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 Rhizobiales Kuykendall 2006
                     Family Xanthobacteraceae Lee et al. 2005
                       Genus Ancylobacter Raj 1983
                         1 Ancylobacter aquaticusᵀ (Ørskov 1928) Raj 1983
                         2 Ancylobacter defluvii Poroshina et al. 2014
                         3 Ancylobacter dichloromethanicus Firsova et al. 2010
                         4 Ancylobacter oerskovii Lang et al. 2008
                         5 Ancylobacter polymorphus Xin et al. 2006
                         6 Ancylobacter rudongensis Xin et al. 2004
                         7 Ancylobacter vacuolatus Xin et al. 2006