catenibacterium catenibacterium catenibacterium is a gram-positive, non-spore-forming and anaerobic genus from the family erysipelotrichidae, with one known species (catenibacterium mitsuokai). catenibacterium scientific classification domain: bacteria phylum: bacillota class: erysipelotrichia order: erysipelotrichales family: coprobacillaceae genus: catenibacteriumkageyama and benno 2000 type species catenibacterium mitsuokaikageyama & benno 2000 species c. mitsuokai