Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         [crown] Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           Domain Bacteria Woese et al. 1990 [paraphyletic?]
             Superphylum "Proteobacteria" Craig et al. 2010
               Phylum "Gammaproteobacteria" Garrity et al., 2005 [monotypic]
                 Class Gammaproteobacteriaᵀ Garrity et al. 2005
                   Order Chromatiales Imhoff 2005
                     Family Ectothiorhodospiraceae Imhoff 1984
                       Genus Ectothiorhodospiraᵀ Pelsh 1936 (Approved Lists 1980)
                         1 Ectothiorhodospira haloalkaliphila Imhoff and Süling 1997
                         2 Ectothiorhodospira magna Bryantseva et al. 2011
                         3 Ectothiorhodospira marina Imhoff and Süling 1997
                         4 Ectothiorhodospira mobilisᵀ Pelsh 1936 (Approved Lists 1980)
                         5 Ectothiorhodospira salini Ramana et al. 2011
                         6 Ectothiorhodospira shaposhnikovii Cherni et al. 1969 (Approved Lists 1980)
                         7 Ectothiorhodospira variabilis Gorlenko et al. 2009