virgibacillus sediminis virgibacillus sediminis virgibacillus sediminis is a gram-positive, moderately halophilic, strictly aerobic and alkalitolerant bacterium from the genus of virgibacillus which has been isolated from sediments from the keke salt lake in the qaidam basin in china. virgibacillus sediminis scientific classification domain: bacteria phylum: bacillota class: bacilli order: bacillales family: bacillaceae genus: virgibacillus species: v. sediminis binomial name virgibacillus sediminischen et al. 2009 type strain cctcc aa 207023, dsm 19797, kctc 13193, yim kkny3