Eukaryotes (190)

 Prokaryotes (2477)

   Bacteria (2324)

   Archaea (153)

     Euryarchaeota (98)

     Crenarchaeota (47)

       Aeropyrum (1)

       Staphylothermus (2)

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       Desulfurococcus (3)

       Thermosphaera (1)

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       Pyrolobus (1)

       Sulfolobus (16)

       Metallosphaera (2)

       Acidianus (1)

       Pyrobaculum (6)

       Caldivirga (1)

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       Vulcanisaeta (2)

       Thermofilum (1)

       Acidilobus (1)

       Caldisphaera (1)

       Fervidicoccus (1)

     Thaumarchaeota (5)

     Nanoarchaeota (1)

     Korarchaeota (1)

     Unclassified (1)