hymenobacter sedentarius hymenobacter sedentarius hymenobacter sedentarius is a gram-negative and non-motile bacterium from the genus of hymenobacter which has been isolated from soil. hymenobacter sedentarius scientific classification domain: bacteria phylum: bacteroidota class: cytophagia order: cytophagales family: hymenobacteraceae genus: hymenobacter species: h. sedentarius binomial name hymenobacter sedentariuslee et al. 2016 type strain dg5b, jcm 19636, kctc 32524