Procaryotic Genera
   Domain "Bacteria" Woese et al. 1990 stat. inval. see Domain Bacteria Woese et al. 2024
     Phylum Proteobacteria Garrity and Holt 2001 nom. nud. see Phylum Proteobacteria Garrity et al. 2005 stat. inval.
       Class "Alphaproteobacteria" "Garrity and Holt 2001" nom. nud. see Class Alphaproteobacteria Garrity et al. 2006
         Order "Rhizobiales" "Garrity and Holt 2001" nom. nud. see Order Rhizobiales Kuykendall 2006
           Family "Bradyrhizobiaceae" "Garrity and Holt 2001" nom. nud. see Family Bradyrhizobiaceae Garrity et al. 2006
             1 Genus Bradyrhizobium Jordan 1982
             2 Genus Afipia Brenner et al. 1992
             3 Genus Agromonas Ohta and Hattori 1985 see Genus Bradyrhizobium Jordan 1982
             4 Genus Blastobacter Zavarzin 1961 (Approved Lists 1980)
             5 Genus Bosea Das et al. 1996 nom. illeg. see Genus Allobosea Deshmukh and Oren 2026
             6 Genus Nitrobacter Winogradsky 1892 (Approved Lists 1980) nom. cons.
             7 Genus Oligotropha Meyer et al. 1994 see Genus Afipia Brenner et al. 1992
             8 Genus Rhodopseudomonas Czurda and Maresch 1937 (Approved Lists 1980) nom. cons.