| [21772] Cavoliniidae | Appellations de Taxon | 21772 |
| [21773] Cavoliniinae | Appellations de Taxon | 21773 |
| [21774] Cavolinioidea | Appellations de Taxon | 21774 |
| [21775] Cephalaspidea | Appellations de Taxon | 21775 |
| [21776] Cerithioidea | Appellations de Taxon | 21776 |
| [21777] Cerodrillia | Appellations de Taxon | 21777 |
| [21778] Cerodrillia thea | Appellations de Taxon | 21778 |
| [21779] Chalcopteryx | Appellations de Taxon | 21779 |
| [2178] Mugilidae | Appellations de Taxon | 2178 |
| [21780] Chalcopteryx seabrai | Appellations de Taxon | 21780 |
| [21781] Chama | Appellations de Taxon | 21781 |
| [21782] Chama macerophylla | Appellations de Taxon | 21782 |
| [21783] Chama sinuosa | Appellations de Taxon | 21783 |
| [21784] Chamoidea | Appellations de Taxon | 21784 |
| [21785] Chamidae | Appellations de Taxon | 21785 |
| [21786] Charonia | Appellations de Taxon | 21786 |
| [21787] Charonia variegata | Appellations de Taxon | 21787 |
| [21788] Chicoreus | Appellations de Taxon | 21788 |
| [21789] Chicoreus brevifrons | Appellations de Taxon | 21789 |
| [2179] Chelon | Appellations de Taxon | 2179 |
| [21790] Chione | Appellations de Taxon | 21790 |
| [21791] Chione cancellata | Appellations de Taxon | 21791 |
| [21792] Chioninae | Appellations de Taxon | 21792 |
| [21793] Chloronia | Appellations de Taxon | 21793 |
| [21794] Chloronia hieroglyphica | Appellations de Taxon | 21794 |
| [21795] Circomphalus | Appellations de Taxon | 21795 |
| [21796] Circomphalus strigillinus | Appellations de Taxon | 21796 |
| [21797] Clathrodrillia | Appellations de Taxon | 21797 |
| [21798] Clathrodrillia dautzenbergi | Appellations de Taxon | 21798 |
| [21799] Clathrodrillia gibbosa | Appellations de Taxon | 21799 |
| [218] Hydropsyche pellucidula | Appellations de Taxon | 218 |
| [2180] Chelon labrosus | Appellations de Taxon | 2180 |
| [21800] Codakia | Appellations de Taxon | 21800 |
| [21801] Codakia orbicularis | Appellations de Taxon | 21801 |
| [21802] Coenagrioninae | Appellations de Taxon | 21802 |
| [21803] Coenagrionoidea | Appellations de Taxon | 21803 |
| [21804] Coleopterida | Appellations de Taxon | 21804 |
| [21805] Columbellidae | Appellations de Taxon | 21805 |
| [21806] Compsodrillia | Appellations de Taxon | 21806 |
| [21807] Compsodrillia eucosmia | Appellations de Taxon | 21807 |
| [21808] Condylognatha | Appellations de Taxon | 21808 |
| [21809] Conidae | Appellations de Taxon | 21809 |
| [2181] Liza | Appellations de Taxon | 2181 |
| [21810] Conoidea | Appellations de Taxon | 21810 |
| [21811] Conus | Appellations de Taxon | 21811 |
| [21812] Conus austini | Appellations de Taxon | 21812 |
| [21813] Conus bajanensis | Appellations de Taxon | 21813 |
| [21814] Conus cancellatus | Appellations de Taxon | 21814 |
| [21815] Conus capricorni | Appellations de Taxon | 21815 |
| [21816] Conus centurio | Appellations de Taxon | 21816 |