chryseobacterium tenax chryseobacterium tenax chryseobacterium tenax is a bacterium from the genus of chryseobacterium which has been isolated from stones from the river taff in wales. chryseobacterium tenax scientific classification domain: bacteria phylum: bacteroidota class: flavobacteriia order: flavobacteriales family: weeksellaceae genus: chryseobacterium species: c. tenax binomial name chryseobacterium tenax(o'sullivan et al. 2006) hahnke et al. 2017 type strain dsm 16811, ep105, ncimb 14026 synonyms epilithonimonas tenax