prokaryotes - bacteria see Domain Bacteria Woese et al. 1990 stat. inval.
   Domain "Bacteria" Woese et al. 1990 stat. inval. see Domain Bacteria Woese et al. 2024
     Phylum "Bacteroidetes" Krieg et al. 2012 stat. inval. see Phylum Bacteroidota Krieg et al. 2021
       Class Bacteroidia Krieg 2012 [monotypic]
         Order Bacteroidales Krieg 2012
           Family Porphyromonadaceae Krieg 2012
             01 Genus Barnesiella Sakamoto et al. 2007
             02 Genus Butyricimonas Sakamoto et al. 2009
             03 Genus Coprobacter Shkoporov et al. 2013
             04 Genus Dysgonomonas Hofstad et al. 2000
             05 Genus Falsiporphyromonas Wagener et al. 2014
             06 Genus Macellibacteroides Jabari et al. 2012
             07 Genus Microbacter Sánchez-Andrea et al. 2014
             08 Genus Odoribacter Hardham et al. 2008
             09 Genus Oribaculum Moore and Moore 1994 see Genus Porphyromonas Shah and Collins 1988
             10 Genus Paludibacter Ueki et al. 2006
             11 Genus Parabacteroides Sakamoto and Benno 2006
             12 Genus Petrimonas Grabowski et al. 2005
             13 Genus Porphyromonas Shah and Collins 1988
             14 Genus Proteiniphilum Chen and Dong 2005
             15 Genus Tannerella Sakamoto et al. 2002