[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020] Domain Bacteria Woese et al. 1990 Phylum "Proteobacteria" Garrity et al. 2005 see Superphylum Proteobacteria Craig et al. 2010 Class Alphaproteobacteria Garrity et al. 2006 Order Rhodospirillales Pfennig and TrĂ¼per 1971 (Approved Lists 1980) Family Acetobacteraceae (ex Henrici 1939) Gillis and De Ley 1980 Genus Zavarzinia Meyer et al. 1994 Zavarzinia compransoris (ex Nozhevnikova and Zavarzin 1974) Meyer et al. 1994