thermoclostridium caenicola thermoclostridium caenicola thermoclostridium caenicola is a gram-positive anaerobic bacterium from the genus thermoclostridium which has been isolated from methanogenic sludge. thermoclostridium caenicola scientific classification domain: bacteria phylum: bacillota class: clostridia order: eubacteriales family: oscillospiraceae genus: thermoclostridium species: t. caenicola binomial name thermoclostridium caenicola(shiratori et al. 2009) zhang et al. 2018 type strain dsm 19027, ebr596, nbrc 102590 synonyms clostridium caenicola