lachnobacterium lachnobacterium lachnobacterium is a gram-positive, non-spore-forming and anaerobic bacterial genus from the family of lachnospiraceae with one known species (lachnobacterium bovis). lachnobacterium bovis has been isolated from the rumen and faeces of cattle. lachnobacterium scientific classification domain: bacteria phylum: bacillota class: clostridia order: eubacteriales family: lachnospiraceae genus: lachnobacteriumwhitford et al. 2001 type species lachnobacterium bovis species l. bovis