cloacibacillus evryensis cloacibacillus evryensis cloacibacillus evryensis is a gram-negative, anaerobic, mesophilic, rod-shaped and non-motile bacterium from the genus of cloacibacillus which has been isolated from sewage sludge from a wastewater treatment plant from evry in france. cloacibacillus evryensis scientific classification domain: bacteria phylum: synergistota class: synergistia order: synergistales family: synergistaceae genus: cloacibacillus species: c. evryensis binomial name cloacibacillus evryensisganesan et al. 2008 type strain strain 158, dsm 19522, jcm 14828