aeromonas diversa aeromonas diversa aeromonas diversa is a gram-negative, facultative anaerobic bacterium of the genus aeromonas isolated from the leg wound of a patient in new orleans. aeromonas diversa scientific classification domain: bacteria phylum: pseudomonadota class: gammaproteobacteria order: aeromonadales family: aeromonadaceae genus: aeromonas species: a. diversa binomial name aeromonas diversamiñana-galbis et al. 2010 type strain atcc 43946, ccm 7325, cdc 2478-85, cect 4254, lmg 17321