Porphyromonas Shah and Collins 1988 emend. Kawamura et al. 2015 Dataset NCBI Taxonomy Classification phylum Bacteroidota class Bacteroidia order Bacteroidales family Porphyromonadaceae genus Porphyromonas Name Homonyms Porphyromonas Porphyromonas Shah and Collins 1988 emend. Willems and Collins 1995 Porphyromonas Shah and Collins 1988 emend. Wagener et al. 2014 Porphyromonas Shah and Collins 1988 emend. Kawamura et al. 2015