cellulomonas massiliensis cellulomonas massiliensis cellulomonas massiliensis is a rod-shaped bacterium from the genus cellulomonas which has been isolated from human feces from dielmo in senegal. cellulomonas massiliensis scientific classification domain: bacteria phylum: actinomycetota class: actinomycetia order: micrococcales family: cellulomonadaceae genus: cellulomonas species: c. massiliensis binomial name cellulomonas massiliensislagier et al. 2015 type strain csur p160dsm 25695jc225