Palæos:		Prokaryotes
KINGDOMS OF LIFE		Archaea

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Prokaryotes

Archaea

Eubacteria

Eukaryotes

Plantae

Fungi

Animalia

<==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):

--iNet: Tree of Life: http://phylogeny.arizona.edu/tree/phylogeny.html