| Label | Id | |
|---|---|---|
| Candidimonas | 1074468 | |
| Catathyridium | 329468 | |
| Cathaya | 64685 | |
| Catoria | 704684 | |
| Cephalocteinae | 468274 | |
| Cephalocteninae | 468274 | |
| Cerasicoccus | 468938 | |
| Ceratonyx | 704685 | |
| Ceraturgus | 468703 | |
| Cercicladia | 1688468 | |
| Cerotainia | 468705 | |
| Chaetosira | 1544689 | |
| Charca | 704686 | |
| Chavania | 244468 | |
| Cheilothela | 94689 |