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Biota (Life)
Prokaryotes (Prokaryota)
Archaea (Archaebacteria)

Euryarchaeota (204219)

Children (15 direct children, 762 direct and indirect children):

Methanopyri (tree size 4)

Archaeoglobi (tree size 14)

Methanococci (tree size 33)

Methanomicrobia (tree size 160)

Halobacteria (tree size 377)
Haloarchaea

Thermoplasmata (tree size 25)

Thermococci (tree size 54)

Methanobacteria (tree size 75)

Aciduliprofundum (tree size 1)

Nanohaloarchaea

Hadesarchaea

Halomebacteria

Methanothermea

Methanonatronarchaeia (tree size 4)

Methanofastidiosa