Related how?

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

Desulfobacterales (1201017)

Children (3 direct children, 121 direct and indirect children):

Desulfobacteraceae (tree size 89)

Desulfobulbaceae (tree size 28)

Desulfoarculaceae (tree size 1)