Eukaryotes (1199)

 Prokaryotes (9808)

   Bacteria (9359)

   Archaea (449)

     Methanobacteriota (297)

     Thermoplasmatota (15)

     Thermoproteota (91)

       Aeropyrum (2)

       Staphylothermus (2)

       Ignicoccus (3)

       Desulfurococcus (3)

       Thermosphaera (2)

       Ignisphaera (1)

       Thermogladius (1)

       Hyperthermus (1)

       Pyrolobus (1)

       Pyrodictium (2)

       Pyrofollis (1)

       Sulfurisphaera (3)

       Saccharolobus (19)

       Sulfolobus (6)

       Metallosphaera (7)

       Acidianus (6)

       Sulfodiicoccus (1)

       Stygiolobus (2)

       Sulfuracidifex (2)

       unclassified Sulfolobales (1)

       Pyrobaculum (8)

       Caldivirga (1)

       Thermoproteus (2)

       Vulcanisaeta (3)

       Thermofilum (3)

       Infirmifilum (2)

       Acidilobus (2)

       Caldisphaera (1)

       Fervidicoccus (1)

       Korarchaeum (1)

       Methanosuratincola (1)

     Nitrososphaerota (27)

     Bathyarchaeota (2)

     Nanobdellota (3)

     Micrarchaeota (4)

     Nanohalarchaeota (3)

     Woesearchaeota (1)

     Promethearchaeota (3)

     Odinarchaeota (1)

     unclassified Archaea (2)