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 Thermoproteales Zillig and Stetter 1982
        Count: [g] 2f;5g
           Family Thermofilaceae Burggraf et al. 1997
          Count: [g] 1g
             1 Genus Thermofilum Zillig and Gierl 1983
            Count: -