procaryotes
Count: -
   Domain Archaea Woese et al. 1990
  Count: [g] 2p;8c;12o;20f;68g
     Phylum Crenarchaeota Garrity and Holt 2001
    Count: [g] 1c;3o;5f;22g
       Class Thermoprotei Reysenbach 2001 nom. inval. see Class Thermoprotei Reysenbach 2002
      Count: [g] 3o;5f;22g
         Order Desulfurococcales Huber and Stetter 2001 nom. inval. see Order Desulfurococcales Huber and Stetter 2002
        Count: [g] 2f;11g
           Family Pyrodictiaceae Burggraf et al. 1997
          Count: [g] 3g
             Genus Pyrodictium Stetter et al. 1984
            Count: -