pseudoalteromonas issachenkonii pseudoalteromonas issachenkonii pseudoalteromonas issachenkonii is a marine bacterium which was isolated from the brown alga fucus evanescens near the kurile islands. pseudoalteromonas issachenkonii scientific classification domain: bacteria phylum: pseudomonadota class: gammaproteobacteria order: alteromonadales family: pseudoalteromonadaceae genus: pseudoalteromonas binomial name pseudoalteromonas issachenkoniiivanova et al., 2002