clostridium carboxidivorans clostridium carboxidivorans clostridium carboxidivorans is a gram-positive anaerobic, spore-forming and motile bacterium from the genus clostridium which has been isolated from an agricultural lagoon in oklahoma in the united states. clostridium carboxidivorans scientific classification domain: bacteria phylum: bacillota class: clostridia order: eubacteriales family: clostridiaceae genus: clostridium species: c. carboxidivorans binomial name clostridium carboxidivoransliou et al. 2005 type strain atcc baa-624, dsm 15243, p7 clostridium carboxidivorans is capable of fermenting carbon monoxide, hydrogen, and carbon dioxide, and produce ethanol, butanol and hexanol as end-products. c. carboxidivorans does this using the wood-ljungdahl pathway.