Domain
| Taxon: | Rank: |
| Actinacidiphilus | genus |
| Anaeroflexus | genus |
| Archaeosphaeroides | genus |
| Bacillati | kingdom |
| Bacterium | genus |
| CPR group | superphylum |
| Candidatus Babelota | phylum |
| Dormibacterota | phylum |
| Eubacteria | subkingdom |
| Fusobacteriati | kingdom |
| Methylomirabilota | phylum |
| Nanobacterium | genus |
| Negibacteria | subkingdom |
| Neonegibacteria | subkingdom |
| Patescibacteriota | phylum |
| Pseudogluconobacter | genus |
| Pseudomonadati | kingdom |
| Ruminobacillus | genus |
| Saccharimonadota | phylum |
| Smegmaraptor | genus |
| Sphingobacteria | phylum |
| Streptofusia | genus |
| Terrabacteria | superphylum |
| Thermotogati | kingdom |
| Vulcanimicrobiota | phylum |