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Biota (Life)
Prokaryotes (Prokaryota)
Bacteria (Bacterium)
Negibacteria (Rjheekñndd)
Proteobacteria (Purple bacteria & relatives)

Betaproteobacteria (136674)

Children (22 direct children, 1528 direct and indirect children):

Burkholderiales (tree size 998)

Nitrosomonadales (tree size 120)

Hydrogenophilales (tree size 33)

Candidatus accumulibacter (tree size 1)
Accumulibacter

Neisseriales (tree size 193)

Gallionellales (tree size 8)

Methylophilales (tree size 29)

Rhodocyclales (tree size 98)

Procabacteriales (tree size 3)

Eleftheria (tree size 1)

Nasuia (tree size 1)

Inhella (tree size 2)

Aquincola (tree size 2)

Chitinivorax (tree size 1)

Sulfuricellales (tree size 10)

Ferrovales (tree size 3)

Ferritrophicales (tree size 3)

Denitrobacter

Imtechium

Kinetoplastibacterium

Proteinimicrobium

Ultramicrobacter