lachnoclostridium lachnoclostridium lachnoclostridium is a genus of bacteria in the family lachnospiraceae. lachnoclostridium scientific classification domain: bacteria phylum: bacillota class: clostridia order: eubacteriales family: lachnospiraceae genus: lachnoclostridiumwarnick et al, 2002 type species lachnoclostridium phytofermentans species lachnoclostridium phytofermentans warnick et al, 2002