winogradskyella aurantiaca winogradskyella aurantiaca winogradskyella aurantiaca is a gram-negative and motile bacterium from the genus of winogradskyella which has been isolated from seawater from the coast of the sea of japan in korea. winogradskyella aurantiaca scientific classification domain: bacteria phylum: bacteroidota class: flavobacteriia order: flavobacteriales family: flavobacteriaceae genus: winogradskyella species: w. aurantiaca binomial name winogradskyella aurantiacasong et al. 2018 type strain imcc20180