clostridium aceticum clostridium aceticum clostridium aceticum is a species of bacterium in the genus clostridium. its name comes from the acetic acid it produces. it was first described in 1981. clostridium aceticum scientific classification domain: bacteria phylum: bacillota class: clostridia order: eubacteriales family: clostridiaceae genus: clostridium species: c. aceticum binomial name clostridium aceticumgottschalk and braun