After “The Tree of Life

More detailed tree from NCBI (National Center for Biotechnology Information) [Special thanks to Niels Hartmann for the collecting effort.]

<==o Archaea (arkeootit; archbacterians, archeans)
   |-- Korarchaeota
   |--o Crenarchaeota
   |  |--+-- Thermofilum
   |  |  `--+-- Pyrobaculum
   |  |     `-- Thermoproteus
   |  `--+--+-- Sulfolobus
   |     |  `--+-- Metallosphaera
   |     |     `-- Acidianus
   |     `--+--+-- Pyrolobus
   |        |  `--+-- Hyperthermus
   |        |     `-- Pyrodictium
   |        `--+--+-- Thermodiscus
   |           |  `-- Igneococcus
   |           `--+-- Staphylothermus
   |              `--+-- Desulfurococcus
   |                 `-- Thermosphaera
   `--o Euryarchaeota
      |-- Thermococcales
      |-- Thermoplasmales
      |-- Archeoglobales
      |-- Methanopyrales
      |-- Methanococcales
      |-- Methanobacteriales
      `--+-- Methanomicrobiales
         `-- Halobacteriales 

Reference(s):