shuttleworthia shuttleworthia shuttleworthia is a gram-positive, non-spore-forming, obligately anaerobic and non-motile bacterial genus from the family of lachnospiraceae with one known species (shuttleworthia satelles). shuttleworthia satelles has been isolated from the human periodontal pocket. shuttleworthia scientific classification domain: bacteria phylum: bacillota class: clostridia order: eubacteriales family: lachnospiraceae genus: shuttleworthiadownes et al. 2002 type species shuttleworthia satelles species s. satelles