halalkalibacillus halalkalibacillus halalkalibacillus is a gram-positive, rod-shaped, moderately halophilic, alkaliphilic, aerobic and motile genus of bacteria from the family of bacillaceae with one known species (halalkalibacillus halophilus). halalkalibacillus scientific classification domain: bacteria phylum: bacillota class: bacilli order: bacillales family: bacillaceae genus: halalkalibacillusechigo et al. 2007 species h. halophilus