Bacteria  >  Pseudomonadati  >  Pseudomonadota  >  Betaproteobacteria

Family	Genus	Species
Alcaligenaceae	36	2696
Aquaspirillaceae	4	75
Azonexaceae	4	139
Burkholderiaceae	31	10650
Candidatus Eutrophomonadaceae	0	0
Candidatus Eutrophovitaceae	0	0
Candidatus Procaibacteraceae	1	11
Casimicrobiaceae	2	7
Chitinibacteraceae	14	187
Chitinimonadaceae	0	3
Chromobacteriaceae	6	650
Comamonadaceae	44	5498
Ferritrophicaceae	1	3
Ferrovaceae	1	31
Fluviibacteraceae	1	3
Gallionellaceae	6	114
Leeiaceae	1	6
Methylophilaceae	9	404
Neisseriaceae	19	955
Nitrosomonadaceae	3	732
Oxalobacteraceae	28	3098
Rhodocyclaceae	12	383
Saeziaceae	1	3
Sphaerotilaceae	18	1005
Spirillaceae	1	13
Sterolibacteriaceae	11	73
Sulfuricellaceae	4	23
Sutterellaceae	7	85
Thiobacillaceae	4	98
Thiobacteraceae	1	7
Usitatibacteraceae	1	7
Zoogloeaceae	11	374
mealybug endosymbionts	0	4