[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Domain Bacteria Woese et al. 1990 stat. inval. see Domain Bacteria Woese et al. 2024
     Phylum "Bacteroidetes" Garrity and Holt 2001 nom. inval. see Phylum Bacteroidetes Krieg et al. 2012 stat. inval.
       Class "Bacteroidetes" see Class Bacteroidia
         Order "Bacteroidales" "Garrity and Holt 2001" nom. nud. see Order Bacteroidales Krieg 2012
           Family "Porphyromonadaceae" "Garrity and Holt 2001" nom. nud. see Family Porphyromonadaceae Krieg 2012
             1 Genus Porphyromonas Shah and Collins 1988
             1.0 Genus Oribaculum Moore and Moore 1994 see Genus Porphyromonas Shah and Collins 1988
             2 Genus Dysgonomonas Hofstad et al. 2000
             3 Genus Paludibacter Ueki et al. 2006
             4 Genus Parabacteroides Sakamoto and Benno 2006
             5 Genus Proteiniphilum Chen and Dong 2005
             6 Genus Tannerella Sakamoto et al. 2002