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 stat. inval. [paraphyletic?]] see Domain Bacteria Woese et al. 2024
             [Phylum "Proteobacteria" Garrity and Holt 2001 nom. nud.] see Phylum Proteobacteria Garrity et al. 2005 stat. inval.
               [Class "Deltaproteobacteria" "Garrity and Holt 2001" nom. nud.] see Class Deltaproteobacteria Kuever et al. 2006
                 1 [Order "Desulfurellales" "Garrity and Holt 2001" nom. nud.] see Order Desulfurellales Kuever et al. 2006
                 2 [Order "Desulfovibrionales" "Garrity and Holt 2001" nom. nud.] see Order Desulfovibrionales Kuever et al. 2006
                 3 [Order "Desulfobacterales" "Garrity and Holt 2001" nom. nud.] see Order Desulfobacterales Kuever et al. 2006
                 4 [Order "Desulfuromonadales" "Garrity and Holt 2001" nom. nud.] see Order Desulfuromonadales corrig. Kuever et al. 2006
                 5 [Order "Syntrophobacterales" "Garrity and Holt 2001" nom. nud.] see Order Syntrophobacterales Kuever et al. 2006
                 6 [Order "Bdellovibrionales" "Garrity and Holt 2001" nom. nud.] see Order Bdellovibrionales Garrity et al. 2006