pseudoalteromonas donghaensis pseudoalteromonas donghaensis pseudoalteromonas donghaensis is a marine bacterium which was originally isolated from seawater near south korea. pseudoalteromonas donghaensis scientific classification domain: bacteria phylum: pseudomonadota class: gammaproteobacteria order: alteromonadales family: pseudoalteromonadaceae genus: pseudoalteromonas binomial name pseudoalteromonas donghaensisoh et al., 2011