| Label | Id | |
|---|---|---|
| Clostridium | http://purl.obolibrary.org/obo/NCBITaxon_1485 | |
| Clupeocephala | http://purl.obolibrary.org/obo/NCBITaxon_186625 | |
| Coccidia | http://purl.obolibrary.org/obo/NCBITaxon_5796 | |
| Coccidioides | http://purl.obolibrary.org/obo/NCBITaxon_5500 | |
| Coelopellini | http://purl.obolibrary.org/obo/NCBITaxon_169455 | |
| Coelopidae | http://purl.obolibrary.org/obo/NCBITaxon_169440 | |
| Coelopinae | http://purl.obolibrary.org/obo/NCBITaxon_169449 | |
| Coelurosauria | http://purl.obolibrary.org/obo/NCBITaxon_436492 | |
| Coloboma | http://purl.obolibrary.org/obo/HP_0000589 | |
| Coltivirus | http://purl.obolibrary.org/obo/NCBITaxon_10911 | |
| Comedocarcinoma | http://purl.obolibrary.org/obo/DOID_5670 | |
| Conoidasida | http://purl.obolibrary.org/obo/NCBITaxon_1280412 | |
| Coquillettidia | http://purl.obolibrary.org/obo/NCBITaxon_329110 | |
| Cornidovirineae | http://purl.obolibrary.org/obo/NCBITaxon_2499399 | |
| Coronaviridae | http://purl.obolibrary.org/obo/NCBITaxon_11118 |