Domain Bacteria Woese et al. 1990
   Phylum Proteobacteria Garrity and Holt 2001 see Phylum Proteobacteria Garrity et al. 2005
     Class "Deltaproteobacteria" Garrity et al. 2001 nom. ined. see Class Deltaproteobacteria Kuever et al. 2006
       Order "Desulfobacterales" Garrity et al. 2001 nom. ined. see Order Desulfobacterales Kuever et al. 2006
         Family "Desulfoarculaceae" see Family Desulfarculaceae Kuever et al. 2006
           Genus Desulfobacca Oude Elferink et al. 1999
           Genus Desulfomonile DeWeerd et al. 1991
           1 Genus "Desulfoarculus" see Genus Desulfarculus Kuever et al. 2006
           2 Genus Nitrospina Watson and Waterbury 1971 (Approved Lists 1980)