polaromonas naphthalenivorans polaromonas naphthalenivorans polaromonas naphthalenivorans is a gram-negative, oxidase- and catalase-positive, non-spore-forming, nonmotile bacterium from the genus polaromonas, which was isolated from coal-tar contaminated freshwater sediment. p. naphthalenivorans has the ability to degrade naphthalene. its colonies have a smooth and glistening surface. polaromonas naphthalenivorans scientific classification domain: bacteria phylum: pseudomonadota class: betaproteobacteria order: burkholderiales family: comamonadaceae genus: polaromonas species: p. naphthalenivorans binomial name polaromonas naphthalenivoransjeon et al. 2004 type strain atcc baa-779, ccug 51246, cj2, dsm 15660