acetivibrio acetivibrio acetivibrio is a genus of clostridia bacteria. acetivibrio scientific classification domain: bacteria phylum: bacillota class: clostridia order: eubacteriales family: oscillospiraceae genus: acetivibriopatel et al. 1980 species see text species acetivibrio aldrichii acetivibrio alkalicellulosi acetivibrio cellulolyticus acetivibrio cellulosolvens acetivibrio clariflavus acetivibrio ethanolgignens acetivibrio mesophilus acetivibrio saccincola acetivibrio straminisolvens acetivibrio thermocellus