rubrobacter marinus rubrobacter marinus rubrobacter marinus is a gram-positive bacterium from the genus of rubrobacter which has been isolated from deep-sea sediments from the south china sea. rubrobacter marinus scientific classification domain: bacteria phylum: actinomycetota class: rubrobacteria order: rubrobacterales family: rubrobacteraceae genus: rubrobacter species: r. marinus binomial name rubrobacter marinuschen et al. 2020 type strain scsio 52915