Bacteria  >  Pseudomonadati  >  Pseudomonadota  >  Betaproteobacteria  >  Nitrosomonadales

Family	Genus	Species
Gallionellaceae	6	99
Methylophilaceae	8	388
Nitrosomonadaceae	3	719
Spirillaceae	1	13
Sterolibacteriaceae	11	62
Sulfuricellaceae	4	22
Thiobacillaceae	4	96
Usitatibacteraceae	1	6