mammifères
| Nom | Type | Notoriété | Popularité |
|---|---|---|---|
| Coryphodon | Taxon | 20 | 1.3 |
| Coryphodontidae | Taxon | 11 | 0.1 |
| Cosoryx | Taxon | 5 | 0.4 |
| Cotentin | Concept | 3 | 3.7 |
| Cotswold | Concept | 6 | 0.2 |
| Cranioceras | Taxon | 5 | 0.0 |
| Creme Puff | Objet | 23 | 115.5 |
| Creodonta | Taxon | 40 | 6.6 |
| Crocidura | Taxon | 41 | 4.6 |
| Crocidura Arabica | Taxon | 24 | 0.4 |
| Crocidura Canariensis | Taxon | 24 | 0.1 |
| Crocidura Leucodon | Taxon | 36 | 2.7 |
| Crocidura Macarthuri | Taxon | 17 | 0.3 |
| Crocidura Pachyura | Taxon | 17 | 0.7 |
| Crocidura Pergrisea | Taxon | 20 | 0.4 |
| Crocidura Pullata | Taxon | 19 | 0.3 |
| Crocidura Russula | Taxon | 39 | 7.1 |
| Crocidura Sicula | Taxon | 24 | 0.4 |
| Crocidura Suaveolens | Taxon | 41 | 4.4 |
| Crocidura Thomensis | Taxon | 20 | 0.5 |
| Crocidura Trichura | Taxon | 24 | 1.1 |
| Crocidura Zimmermanni | Taxon | 23 | 0.3 |
| Crocidurinae | Taxon | 27 | 1.4 |
| Crocuta | Taxon | 15 | 6.2 |
| Cronopio | Taxon | 15 | 3.5 |
| Crossarchus | Taxon | 32 | 1.5 |
| Crossarchus Alexandri | Taxon | 30 | 0.5 |
| Crossarchus Ansorgei | Taxon | 30 | 1.3 |
| Cryptochloris | Taxon | 22 | 0.6 |
| Cryptochloris Wintoni | Taxon | 26 | 1.0 |
| Cryptoprocta | Taxon | 20 | 1.5 |
| Cryptoprocta Spelea | Taxon | 21 | 1.8 |
| Cryptotis | Taxon | 23 | 0.7 |
| Cryptotis Nelsoni | Taxon | 18 | 2.3 |
| Créature D'elmendorf | Objet | 4 | 6.9 |
| Curious Zelda | Objet | 1 | 0.7 |
| Cuy | Concept | 3 | 38.0 |
| Cyclopedidae | Taxon | 19 | 0.7 |
| Cyclopes | Taxon | 13 | 0.3 |
| Cyclopes Thomasi | Taxon | 6 | 0.0 |
| Cynocephalidae | Taxon | 12 | 0.3 |
| Cynodictis | Taxon | 15 | 0.8 |
| Cynogale Bennettii | Taxon | 40 | 0.1 |
| Cétacé | Taxon | 147 | 198.6 |
| D'man | Concept | 2 | 12.3 |
| Daeodon | Taxon | 23 | 10.5 |
| Dalesbred | Concept | 5 | 0.1 |
| Daman de Steppe | Taxon | 33 | 1.4 |
| Daman des Arbres | Taxon | 33 | 5.0 |
| Daman du Hoggar | Taxon | 1 | 1.1 |