Eukaryotes (541)

 Prokaryotes (6109)

   Bacteria (5783)

   Archaea (326)

     Euryarchaeota (226)

       Methanocaldococcus (6)

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       Methanobacterium (10)

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       Geoglobus (2)

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       Methanoplasma (1)

       unclassified Thermoplasmata (1)

       Aciduliprofundum (2)

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       unclassified Haloarculaceae (1)

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       Natronolimnobius (3)

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       Natrialbaceae (1)

       unclassified Nanohaloarchaea (1)

     Crenarchaeota (71)

     Thaumarchaeota (18)

     Korarchaeota (1)

     Bathyarchaeota (2)

     Geothermarchaeota (1)

     Nanoarchaeota (2)

     Micrarchaeota (1)

     Lokiarchaeota (2)

     unclassified Archaea (2)