus | Taxon | 5 | 0.1 |
| Cryptodontidae | Taxon | 4 | 0.0 |
| Cryptotaxidae | Taxon | 2 | 0.0 |
| Cryptovenator | Taxon | 14 | 0.2 |
| Créature du Zuiyo-maru | Structure Anatomique | 11 | 9.6 |
| Ctenerpeton | Taxon | 4 | 0.0 |
| Ctenognathodus | Taxon | 2 | 0.0 |
| Ctenorhabdotus Capulus | Taxon | 7 | 0.3 |
| Ctenorhachis | Taxon | 10 | 0.2 |
| Ctenospondylus | Taxon | 18 | 0.2 |
| Ctenostreon Rugosum | Taxon | 1 | 0.2 |
| Ctenurella | Taxon | 7 | 0.2 |
| Culeolus | Taxon | 7 | 0.0 |
| Culeolus Elegans | Taxon | 7 | 0.0 |
| Culicia Parasita | Taxon | 1 | 0.0 |
| Cupulospongia | Taxon | 3 | 0.0 |
| Curtognathus | Taxon | 3 | 0.0 |
| Cutleria Wilmarthi | Taxon | 10 | 0.2 |
| Cyclostomi | Taxon | 54 | 3.1 |
| Cyclotosaurus | Taxon | 13 | 0.4 |
| Cynariops | Taxon | 5 | 0.0 |
| Cynodontia | Taxon | 38 | 13.7 |
| Cynodontosuchus | Taxon | 6 | 0.2 |
| Cynognathia | Taxon | 9 | 0.3 |
| Cynognathus | Taxon | 40 | 5.2 |
| Cyonosaurus | Taxon | 11 | 12.3 |
| Cypridodella | Taxon | 2 | 0.0 |
| Cystodytes | Taxon | 8 | 0.1 |
| Cœlacanthe | Taxon | 59 | 63.0 |
| Dakoticancridae | Taxon | 5 | 0.4 |
| Dakoticancroidea | Taxon | 7 | 0.2 |
| Dame de Bonifacio | Concept | 4 | 0.4 |
| Daohugopilio Sheari | Taxon | 1 | 0.0 |
| Dasyceps | Taxon | 8 | 0.1 |
| Datheosaurus | Taxon | 9 | 0.5 |
| Declinognathodus | Taxon | 2 | 0.1 |
| Deltasaurus | Taxon | 5 | 0.2 |
| Dendrerpeton | Taxon | 13 | 0.3 |
| Dendrodoa | Taxon | 9 | 0.0 |
| Dendrograptidae | Taxon | 5 | 0.0 |
| Dendroidea | Taxon | 5 | 0.4 |