anaerostipes rhamnosivorans anaerostipes rhamnosivorans anaerostipes rhamnosivorans is a gram-variable, strictly anaerobic, spore-forming, butyrate-producing and curly rod-shaped bacterium from the genus of anaerostipes which has been isolated from the human faeces of an infant in the netherlands. anaerostipes rhamnosivorans scientific classification domain: bacteria phylum: bacillota class: clostridia order: eubacteriales family: lachnospiraceae genus: anaerostipes species: a. rhamnosivorans binomial name anaerostipes rhamnosivoransbui et al. 2014 type strain 1y-2, dsm 26241, kctc 15316