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 Sphingomonadales Yabuuchi and Kosako 2006
                     Family Sphingomonadaceaeᵀ Kosako et al. 2000
                       Genus Sphingobium Takeuchi et al. 2001
                         01 Sphingobium amiense Ushiba et al. 2003
                         02 Sphingobium aromaticiconvertens Wittich et al. 2007
                         03 Sphingobium chlorophenolicum (Nohynek et al. 1996) Takeuchi et al. 2001
                         04 Sphingobium chungbukense (Kim et al. 2000) Pal et al. 2005
                         05 Sphingobium cloacae (Fujii et al. 2001) Prakash and Lal 2006
                         06 Sphingobium francense Pal et al. 2005
                         07 Sphingobium fuliginis Prakash and Lal 2006
                         08 Sphingobium herbicidovorans (Zipper et al. 1997) Takeuchi et al. 2001
                         09 Sphingobium indicum Pal et al. 2005
                         10 Sphingobium japonicum Pal et al. 2005
                         11 Sphingobium olei Young et al. 2007
                         12 Sphingobium rhizovicinum Young et al. 2008
                         13 Sphingobium ummariense Singh and Lal 2009
                         14 Sphingobium xenophagum (Stolz et al. 2000) Pal et al. 2006
                         15 Sphingobium yanoikuyae (Yabuuchi et al. 1990) Takeuchi et al. 2001