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 "Bacteroidetes" Garrity and Holt 2001] see Phylum Bacteroidetes Krieg et al. 2012
               [Class "Bacteroidia" Krieg et al., 2012 [monotypic]] see Class Bacteroidia Krieg 2012
                 [Order "Bacteroidales"ᵀ Krieg 2012] see Order Bacteroidales Krieg 2012
                   [Family "Porphyromonadaceae" nom. inval.] see Family Porphyromonadaceae Krieg 2012