| Genus | Species Num | Strain Num | SOURCE |
|---|---|---|---|
| Caldicellulosiruptor | 2 | 2 | HMP |
| Caminibacter | 1 | 1 | HMP |
| Campylobacter | 14 | 42 | HMP/MGYG |
| Candidatus Amoebophilus | 1 | 1 | HMP |
| Candidatus Atelocyanobacterium | 1 | 1 | HMP |
| Candidatus Blochmannia | 1 | 1 | HMP |
| Candidatus Carsonella | 1 | 1 | HMP |
| Candidatus Cloacimonas | 1 | 1 | HMP |
| Candidatus Desulforudis | 1 | 1 | HMP |
| Candidatus Endoriftia | 1 | 1 | HMP |