Biota (Life)
Prokaryotes (Prokaryota)
Bacteria (Bacterium)
Negibacteria (Rjheekñndd)
Proteobacteria (Purple bacteria & relatives)
Betaproteobacteria
Nitrosomonadales
Nitrosomonadaceae
Nitrosomonas
Nitrosomonas europaea
Nitrosomonas europaea atcc 19718 (21398290)