winogradskyella rapida winogradskyella rapida winogradskyella rapida is a gram-negative, aerobic, rod-shaped and heterotrophic bacterium from the genus of winogradskyella which has been isolated from protein-enriched seawater from the scripps pier. winogradskyella rapida scientific classification domain: bacteria phylum: bacteroidota class: flavobacteriia order: flavobacteriales family: flavobacteriaceae genus: winogradskyella species: w. rapida binomial name winogradskyella rapidapinhassi et al. 2009 type strain scb36