bacillus selenitireducens bacillus selenitireducens bacillus selenitireducens is a bacterium first isolated from mono lake, california. it is notable for respiring oxyanions of selenium and arsenic. it is spore-forming, rod-shaped and alkaliphile, its type strain being mls10. bacillus selenitireducens scientific classification domain: bacteria phylum: bacillota class: bacilli order: bacillales family: bacillaceae genus: bacillus species: b. selenitireducens binomial name bacillus selenitireducensblum et al., 1998 this species has been recently transferred into the genus salisediminibacterium. the correct nomenclature is salisediminibacterium selenitireducens.