streptomyces aridus streptomyces aridus streptomyces aridus is a bacterium species from the genus streptomyces which has been isolated from soil from the atacama desert. streptomyces aridus scientific classification domain: bacteria phylum: actinomycetota class: actinomycetia order: streptomycetales family: streptomycetaceae genus: streptomyces species: s. aridus binomial name streptomyces aridusidris et al. 2017 type strain ncimb 14965, strain h9, hi-2016