Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         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 Desulfuromonadales corrig. Kuever et al. 2006
                   Family Desulfuromonadaceaeᵀ corrig. Kuever et al. 2006
                     Genus Pelobacter Schink and Pfennig 1983
                       Pelobacter seleniigenes Narasingarao and Häggblom 2007