procaryotes
Count: -
   Domain Archaea Woese et al. 1990
  Count: [g] 2p;8c;12o;20f;68g
     Phylum Euryarchaeota Garrity and Holt 2001
    Count: [g] 7c;9o;15f;46g
       Class Methanobacteria Boone 2001 nom. inval. see Class Methanobacteria Boone 2002
      Count: [g] 1o;2f;5g
         Class Methanobacteria Boone 2001 nom. inval. see Class Methanobacteria Boone 2002
        Count: [g] 1o;2f;5g
           Order Methanobacteriales Balch and Wolfe 1981
          Count: -
             Family Methanothermaceae Stetter 1982
            Count: [g] 1g
               Genus Methanothermus Stetter 1982
              Count: -