formosa arctica formosa arctica formosa arctica is a gram-negative, chemoheterotrophic and strictly aerobic bacterium from the genus formosa which has been isolated from seawater from the arctic ocean. formosa arctica scientific classification domain: bacteria phylum: bacteroidota class: flavobacteriia order: flavobacteriales family: flavobacteriaceae genus: formosa species: f. arctica binomial name formosa arcticakwon et al. 2014 type strain imcc9485