Bacteria  >  Pseudomonadati  >  Pseudomonadota  >  Alphaproteobacteria

Family	Genus	Species
Acetobacteraceae	47	1094
Acidocellaceae	3	200
Aestuariivirgaceae	2	7
Afifellaceae	2	14
Ahrensiaceae	5	43
Alsobacteraceae	1	8
Amorphaceae	2	17
Anaplasmataceae	11	4291
Ancalomicrobiaceae	5	11
Aurantimonadaceae	9	292
Azospirillaceae	10	480
Bartonellaceae	2	1512
Beijerinckiaceae	6	92
Blastochloridaceae	1	12
Boseaceae	1	587
Brucellaceae	6	1679
Caedimonadaceae	2	5
Candidatus Deianiraeaceae	1	2
Candidatus Hepatincolaceae	1	6
Candidatus Marisalimonadaceae	1	1
Candidatus Midichloriaceae	13	73
Candidatus Nucleicultricaceae	1	2
Candidatus Paracaedibacteraceae	6	23
Candidatus Pelagibacteraceae	2	363
Candidatus Puniceispirillaceae	1	11
Caulobacteraceae	9	2500
Chelatococcaceae	3	72
Cohaesibacteraceae	1	38
Coralliovaceae	1	1
Devosiaceae	7	457
Dongiaceae	3	29
Elioraeaceae	1	8
Elsteraceae	0	9
Emcibacteraceae	4	11
Erythrobacteraceae	22	1209
Ferrovibrionaceae	0	1
Futianiaceae	1	1
Geminicoccaceae	9	66
Govaniaceae	1	1
Holosporaceae	11	43
Hyphomicrobiaceae	13	274
Hyphomonadaceae	8	227
Inquilinaceae	0	1
Iodidimonadaceae	1	8
Kaistiaceae	3	58
Kiloniellaceae	5	28
Kopriimonadaceae	0	2
Kordiimonadaceae	4	30
Lichenihabitantaceae	3	10
Mabikibacteraceae	1	1
Magnetospiraceae	0	2
Magnetospirillaceae	1	7
Magnetovibrionaceae	2	7
Maricaulaceae	9	103
Methylobacteriaceae	6	2662
Methylocystaceae	3	307
Methyloligellaceae	0	2
Methylopilaceae	4	34
Micropepsaceae	2	18
Minwuiaceae	1	8
Neomegalonemataceae	1	3
Nitrobacteraceae	9	10534
Notoacmeibacteraceae	2	8
Novispirillaceae	5	36
Oceanibaculaceae	1	9
Oleispirillaceae	1	1
Paracoccaceae	167	2914
Parvibaculaceae	6	43
Parvularculaceae	5	37
Phreatobacteraceae	2	10
Phyllobacteriaceae	22	4360
Pleomorphomonadaceae	7	54
Propylenellaceae	1	3
Reyranellaceae	1	17
Rhabdaerophilaceae	1	4
Rhizobiaceae	28	9338
Rhodobiaceae	1	36
Rhodoblastaceae	1	8
Rhodoligotrophaceae	1	8
Rhodomicrobiaceae	0	1
Rhodospirillaceae	30	510
Rhodothalassiaceae	1	12
Rhodovibrionaceae	7	64
Rickettsiaceae	13	1287
Robiginitomaculaceae	5	44
Roseiarcaceae	2	5
Roseiterribacteraceae	1	1
Roseobacteraceae	77	4128
Roseomonadaceae	15	333
Salaquimonadaceae	1	4
Salinarimonadaceae	2	14
Segnochrobactraceae	2	10
Shumkoniaceae	1	1
Sneathiellaceae	3	25
Sphingomonadaceae	29	6479
Sphingosinicellaceae	10	99
Stappiaceae	9	1170
Stellaceae	2	10
Temperatibacteraceae	2	3
Tepidamorphaceae	4	15
Terasakiellaceae	1	11
Terrirubraceae	1	1
Thalassobaculaceae	2	41
Thalassospiraceae	2	293
Xanthobacteraceae	7	502
Zavarziniaceae	1	6
Zymomonadaceae	1	6