| Phylum | Class | Order | Family | Genus | Species/Subspecies |
|---|
| No. of matching species/subspecies etc: 13 | Id | No. of basepairs | 16S rRNA ACC-No | rRNA op. | Updated |
|---|---|---|---|---|---|
| Clostridium botulinum, group III | 24 | 2 773 157 | L37590 | 10 | 2013-03-11 |
| Clostridium difficile | 26 | 4 290 252 | AB075770 | 11 | 2010-12-29 |
| Clostridium perfringens | 29 | 3 031 430 | AB075767 | 10 | 2011-01-03 |
| Clostridium tetani | 32 | 2 799 251 | X74770 | 6 | 2013-02-20 |
| Clostridium botulinum, group I | 202 | 3 863 450 | L37585 | 8 | 2013-03-10 |
| Clostridium botulinum, group II | 203 | 3 659 644 | L37592 | 11 | 2013-03-10 |
| Clostridium chauvoei | 25 | U51843 | 2012-11-26 | ||
| Clostridium novyi | 27 | 2 547 720 | L37594 | 10 | 2011-01-03 |
| Clostridium piliforme | 28 | L07416 | 2013-02-28 | ||
| Clostridium septicum | 30 | U59278 | 2011-01-07 | ||
| Clostridium sordellii | 31 | AB075771 | 2011-01-07 | ||
| Clostridium haemolyticum | 162 | AB037910 | 2010-12-29 | ||
| Clostridium botulinum, group IV | 204 | X68316 | 2013-03-11 |
