roseivirga spongicola roseivirga spongicola roseivirga spongicola is a gram-negative, strictly aerobic and chemoorganotrophic bacterium from the genus of roseivirga which has been isolated from a marine sponge on the bahamas. roseivirga spongicola scientific classification domain: bacteria phylum: bacteroidota class: cytophagia order: cytophagales family: roseivirgaceae genus: roseivirga species: r. spongicola binomial name roseivirga spongicolalau et al. 2006 type strain jcm 13337, nrrl b-41219, ust030701-084