marmoricola scoriae marmoricola scoriae marmoricola scoriaes is a gram-positive bacterium from the genus marmoricola which has been isolated from volcanic ash from jeju island, korea. marmoricola scoriae scientific classification domain: bacteria phylum: actinomycetota class: actinomycetia order: propionibacteriales family: nocardioidaceae genus: marmoricola species: m. scoriae binomial name marmoricola scoriaelee and lee 2010 type strain dsm 22127jcm 17444kctc 19597sco-d01