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 "Alphaproteobacteria" Garrity et al., 2006 [monotypic]
                 Class Alphaproteobacteriaᵀ Garrity et al. 2006
                   Order Rhodobacterales Garrity et al. 2006 [monotypic]
                     Family Rhodobacteraceaeᵀ Garrity et al. 2006
                       Genus Sulfitobacter Sorokin 1996
                         1 Sulfitobacter brevis Labrenz et al. 2000
                         2 Sulfitobacter delicatus Ivanova et al. 2004
                         3 Sulfitobacter donghicola Yoon et al. 2007
                         4 Sulfitobacter dubius Ivanova et al. 2004
                         5 Sulfitobacter litoralis Park et al. 2007
                         6 Sulfitobacter marinus Yoon et al. 2007
                         7 Sulfitobacter mediterraneus Pukall et al. 1999
                         8 Sulfitobacter pontiacusᵀ Sorokin 1996
                         9 Sulfitobacter guttiformis (Labrenz et al. 2000) Yoon et al. 2007