Rhodospirillales

Purple sulfur bacteria
Scientific classification
Kingdom: Bacteria
Phylum: Proteobacteria
Class: Alphaproteobacteria
Order: Rhodospirillales
Families

Rhodospirillaceae
Acetobacteraceae

The Rhodospirillales is an order of Proteobacteria, with two families: the Acetobacteraceae and the Rhodospirillaceae.

The Acetobacteraceae comprise the acetic acid bacteria, which are heterotrophic and produce acetic acid during their respiration. The Rhodospirillaceae include mainly purple non-sulfur bacteria, which produce energy through photosynthesis.