Bacteria  >  Pseudomonadati  >  Pseudomonadota  >  Alphaproteobacteria

Family	Genus	Species
Acetobacteraceae	47	1096
Acidocellaceae	3	202
Aestuariispiraceae	5	18
Aestuariivirgaceae	2	7
Afifellaceae	2	16
Ahrensiaceae	5	43
Alsobacteraceae	1	8
Amorphaceae	2	18
Anaplasmataceae	11	4335
Ancalomicrobiaceae	5	11
Aquisediminimonadaceae	2	4
Aurantimonadaceae	10	299
Azospirillaceae	10	486
Bartonellaceae	2	1520
Beijerinckiaceae	7	93
Blastochloridaceae	1	13
Blastomonadaceae	1	70
Boseaceae	1	588
Brucellaceae	6	1687
Caedimonadaceae	2	5
Candidatus Deianiraeaceae	1	3
Candidatus Hepatincolaceae	1	6
Candidatus Levibacteraceae	1	1
Candidatus Marisalimonadaceae	1	1
Candidatus Midichloriaceae	13	74
Candidatus Nucleicultricaceae	1	3
Candidatus Paracaedibacteraceae	6	23
Candidatus Pelagibacteraceae	2	434
Candidatus Puniceispirillaceae	2	12
Candidatus Tenuibacteraceae	1	1
Caulobacteraceae	9	2518
Chelatococcaceae	3	76
Cohaesibacteraceae	1	38
Coralliovaceae	1	1
Devosiaceae	7	459
Dongiaceae	3	30
Elioraeaceae	1	8
Elsteraceae	0	9
Emcibacteraceae	4	11
Erythrobacteraceae	25	1236
Ferrovibrionaceae	0	1
Futianiaceae	1	1
Geminicoccaceae	10	66
Govanellaceae	1	1
Holosporaceae	11	43
Hyphomicrobiaceae	12	235
Hyphomonadaceae	8	229
Inquilinaceae	0	1
Iodidimonadaceae	1	8
Kaistiaceae	3	58
Kiloniellaceae	4	23
Kopriimonadaceae	0	2
Kordiimonadaceae	4	30
Lichenihabitantaceae	3	11
Mabikibacteraceae	1	1
Magnetospiraceae	0	2
Magnetospirillaceae	1	7
Magnetovibrionaceae	2	7
Maricaulaceae	9	104
Methylobacteriaceae	6	2679
Methylocystaceae	3	309
Methyloligellaceae	0	2
Methylopilaceae	4	34
Micropepsaceae	2	18
Minwuiaceae	1	8
Neomegalonemataceae	1	3
Nitrobacteraceae	12	10552
Notoacmeibacteraceae	2	8
Novispirillaceae	5	37
Oceanibaculaceae	1	9
Oleispirillaceae	1	1
Paracoccaceae	166	2943
Parasphingopyxidaceae	1	10
Parvibaculaceae	6	45
Parvularculaceae	4	36
Pedomonadaceae	1	3
Phreatobacteraceae	2	11
Phyllobacteriaceae	22	4393
Pleomorphomonadaceae	7	54
Propylenellaceae	1	3
Radicibacteraceae	1	1
Reyranellaceae	1	17
Rhabdaerophilaceae	1	4
Rhizobiaceae	31	9453
Rhizorhabdaceae	4	23
Rhodobiaceae	1	36
Rhodoblastaceae	1	8
Rhodoligotrophaceae	1	8
Rhodomicrobiaceae	0	1
Rhodospirillaceae	25	499
Rhodothalassiaceae	1	12
Rhodovibrionaceae	9	69
Rickettsiaceae	13	1299
Robiginitomaculaceae	5	44
Roseiarcaceae	2	5
Roseiterribacteraceae	1	1
Roseobacteraceae	80	4191
Roseomonadaceae	15	342
Salaquimonadaceae	1	4
Salinarimonadaceae	2	15
Segnochrobactraceae	2	11
Shumkoniaceae	1	1
Sneathiellaceae	3	26
Sphingobiaceae	1	621
Sphingomicrobiaceae	2	21
Sphingomonadaceae	19	5240
Sphingopyxidaceae	2	467
Sphingorhabdaceae	4	57
Sphingosinicellaceae	9	102
Stappiaceae	10	1176
Stellaceae	2	10
Temperatibacteraceae	2	3
Tepidamorphaceae	4	17
Terasakiellaceae	1	12
Terrirubraceae	1	1
Thalassobaculaceae	2	41
Thalassospiraceae	2	297
Xanthobacteraceae	8	493
Zavarziniaceae	1	6
Zymomonadaceae	1	6