neptunomonas neptunomonas neptunomonas is an anaerobic and rod-shaped genus from the family of oceanospirillaceae. neptunomonas scientific classification domain: bacteria phylum: pseudomonadota class: gammaproteobacteria order: oceanospirillales family: oceanospirillaceae genus: neptunomonashedlund et al. 1999 type species neptunomonas naphthovorans species neptunomonas acidivorans neptunomonas antarctica neptunomonas concharum neptunomonas japonica neptunomonas naphthovorans neptunomonas phycophila neptunomonas qingdaonensis