Biota (Life)
Prokaryotes (Prokaryota)
Bacteria (Bacterium)
Negibacteria (Rjheekñndd)
Proteobacteria (Purple bacteria & relatives)
Betaproteobacteria
Rhodocyclales
Rhodocyclaceae
Children (1 direct children, 2 direct and indirect children):
Aromatoleum aromaticum
(tree size 1)