FamilyOscillospiraceae
| Taxon: | Rank: |
| Acetanaerobacterium | genus |
| Acetivibrio | genus |
| Acutalibacter | genus |
| Agathobaculum | genus |
| Anaerobacterium | genus |
| Anaerofilum | genus |
| Anaerotruncus | genus |
| Butyricicoccus | genus |
| Candidatus Vesiculincola | genus |
| Caproiciproducens | genus |
| Cellulosibacter | genus |
| Dysosmobacter | genus |
| Ercella | genus |
| Ethanoligenens | genus |
| Faecalibacterium | genus |
| Fastidiosipila | genus |
| Flavonifractor | genus |
| Fournierella | genus |
| Gemmiger | genus |
| Harryflintia | genus |
| Herbivorax | genus |
| Hungateiclostridium | genus |
| Hydrogenoanaerobacterium | genus |
| Intestinimonas | genus |
| Lawsonibacter | genus |
| Mageeibacillus | genus |
| Marasmitruncus | genus |
| Marseillibacter | genus |
| Monoglobus | genus |
| Neglecta | genus |
| Neglectibacter | genus |
| Oscillibacter | genus |
| Oscillospira | genus |
| Papillibacter | genus |
| Petroclostridium | genus |
| Pseudobacteroides | genus |
| Pseudoflavonifractor | genus |
| Ruminiclostridium | genus |
| Ruminococcus | genus |
| Ruthenibacterium | genus |
| Saccharofermentans | genus |
| Sporobacter | genus |
| Subdoligranulum | genus |
| Thermoclostridium | genus |