marmoricola aurantiacus marmoricola aurantiacus marmoricola aurantiacus is a gram-positive and aerobic bacterium from the genus marmoricola which has been isolated from a marble statue in germany. marmoricola aurantiacus scientific classification domain: bacteria phylum: actinomycetota class: actinomycetia order: propionibacteriales family: nocardioidaceae genus: marmoricola species: m. aurantiacus binomial name marmoricola aurantiacusurzì et al. 2000 type strain bc 361cip 106770dsm 12652jcm 10917ncimb 13748