aeromonas taiwanensis aeromonas taiwanensis aeromonas taiwanensis is a gram-negative, oxidase- and catalase-positive, non-spore-forming, motile bacterium of the genus aeromonas isolated from wounds of patients in taiwan. aeromonas taiwanensis scientific classification domain: bacteria phylum: pseudomonadota class: gammaproteobacteria order: aeromonadales family: aeromonadaceae genus: aeromonas species: a. taiwanensis binomial name aeromonas taiwanensisalperi et al. 2010 type strain a2-50, cect 7403, cip 110204, lmg 24683