melghiribacillus melghiribacillus melghiribacillus is a gram-positive, spore-forming and aerobic genus of bacteria from the family of bacillaceae with one known species (melghiribacillus thermohalophilus). melghiribacillus thermohalophilus was isolated from soil from a salt lake from chott melghir. melghiribacillus scientific classification domain: bacteria phylum: bacillota class: bacilli order: bacillales family: bacillaceae genus: melghiribacillusaddou et al. 2015 type species melghiribacillus thermohalophilus species m. thermohalophilus