pontibacillus pontibacillus pontibacillus is a gram-positive, spore-forming and strictly aerobic genus of bacteria from the family of bacillaceae. pontibacillus scientific classification domain: bacteria phylum: bacillota class: bacilli order: bacillales family: bacillaceae genus: pontibacilluslim et al. 2005 type species pontibacillus chungwhensis species p. chungwhensis p. halophilus p. litoralis p. marinus p. salicampi p. salipaludis p. yanchengensis