| Species | RefIntense Num | Refseq Num | Source |
|---|---|---|---|
| Clostridium perfringens | 8 | 400 | HMP/MGYG |
| Clostridium saudiense | 1 | 9 | MGYG |
| Clostridium senegalense | 1 | 4 | MGYG |
| Clostridium septicum | 1 | 6 | MGYG |
| Clostridium sp. 7_2_43FAA | 1 | 1 | HMP |
| Clostridium sp. L2-50 | 1 | 1 | HMP |
| Clostridium sp. M62/1 | 1 | 2 | HMP |
| Clostridium sporogenes | 1 | 118 | HMP |
| Clostridium tepidum | 1 | 4 | MGYG |
| Clostridium tertium | 1 | 11 | MGYG |