Eukaryotes (1033)

 Prokaryotes (8850)

   Bacteria (8418)

   Archaea (432)

     Euryarchaeota (289)

       Methanocaldococcus (8)

       Methanotorris (1)

       Methanococcus (11)

       Methanothermococcus (1)

       Methanofervidicoccus (1)

       Methanothermobacter (10)

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       Methanobrevibacter (8)

       Methanobacterium (12)

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       Archaeoglobus (5)

       Ferroglobus (1)

       Geoglobus (2)

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       Palaeococcus (1)

       Methanosarcina (23)

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       Methanimicrococcus (2)

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       Halobaculum (6)

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       unclassified Haloferacales (1)

       Haloterrigena (3)

       Natrialba (1)

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       Natrinema (8)

       Natronobacterium (1)

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       Natronococcus (1)

       Halostagnicola (1)

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       Natrarchaeobaculum (4)

       Natronorubrum (3)

       unclassified Nanohaloarchaea (1)

       Methanoliparum (1)

       Methanonatronarchaeum (2)

     Thermoplasmatota (14)

     Thermoproteota (87)

     Nitrososphaerota (27)

     Korarchaeota (1)

     Bathyarchaeota (2)

     Nanoarchaeota (3)

     Micrarchaeota (3)

     Nanohaloarchaeota (1)

     Lokiarchaeota (3)

     unclassified Archaea (2)