porphyromonas gulae porphyromonas gulae porphyromonas gulae is a gram-negative, anaerobic, non-spore-forming, rod-shaped and non-motile bacterium from the genus of porphyromonas which has been isolated from the gingival sulcus of a wolf in canada. porphyromonas gulae colonies of porphyromonas gulae growing on a tsa plate scientific classification domain: bacteria phylum: bacteroidota class: bacteroidia order: bacteroidales family: porphyromonadaceae genus: porphyromonas species: p. gulae binomial name porphyromonas gulaefounier et al. 2001 type strain atcc 51700, ccug 47701, dsm 15663, jcm 13865, loup 1, nctc 13180