natronorubrum natronorubrum natronorubrum is a genus in the family halobacteriaceae. natronorubrum scientific classification domain: archaea phylum: euryarchaeota class: halobacteria order: natrialbales family: natrialbaceae genus: natronorubrumxu et al. 1999 species n. aibiense n. bangense n. daqingense "n. halalkaliphilum" n. halophilum n. sediminis n. sulfidifaciens n. texcoconense n. tibetense