[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   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 Deltaproteobacteria Kuever et al. 2006
         Order Desulfovibrionales Kuever et al. 2006
           Family Desulfovibrionaceae Kuever et al. 2006
             1 Genus Desulfovibrio Kluyver and van Niel 1936 (Approved Lists 1980)
             1.1 Genus Desulfomonas Moore et al. 1976 (Approved Lists 1980) see Genus Desulfovibrio Kluyver and van Niel 1936 (Approved Lists 1980)
             2 Genus Bilophila Baron et al. 1990
             3 Genus Lawsonia McOrist et al. 1995