roseivirga marina roseivirga marina roseivirga marina is a gram-negative and rod-shaped bacterium from the genus of roseivirga which has been isolated from seawater from the sea of japan. roseivirga marina scientific classification domain: bacteria phylum: bacteroidota class: cytophagia order: cytophagales family: roseivirgaceae genus: roseivirga species: r. marina binomial name roseivirga marinapan et al. 2015 type strain kctc 42444, mccc 1k00459, psr synonyms roseivirga vulgaris