marinobacterium stanieri marinobacterium stanieri marinobacterium stanieri is a gram-negative bacterium found in sea water. the name pseudomonas stanieri is a synonym. marinobacterium stanieri scientific classification domain: bacteria phylum: pseudomonadota class: gammaproteobacteria order: alteromonadales family: alteromonadaceae genus: marinobacterium binomial name marinobacterium stanieri(baumann et al. 1983) satomi et al. 2002 synonyms pseudomonas stanieri baumann et al. 1983