procaryotes
   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 "Deltaproteobacteria" "Garrity and Holt 2001" nom. nud. see Class Deltaproteobacteria Kuever et al. 2006
         Order "Desulfovibrionales" "Garrity and Holt 2001" nom. nud. see Order Desulfovibrionales Kuever et al. 2006
           Family "Desulfovibrionaceae" Devereux et al. 1990 nom. inval. see Family Desulfovibrionaceae Kuever et al. 2006
             1 Genus Desulfovibrio Kluyver and van Niel 1936 (Approved Lists 1980)
             2 Genus Bilophila Baron et al. 1990
             3 Genus Lawsonia McOrist et al. 1995