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 Labrenzia Biebl et al. 2007
                         1 Labrenzia aggregata (Uchino et al. 1999) Biebl et al. 2007
                         2 Labrenzia alba (Pujalte et al. 2006) Biebl et al. 2007
                         3 Labrenzia alexandrii Biebl et al. 2007
                         4 Labrenzia marina (Kim et al. 2006) Biebl et al. 2007
                         5 Labrenzia suaedae Bibi et al. 2014