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 Caulobacterales Henrici and Johnson 1935 (Approved Lists 1980)
                     Family Caulobacteraceaeᵀ Henrici and Johnson 1935 (Approved Lists 1980)
                       Genus Phenylobacterium Lingens et al. 1985
                         1 Phenylobacterium immobileᵀ Lingens et al. 1985
                         2 Phenylobacterium lituiforme Kanso and Patel 2004
                         3 Phenylobacterium falsum Tiago et al. 2005
                         4 Phenylobacterium koreense Aslam et al. 2005
                         5 Phenylobacterium composti Weon et al. 2008
                         6 Phenylobacterium conjunctum Abraham et al. 2008
                         7 Phenylobacterium haematophilum Abraham et al. 2008
                         8 Phenylobacterium muchangponense Oh and Roh 2012
                         9 Phenylobacterium kunshanense Chu et al. 2015