allobaculum allobaculum allobaculum is a gram-positive, non-spore-forming bacterial, strictly anaerobic and non-motile genus from the family of erysipelotrichidae, with one known species (allobaculum stercoricanis). allobaculum scientific classification domain: bacteria phylum: bacillota class: erysipelotrichia order: erysipelotrichales family: erysipelotrichidae genus: allobaculumgreetham et al. 2006 type species allobaculum stercoricanisgreetham et al. 2006 species "a. mucolyticum" a. stercoricanis