virgibacillus subterraneus virgibacillus subterraneus virgibacillus subterraneus is a gram-positive and moderately halophilic bacterium from the genus of virgibacillus which has been isolated from saline soil from the qaidam basin in china. virgibacillus subterraneus scientific classification domain: bacteria phylum: bacillota class: bacilli order: bacillales family: bacillaceae genus: virgibacillus species: v. subterraneus binomial name virgibacillus subterraneuswang et al. 2010 type strain cgmcc 1.7734, dsm 22441, strain h57b72