roseivirga thermotolerans roseivirga thermotolerans roseivirga thermotolerans is a gram-negative, strictly aerobic and non-spore-forming bacterium from the genus of roseivirga. roseivirga thermotolerans scientific classification domain: bacteria phylum: bacteroidota class: cytophagia order: cytophagales family: roseivirgaceae genus: roseivirga species: r. thermotolerans binomial name roseivirga thermotolerans(tang et al. 2016) garcía-lópez et al. 2020 type strain a4 synonyms fabivirga thermotolerans