neptuniibacter halophilus neptuniibacter halophilus neptuniibacter halophilus is a gram-negative, aerobic, rod-shaped and motile bacterium from the genus of neptuniibacter which has been isolated from a salt pan in taiwan. neptuniibacter halophilus scientific classification domain: bacteria phylum: pseudomonadota class: gammaproteobacteria order: oceanospirillales family: oceanospirillaceae genus: neptuniibacter species: n. halophilus binomial name neptuniibacter halophiluschen et al. 2012 type strain bcrc 80079, chen antisso-13, lmg 25378