psychrobacter oceani psychrobacter oceani psychrobacter oceani is a gram-negative, strictly aerobic and nonmotile bacterium of the genus psychrobacter, which was isolated from a sample of marine sediment from the pacific ocean. psychrobacter oceani scientific classification domain: bacteria phylum: pseudomonadota class: gammaproteobacteria order: pseudomonadales family: moraxellaceae genus: psychrobacter species: p. oceani binomial name psychrobacter oceanimatsuyama et al. 2015 type strain jcm 30235, ncimb 14948, 4k5