pueribacillus pueribacillus pueribacillus is a gram-positive, spore-forming, rod-shaped, aerobic and motile genus of bacteria from the family of bacillaceae with one known species (pueribacillus theae). pueribacillus theae has been isolated from pu'er tea. pueribacillus scientific classification domain: bacteria phylum: bacillota class: bacilli order: bacillales family: bacillaceae genus: pueribacilluswang et al. 2018 type species pueribacillus theae species p. theae