draconibacterium filum draconibacterium filum draconibacterium filum is a gram-negative, long-rod-shaped and facultatively anaerobic bacterium from the genus of draconibacterium which has been isolated from sediments from the coast of korea. draconibacterium filum scientific classification domain: bacteria phylum: bacteroidota class: bacteroidia order: bacteroidales family: prolixibacteraceae genus: draconibacterium species: d. filum binomial name draconibacterium filumgwak et al. 2015 type strain f2