Procaryotic Genera
   Domain "Bacteria" Woese et al. 1990
     Phylum Proteobacteria Garrity and Holt 2001 see Phylum Proteobacteria Garrity et al. 2005
       Class "Alphaproteobacteria" Garrity and Holt 2001 nom. nud. see Class Alphaproteobacteria Garrity et al. 2006
         Order "Rhizobiales" see Order Rhizobiales Kuykendall 2006
           Family "Phyllobacteriaceae" see Family Phyllobacteriaceae Mergaert and Swings 2006
             1 Genus Phyllobacterium (ex Knösel 1962) Knösel 1984
             2 Genus Allorhizobium de Lajudie et al. 1998 see Genus Rhizobium Frank 1889 (Approved Lists 1980)
             3 Genus Aminobacter Urakami et al. 1992
             4 Genus Aquamicrobium Bambauer et al. 1998
             5 Genus Defluvibacter Fritsche et al. 1999 see Genus Aquamicrobium Bambauer et al. 1998
             6 Genus Mesorhizobium Jarvis et al. 1997
             7 Genus Pseudaminobacter Kämpfer et al. 1999