hymenobacter daecheongensis hymenobacter daecheongensis hymenobacter daecheongensis is a gram-negative, non-spore-forming, strictly aerobic and rod-shaped bacterium from the genus of hymenobacter which has been isolated from stream sediments from the daecheong dam in korea. hymenobacter daecheongensis scientific classification domain: bacteria phylum: bacteroidota class: cytophagia order: cytophagales family: hymenobacteraceae genus: hymenobacter species: h. daecheongensis binomial name hymenobacter daecheongensisxu et al. 2009 type strain dae14, dsm 21074, kctc 22258, lmg 24498