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 Phyllobacteriaceae Mergaert and Swings 2006
                       Genus Aquamicrobium Bambauer et al. 1998
                         1 Aquamicrobium defluviiᵀ Bambauer et al. 1998
                         2 Aquamicrobium aerolatum Kämpfer et al. 2009
                         3 Aquamicrobium aestuarii Jin et al. 2013
                         4 Aquamicrobium ahrensii Lipski and Kämpfer 2012
                         5 Aquamicrobium segne Lipski and Kämpfer 2012
                         6 Aquamicrobium lusatiense (Fritsche et al. 1999) Kämpfer et al. 2009