neptunomonas naphthovorans neptunomonas naphthovorans neptunomonas naphthovorans is a species of bacteria. it is notable for utilising naphthalene as a sole carbon and energy source. its type strain is nag-2n-126. neptunomonas naphthovorans scientific classification domain: bacteria phylum: pseudomonadota class: gammaproteobacteria order: oceanospirillales family: oceanospirillaceae genus: neptunomonas species: n. naphthovorans binomial name neptunomonas naphthovoranshedlund et al. 1999