hymenobacter coalescens hymenobacter coalescens hymenobacter coalescens is a gram-negative, aerobic, rod-shaped and non-motile bacterium from the genus of hymenobacter which has been isolated from water from the woopo wetland. hymenobacter coalescens scientific classification domain: bacteria phylum: bacteroidota class: cytophagia order: cytophagales family: hymenobacteraceae genus: hymenobacter species: h. coalescens binomial name hymenobacter coalescenskang et al. 2016 type strain ww84, jcm 19493, kctc 32530