GenusRuminiclostridium
| Taxon: | Rank: |
| Ruminiclostridium cellobioparum | species |
| Ruminiclostridium cellulolyticum | species |
| Ruminiclostridium hungatei | species |
| Ruminiclostridium josui | species |
| Ruminiclostridium papyrosolvens | species |
| Ruminiclostridium sufflavum | species |