acetivibrio clariflavus acetivibrio clariflavus acetivibrio clariflavus is an anaerobic bacterium from the genus acetivibrio which has been isolated from sludge from a cellulose-degrading bioreactor in japan. acetivibrio clariflavus scientific classification domain: bacteria phylum: bacillota class: clostridia order: eubacteriales family: oscillospiraceae genus: acetivibrio species: a. clariflavus binomial name acetivibrio clariflavus(shiratori et al. 2009) tindall 2019 type strain dsm 19732, ebr-02e-0045, ebr45, nbrc 101661 synonyms clostridium clariflavum