| Class | Order | Family | Genus | Species |
|---|---|---|---|---|
| Acidithiobacillia | 1 | 2 | 3 | 158 |
| Alphaproteobacteria | 31 | 120 | 862 | 70572 |
| Betaproteobacteria | 7 | 33 | 303 | 30056 |
| Candidatius Mariprofundia | 1 | 1 | 2 | 104 |
| Candidatus Lambdaproteobacteria | 0 | 0 | 0 | 6 |
| Candidatus Muproteobacteria | 0 | 0 | 0 | 15 |
| Gammaproteobacteria | 51 | 130 | 771 | 127837 |
| Hydrogenophilia | 1 | 1 | 3 | 101 |
| Magnetococcia | 1 | 2 | 4 | 68 |