prokaryotes - bacteria see Domain Bacteria Woese et al. 1990 stat. inval.
   Domain "Bacteria" Woese et al. 1990 stat. inval. see Domain Bacteria Woese et al. 2024
     Phylum "Proteobacteria" Garrity et al. 2005 stat. inval. see Phylum Pseudomonadota Garrity et al. 2021
       Class Alphaproteobacteria Garrity et al. 2006
         Order Rhizobiales Kuykendall 2006 see Order Hyphomicrobiales Douglas 1957 (Approved Lists 1980)
           Family Phyllobacteriaceae Mergaert and Swings 2006 see Family Bartonellaceae Gieszczykiewicz 1939 (Approved Lists 1980)
             01 Genus Aminobacter Urakami et al. 1992
             02 Genus Aquamicrobium Bambauer et al. 1998
             03 Genus Chelativorans Doronina et al. 2010
             04 Genus Defluvibacter Fritsche et al. 1999 see Genus Aquamicrobium Bambauer et al. 1998
             05 Genus Hoeflea Peix et al. 2005
             06 Genus Lentilitoribacter Park et al. 2013
             07 Genus Mesorhizobium Jarvis et al. 1997
             08 Genus Nitratireductor Labbé et al. 2004
             09 Genus Oricola Hameed et al. 2015
             10 Genus Phyllobacterium (ex Knösel 1962) Knösel 1984
             11 Genus Pseudahrensia Jung et al. 2012
             12 Genus Pseudaminobacter Kämpfer et al. 1999
             13 Genus Thermovum Yabe et al. 2012 see Genus Chelativorans Doronina et al. 2010