butyricimonas butyricimonas butyricimonas is a gram-negative and anaerobic genus of bacteria from the family of odoribacteraceae. this bacterium is present in the gastrointestinal tract of various mammals such as rats and humans. butyricimonas scientific classification domain: bacteria phylum: bacteroidota class: bacteroidia order: bacteroidales family: odoribacteraceae genus: butyricimonassakamoto et al. 2009 type species butyricimonas synergistica species b. faecalis b. faecihominis b. paravirosa b. synergistica b. virosa