Related how?

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

Spirillum (69598)

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

Spirillum minus

Spirillum winogradskyi

Spirillum volutans