winogradskyella psychrotolerans winogradskyella psychrotolerans winogradskyella psychrotolerans is a gram-negative and rod-coccus shaped bacterium from the genus of winogradskyella which has been isolated from sediments from kongsfjorden. winogradskyella psychrotolerans scientific classification domain: bacteria phylum: bacteroidota class: flavobacteriia order: flavobacteriales family: flavobacteriaceae genus: winogradskyella species: w. psychrotolerans binomial name winogradskyella psychrotoleransbegum et al. 2013 type strain rs-3