grimontia marina grimontia marina grimontia marina is a gram-negative, chemoheterotrophic and obligately aerobic bacterium species from the genus of grimontia which has been isolated from yellow sea. grimontia marina scientific classification domain: bacteria phylum: pseudomonadota class: gammaproteobacteria order: vibrionales family: vibrionaceae genus: grimontia species: g. marina binomial name grimontia marinachoi et al. 2013 type strain imcc5001