Bacteria  >  Pseudomonadati  >  Pseudomonadota  >  Alphaproteobacteria  >  Rhodospirillales

Family	Genus	Species
Azospirillaceae	10	480
Candidatus Hepatincolaceae	1	6
Dongiaceae	3	29
Kiloniellaceae	5	28
Magnetospiraceae	0	2
Magnetospirillaceae	1	7
Magnetovibrionaceae	2	7
Novispirillaceae	5	36
Oceanibaculaceae	1	9
Oleispirillaceae	1	1
Rhodospirillaceae	30	510
Rhodovibrionaceae	7	64
Roseiterribacteraceae	1	1
Shumkoniaceae	1	1
Stellaceae	2	10
Terasakiellaceae	1	11
Thalassobaculaceae	2	41
Thalassospiraceae	2	293
Zavarziniaceae	1	6