sediminibacillus massiliensis sediminibacillus massiliensis sediminibacillus massiliensis is a gram-positive, moderately halophilic, aerobic, rod-shaped and motile bacterium from the genus of sediminibacillus which has been isolated from human feaces from dielmo in senegal. sediminibacillus massiliensis scientific classification domain: bacteria phylum: bacillota class: bacilli order: bacillales family: bacillaceae genus: sediminibacillus species: s. massiliensis binomial name sediminibacillus massiliensissenghor et al. 2017 type strain csur p3518