hyunsoonleella jejuensis hyunsoonleella jejuensis hyunsoonleella jejuensis is a gram-negative, aerobic, rod-shaped and non-motile bacterium from the genus of hyunsoonleella which has been isolated from seawater from the coast of the jeju island. hyunsoonleella jejuensis scientific classification domain: bacteria phylum: bacteroidota class: flavobacteria order: flavobacteriales family: flavobacteriaceae genus: hyunsoonleella species: h. jejuensis binomial name hyunsoonleella jejuensisyoon et al. 2010 type strain cnu004