| Order | Family | Genus | Species |
|---|---|---|---|
| Candidatus Gimiplasmatales | 0 | 0 | 0 |
| Candidatus Halarchaeoplasmatales | 1 | 4 | 6 |
| Candidatus Lunaplasmatales | 0 | 1 | 1 |
| Candidatus Lutacidiplasmatales | 0 | 1 | 2 |
| Candidatus Poseidoniales | 2 | 2 | 346 |
| Candidatus Sysuiplasmatales | 1 | 1 | 4 |
| Candidatus Thermoprofundales | 0 | 0 | 28 |
| Candidatus Yaplasmales | 0 | 0 | 0 |
| Methanomassiliicoccales | 2 | 7 | 136 |
| Thermoplasmatales | 4 | 8 | 154 |