winogradskyella jejuensis winogradskyella jejuensis winogradskyella jejuensis is a gram-negative and rod-shaped bacterium from the genus of winogradskyella which has been isolated from the alga carpopeltis affinis from the coast of the jeju island. winogradskyella jejuensis scientific classification domain: bacteria phylum: bacteroidota class: flavobacteriia order: flavobacteriales family: flavobacteriaceae genus: winogradskyella species: w. jejuensis binomial name winogradskyella jejuensiskim and oh 2015 type strain cp32