mogibacterium pumilum mogibacterium pumilum mogibacterium pumilum is a gram-positive, anaerobic, rod-shaped and non-spore-forming bacterium from the genus of mogibacterium which has been isolated from the periodontal pocket of a human. mogibacterium pumilum scientific classification domain: bacteria phylum: bacillota class: clostridia order: eubacteriales family: eubacteriaceae genus: mogibacterium species: m. pumilum binomial name mogibacterium pumilumnakazawa et al. 2000 type strain atcc 700696, d2-18, jcm 11202