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 Phaeobacter Martens et al. 2006
                         1 Phaeobacter gallaeciensis (Ruiz-Ponte et al. 1998) Martens et al. 2006
                         2 Phaeobacter inhibens Martens et al. 2006
                         3 Phaeobacter daeponensis Yoon et al. 2007
                         4 Phaeobacter arcticus Zhang et al. 2008
                         5 Phaeobacter caeruleus Vandecandelaere et al. 2009
                         6 Phaeobacter aquaemixtae Park et al. 2014