| Class | Order | Family | Genus | Species |
|---|---|---|---|---|
| Acidithiobacillia | 1 | 2 | 3 | 157 |
| Alphaproteobacteria | 30 | 112 | 819 | 67530 |
| Betaproteobacteria | 7 | 33 | 291 | 28870 |
| Candidatius Mariprofundia | 1 | 1 | 2 | 99 |
| Candidatus Lambdaproteobacteria | 0 | 0 | 0 | 6 |
| Candidatus Muproteobacteria | 0 | 0 | 0 | 15 |
| Gammaproteobacteria | 48 | 128 | 759 | 121147 |
| Hydrogenophilia | 1 | 1 | 3 | 99 |
| Magnetococcia | 1 | 2 | 4 | 64 |