clostridium aestuarii clostridium aestuarii clostridium aestuarii is a halophilic, strictly anaerobic, spore-forming, rod-shaped and motile bacterium from the genus clostridium which has been isolated from tidal flat sediments. clostridium aestuarii scientific classification domain: bacteria phylum: bacillota class: clostridia order: eubacteriales family: clostridiaceae genus: clostridium species: c. aestuarii binomial name clostridium aestuariikim et al. 2007 type strain dsm 19521, imsnu 40129, jcm 13194, kctc 5147, hy-45-18 synonyms clostridium dongmakense