pseudoalteromonas byunsanensis pseudoalteromonas byunsanensis pseudoalteromonas byunsanensis is a marine bacterium "isolated from tidal flat sediment of byunsan, south korea." pseudoalteromonas byunsanensis scientific classification domain: bacteria phylum: pseudomonadota class: gammaproteobacteria order: alteromonadales family: pseudoalteromonadaceae genus: pseudoalteromonas binomial name pseudoalteromonas byunsanensispark et al., 2005 synonyms pseudomonas byunsanensispark et al.