porphyromonas canoris porphyromonas canoris porphyromonas canoris is a gram-negative, obligately anaerobic, non-spore-forming and non-motile bacterium from the genus of porphyromonas which has been isolated from subgingival plaque from dogs. porphyromonas canoris scientific classification domain: bacteria phylum: bacteroidota class: bacteroidia order: bacteroidales family: porphyromonadaceae genus: porphyromonas species: p. canoris binomial name porphyromonas canorislove et al. 1994 type strain ccug 36550, cip 104881, jcm 16132, nctc 12835, vpb 4878