flavihumibacter cheonanensis flavihumibacter cheonanensis flavihumibacter cheonanensis is a gram-negative, rod-shaped, strictly aerobic and non-motile bacterium from the genus of flavihumibacter which has been isolated from a shallow stream from cheonan in korea. flavihumibacter cheonanensis scientific classification domain: bacteria phylum: bacteroidota class: chitinophagia order: chitinophagales family: chitinophagaceae genus: flavihumibacter species: f. cheonanensis binomial name flavihumibacter cheonanensiskim et al. 2014 type strain jcm 19322, kacc 17467, strain ws16