Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         [crown] Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           Domain Bacteria Woese et al. 1990 [paraphyletic?]
             Phylum "Deltaproteobacteria" Kuever et al., 2006 [polyphyletic]
               Class Deltaproteobacteriaᵀ Kuever et al. 2006
                 Order Desulfovibrionales Kuever et al. 2006
                   Family Desulfovibrionaceaeᵀ Kuever et al. 2006
                     1 Genus Desulfovibrioᵀ Kluyver and van Niel 1936 (Approved Lists 1980)
                     2 Genus Bilophila Baron et al. 1990 [monotypic]
                     3 Genus Desulfobaculum Zhao et al. 2012 [monotypic]
                     4 Genus Desulfocurvus Klouche et al. 2009
                     5 Genus Lawsonia McOrist et al. 1995 [monotypic]