pseudoalteromonas denitrificans pseudoalteromonas denitrificans pseudoalteromonas denitrificans is a marine bacterium. pseudoalteromonas denitrificans scientific classification domain: bacteria phylum: pseudomonadota class: gammaproteobacteria order: alteromonadales family: pseudoalteromonadaceae genus: pseudoalteromonas binomial name pseudoalteromonas denitrificans(enger et al., 1987) gauthier et al., 1995 synonyms alteromonas denitrificansenger et al., 1987