kordia (bacterium) kordia (bacterium) kordia is a gram-negative, strictly aerobic and non-motile genus of bacteria from the family of flavobacteriaceae. kordia scientific classification domain: bacteria phylum: bacteroidota class: flavobacteriia order: flavobacteriales family: flavobacteriaceae genus: kordiasohn et al. 2004 species k. algicida k. antarctica k. aquimaris k. jejudonensis k. periserrulae k. ulvae k. zhangzhouensis k. zosterae