peptoclostridium litorale peptoclostridium litorale peptoclostridium litorale, previously known as clostridium litorale, is a bacterium belonging to the family peptostreptococcaceae. peptoclostridium litorale scientific classification domain: bacteria phylum: bacillota class: clostridia order: eubacteriales family: peptostreptococcaceae genus: peptoclostridium species: p. litorale binomial name peptoclostridium litorale(fendrich et al. 1991) galperin et al. 2016 synonyms clostridium litorale