macellibacteroides fermentans macellibacteroides fermentans macellibacteroides fermentans is a non-spore-forming, obligately anaerobic, rod-shaped and mesophilic bacterium from the genus of macellibacteroides which has been isolated from an upflow anaerobic filter fore treating abattoir wastewaters in tunisia. macellibacteroides fermentans scientific classification domain: bacteria phylum: bacteroidota class: bacteroidia order: bacteroidales family: porphyromonadaceae genus: macellibacteroides species: m. fermentans binomial name macellibacteroides fermentansjabari et al. 2012 type strain ccug 60892, dsm 23697, jcm 16313, lind7h