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