crustacés
| Nom | Type | Notoriété | Popularité |
|---|---|---|---|
| Dalletastacus | Taxon | 3 | 0.2 |
| Daldorfia | Taxon | 8 | 0.0 |
| Dairoides | Taxon | 6 | 0.1 |
| Dairoidea | Taxon | 10 | 0.1 |
| Daira | Taxon | 7 | 0.3 |
| Dacryopilumnus | Taxon | 7 | 0.2 |
| Cytheroidea | Taxon | 7 | 0.1 |
| Cytherocopina | Taxon | 6 | 0.1 |
| Cytherideis | Taxon | 5 | 0.0 |
| Cytheridae | Taxon | 13 | 0.0 |
| Cythereis | Taxon | 6 | 0.0 |
| Cythere | Taxon | 6 | 0.1 |
| Cystomatochilina | Taxon | 3 | 0.0 |
| Cyprilepadiformes | Taxon | 1 | 0.3 |
| Cypridoidea | Taxon | 9 | 0.2 |
| Cypridocopina | Taxon | 8 | 0.2 |
| Cypridinae | Taxon | 4 | 0.2 |
| Cypridina | Taxon | 8 | 0.2 |
| Cyprididae | Taxon | 11 | 0.2 |
| Cypricercus Elegans | Taxon | 3 | 0.0 |
| Cypricercus | Taxon | 9 | 0.0 |
| Cypricercini | Taxon | 2 | 0.0 |
| Cypricercinae | Taxon | 4 | 0.2 |
| Cymothoidae | Taxon | 21 | 2.5 |
| Cymothoa Exigua | Taxon | 34 | 32.6 |
| Cymothoa Elegans | Taxon | 10 | 0.2 |
| Cymothoa | Taxon | 15 | 0.6 |
| Cymonomidae | Taxon | 11 | 0.0 |
| Cymo | Taxon | 7 | 0.0 |
| Cylisticidae | Taxon | 9 | 0.0 |
| Cyclops Elegans | Taxon | 4 | 0.0 |
| Cyclops | Taxon | 23 | 15.4 |
| Cyclopoida | Taxon | 31 | 1.0 |
| Cyclopinodes Elegans | Taxon | 7 | 0.0 |
| Cyclopinodes | Taxon | 7 | 0.0 |
| Cyclopinidae | Taxon | 11 | 0.0 |
| Cyclopidae | Taxon | 17 | 0.8 |
| Cycloes | Taxon | 10 | 0.0 |
| Cyclodorippoidea | Taxon | 11 | 0.1 |
| Cyclodorippidae | Taxon | 11 | 0.2 |
| Cyclodius | Taxon | 5 | 0.4 |
| Cyclocoeloma Tuberculatum | Taxon | 5 | 0.4 |
| Cycleryon | Taxon | 3 | 0.0 |
| Cyclaspis Elegans | Taxon | 8 | 0.0 |
| Cyclaspis | Taxon | 7 | 0.0 |
| Cyanagraea Praedator | Taxon | 6 | 0.0 |
| Cyanagraea | Taxon | 6 | 0.0 |
| Cyamus Ovalis | Taxon | 5 | 0.6 |
| Cyamus Catodontis | Taxon | 5 | 0.5 |
| Cyamidae | Taxon | 27 | 8.6 |