[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Domain Bacteria Woese et al. 1990
     Phylum "Bacteroidetes" Garrity and Holt 2001 see Phylum Bacteroidetes Krieg et al. 2012
       Class "Bacteroidetes" Krieg et al., 2012 see Class Bacteroidia Krieg et al., 2012
         Order "Bacteroidales" Krieg 2012 see Order Bacteroidales Krieg 2012
           Family "Porphyromonadaceae" nom. inval. see Family Porphyromonadaceae Krieg 2012
             Genus Porphyromonas Shah and Collins 1988
               01 Porphyromonas asaccharolytica (Holdeman and Moore 1970) Shah and Collins 1988
               02 Porphyromonas cangingivalis Collins et al. 1994
               03 Porphyromonas canoris Love et al. 1994
               04 Porphyromonas cansulci Collins et al. 1994
               05 Porphyromonas catoniae (Moore and Moore 1994) Willems and Collins 1995
               06 Porphyromonas circumdentaria Love et al. 1992
               07 Porphyromonas crevioricanis Hirasawa and Takada 1994
               08 Porphyromonas endodontalis (van Steenbergen et al. 1984) Shah and Collins 1988
               09 Porphyromonas gingivalis (Coykendall et al. 1980) Shah and Collins 1988
               10 Porphyromonas gingivicanis Hirasawa and Takada 1994
               11 Porphyromonas gulae Founier et al. 2001
               12 Porphyromonas levii (Johnson and Holdeman 1983) Shah et al. 1995
               13 Porphyromonas macacae (Slots and Genco 1980) Love 1995
               14 Porphyromonas salivosa (Love et al. 1987) Love et al. 1992
               15 Porphyromonas somerae Summanen et al. 2006
               16 Porphyromonas uenonis Finegold et al. 2005