| Label | Id | |
|---|---|---|
| Cerosterna | 583742 | |
| Channoidei | 50374 | |
| Charadrahyla | 374080 | |
| Cheilanthes | 37456 | |
| Chinese-lantern | 93741 | |
| Chirgus | 2233740 | |
| Chloroperlidae | 143748 | |
| Chordariopsis | 553374 | |
| Chorisoneura | 2283748 | |
| Chyptodes | 583744 | |
| Cincloramphus | 237417 | |
| Cinclorhamphus | 237417 | |
| Cirrhoscyllium | 1213743 | |
| Cladorrhinum | 223374 | |
| Claussenia | 1637468 |