cloacibacillus porcorum cloacibacillus porcorum cloacibacillus porcorum is a gram-negative, anaerobic, mesophilic and non-motile bacterium from the genus of cloacibacillus which has been isolated from the intestinal tract of a pig from ames in the united states. cloacibacillus porcorum scientific classification domain: bacteria phylum: synergistota class: synergistia order: synergistales family: synergistaceae genus: cloacibacillus species: c. porcorum binomial name cloacibacillus porcorumlooft et al. 2013 type strain ccug 62631, cl-84, dsm 25858