| Species | RefIntense Num | Refseq Num | Source |
|---|---|---|---|
| Cronobacter turicensis | 1 | 12 | HMP |
| Cryptobacterium curtum | 1 | 1 | HMP |
| Cupriavidus metallidurans | 1 | 15 | MGYG |
| Cupriavidus necator | 1 | 14 | HMP |
| Cupriavidus pinatubonensis | 1 | 3 | HMP |
| Cutibacterium acnes | 5 | 372 | HMP/MGYG |
| Cutibacterium avidum | 1 | 40 | MGYG |
| Cutibacterium granulosum | 1 | 4 | MGYG |
| Cyanobium sp. PCC 7001 | 1 | 1 | HMP |
| Cylindrospermopsis raciborskii | 1 | 26 | HMP |