| Phylum | Class | Order | Family | Genus | Species | RefIntense Num | Refseq Num | Source |
|---|---|---|---|---|---|---|---|---|
| Proteobacteria | Alphaproteobacteria | Hyphomicrobiales | Nitrobacteraceae | Nitrobacter | Nitrobacter winogradskyi | 1 | 3 | HMP |
| Proteobacteria | Gammaproteobacteria | Chromatiales | Ectothiorhodospiraceae | Nitrococcus | Nitrococcus mobilis | 1 | 1 | HMP |
| Proteobacteria | Gammaproteobacteria | Chromatiales | Chromatiaceae | Nitrosococcus | Nitrosococcus halophilus | 1 | 1 | HMP |
| Proteobacteria | Gammaproteobacteria | Chromatiales | Chromatiaceae | Nitrosococcus | Nitrosococcus watsonii | 1 | 1 | HMP |
| Proteobacteria | Betaproteobacteria | Nitrosomonadales | Nitrosomonadaceae | Nitrosomonas | Nitrosomonas europaea | 1 | 4 | HMP |
| Proteobacteria | Betaproteobacteria | Nitrosomonadales | Nitrosomonadaceae | Nitrosomonas | Nitrosomonas eutropha | 1 | 6 | HMP |
| Proteobacteria | Betaproteobacteria | Nitrosomonadales | Nitrosomonadaceae | Nitrosospira | Nitrosospira multiformis | 1 | 8 | HMP |
| Nitrospirae | Nitrospira | Nitrospirales | Nitrospiraceae | Nitrospira | Nitrospira defluvii | 1 | 1 | HMP |
| Actinobacteria | Actinomycetia | Corynebacteriales | Nocardiaceae | Nocardia | Nocardia farcinica | 1 | 42 | HMP |
| Actinobacteria | Actinomycetia | Propionibacteriales | Nocardioidaceae | Nocardioides | Nocardioides sp. JS614 | 1 | 1 | HMP |