| Label | Id | |
|---|---|---|
| Ceratoperidinium | 1389942 | |
| Cerococcidae | 249422 | |
| Cheteoscelis | 942371 | |
| Chinese-bellflower | 94286 | |
| Chlorocryptus | 494201 | |
| Chlorodesmis | 189429 | |
| Chloropelix | 706942 | |
| Chorinaeus | 494203 | |
| Chtonobdella | 60942 | |
| Cicciana | 2269425 | |
| Ciccus | 2269427 | |
| Cidaphus | 494205 | |
| Ciidae | 219428 | |
| Collops | 219423 | |
| Conchaspididae | 249423 |