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 Bradyrhizobiaceae Garrity et al. 2006
                       Genus Blastobacter Zavarzin 1961 (Approved Lists 1980)
                         [Blastobacter natatorius Sly 1985] see Blastomonas natatoria (Sly 1985) Sly and Cahill 1997
                         - [Blastobacter denitrificans Hirsch and Müller 1986] see Bradyrhizobium denitrificans (Hirsch and Müller 1986) van Berkum et al. 2011
                         1 Blastobacter aggregatus Hirsch and Müller 1986
                         2 Blastobacter capsulatus Hirsch and Müller 1986
                         3 Blastobacter henriciiᵀ Zavarzin 1961 (Approved Lists 1980)