| Phylum | Class | Order | Family | Genus | Species |
|---|---|---|---|---|---|
| Candidatus Aenigmatarchaeota | 1 | 1 | 1 | 1 | 35 |
| Candidatus Altarchaeota | 1 | 1 | 1 | 1 | 25 |
| Candidatus Huberarchaeota | 1 | 1 | 1 | 1 | 3 |
| Candidatus Iainarchaeota | 1 | 1 | 1 | 2 | 18 |
| Candidatus Nanohalarchaeota | 1 | 1 | 3 | 6 | 16 |
| Candidatus Parvarchaeota | 0 | 0 | 1 | 3 | 31 |
| Candidatus Undinarchaeota | 1 | 2 | 2 | 2 | 10 |
| Candidatus Woesearchaeota | 0 | 0 | 0 | 0 | 39 |
| Microcaldota | 2 | 7 | 8 | 9 | 60 |
| Nanobdellota | 2 | 4 | 6 | 8 | 36 |