lutibacter crassostreae lutibacter crassostreae lutibacter crassostreae is a gram-negative, aerobic and non-spore-forming bacterium from the genus of lutibacter which has been isolated from a oyster from the south sea in korea. lutibacter crassostreae scientific classification domain: bacteria phylum: bacteroidota class: flavobacteriia order: flavobacteriales family: flavobacteriaceae genus: lutibacter species: l. crassostreae binomial name lutibacter crassostreaepark et al. 2015 type strain tyo-8