streptomyces atriruber streptomyces atriruber streptomyces atriruber is a bacterium species from the genus streptomyces which has been isolated from an equine placenta in lexington in kentucky in the united states. streptomyces atriruber scientific classification domain: bacteria phylum: actinomycetota class: actinomycetia order: streptomycetales family: streptomycetaceae genus: streptomyces species: s. atriruber binomial name streptomyces atriruberlabeda et al. 2009 type strain dsm 41860, lddc 6330-99, nrrl b-24165