Rhodospirillales

Purple sulfur bacteria
Scientific classification
Domain:	Bacteria
Kingdom:	Pseudomonadati
Phylum:	Pseudomonadota
Class:	Alphaproteobacteria
Order:	Rhodospirillales; Pfennig and Trüper 1971 (Approved Lists 1980)
Families
	Acetobacteraceae (ex Henrici 1939) Gillis and De Ley 1980; Azospirillaceae Hördt et al. 2020; Geminicoccaceae Proença et al. 2018; Kiloniellaceae Wiese et al. 2009; Reyranellaceae Hördt et al. 2020; Rhodospirillaceae Pfennig and Trüper 1971 (Approved Lists 1980); Rhodovibrionaceae Hördt et al. 2020; Stellaceae Hördt et al. 2020; Terasakiellaceae Hördt et al. 2020; Thalassobaculaceae Hördt et al. 2020; Thalassospiraceae Hördt et al. 2020; Zavarziniaceae Hördt et al. 2020;
Synonyms
	Kiloniellales Wiese et al. 2009;

The Rhodospirillales are an order of Pseudomonadota.