streptomyces caeni streptomyces caeni streptomyces caeni is a bacterium species from the genus of streptomyces which has been isolated from mangrove mud from sanya in china. streptomyces caeni scientific classification domain: bacteria phylum: actinomycetota class: actinomycetia order: streptomycetales family: streptomycetaceae genus: streptomyces species: s. caeni binomial name streptomyces caenihuang et al. 2018 type strain ha15955