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 Desulfobacterales Kuever et al. 2006
                   Family Desulfobacteraceaeᵀ Kuever et al. 2006
                     Genus Desulfotignum Kuever et al. 2001
                       1 Desulfotignum balticumᵀ Kuever et al. 2001
                       2 Desulfotignum phosphitoxidans Schink et al. 2002
                       3 Desulfotignum toluenicum Ommedal and Torsvik 2007