marinomonas hwangdonensis marinomonas hwangdonensis marinomonas hwangdonensis is a gram-negative, rod-shaped and motile bacterium from the genus of marinomonas which has been isolated from seawater from the yellow sea on korea. marinomonas hwangdonensis scientific classification domain: bacteria phylum: pseudomonadota class: gammaproteobacteria order: oceanospirillales family: oceanospirillaceae genus: marinomonas species: m. hwangdonensis binomial name marinomonas hwangdonensisjung et al. 2012 type strain ccug 61321, kctc 23661, hdw-15 synonyms marinomonas marina