| Label | Id | |
|---|---|---|
| Collonista | 335744 | |
| Colosius | 1323574 | |
| Conamomum | 2135799 | |
| Conorhynchus | 1335706 | |
| Cookia | 335778 | |
| Coptosapelta | 83579 | |
| Cordylospasta | 2493570 | |
| Coronamoeba | 2977357 | |
| Cremastosperma | 235719 | |
| Crenubiotus | 2778357 | |
| Cryptogonium | 324357 | |
| Cucullanidae | 435719 | |
| Cyanauges | 343577 | |
| Cyclocarpa | 135795 | |
| Cysteodemus | 2493573 |