hymenobacter metalli hymenobacter metalli hymenobacter metalli is a bacterium from the genus of hymenobacter which has been isolated from a uranium mine waste water treatment system. hymenobacter metalli scientific classification domain: bacteria phylum: bacteroidota class: cytophagia order: cytophagales family: hymenobacteraceae genus: hymenobacter species: h. metalli binomial name hymenobacter metallichung et al. 2011 type strain a2-91, cip 110140, kacc 17381, lmg 25700