| Species | RefIntense Num | Refseq Num | Source |
|---|---|---|---|
| Caldanaerobacter subterraneus | 2 | 5 | HMP |
| Caldicellulosiruptor bescii | 1 | 18 | HMP |
| Caldicellulosiruptor saccharolyticus | 1 | 1 | HMP |
| Caminibacter mediatlanticus | 1 | 2 | HMP |
| Campylobacter coli | 5 | 1316 | HMP/MGYG |
| Campylobacter concisus | 14 | 237 | HMP/MGYG |
| Campylobacter curvus | 2 | 16 | HMP/MGYG |
| Campylobacter fetus | 2 | 97 | MGYG |
| Campylobacter gracilis | 1 | 4 | HMP |
| Campylobacter hominis | 2 | 4 | HMP/MGYG |