Rhodospirillales

Purple sulfur bacteria
Scientific classification
Domain:	Bacteria
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.^[1]

Purple sulfur bacteria
Scientific classification
Domain:	Bacteria
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