haloferax denitrificans haloferax denitrificans haloferax denitrificans is a species of archaea in the family haloferacaceae. haloferax denitrificans scientific classification domain: archaea kingdom: euryarchaeota class: halobacteria order: haloferacales family: haloferacaceae genus: haloferax species: h. denitrificans binomial name haloferax denitrificans(tomlinson et al. 1986) tindall et al. 1989 synonyms halobacterium denitrificans tomlinson et al. 1986