flavobacterium arsenitoxidans flavobacterium arsenitoxidans flavobacterium arsenitoxidans is a gram-negative, arsenite-oxidizing, non-spore-forming, rod-shaped and aerobic bacterium from the genus of flavobacterium which has been isolated from soil from suphanburi in thailand. flavobacterium arsenitoxidans scientific classification domain: bacteria phylum: bacteroidota class: flavobacteriia order: flavobacteriales family: flavobacteriaceae genus: flavobacterium species: f. arsenitoxidans binomial name flavobacterium arsenitoxidanskhianngam et al. 2015 type strain s2-3h, kctc 22507, nbrc 109607, pcu 331, tistr 2238