halorubrum ezzemoulense halorubrum ezzemoulense halorubrum ezzemoulense is a halophilic archaeon in the family of halorubraceae. halorubrum ezzemoulense scientific classification domain: archaea kingdom: euryarchaeota phylum: euryarchaeota class: halobacteria order: haloferacales family: halorubraceae genus: halorubrum species: h. ezzemoulensekharroub et al. 2006 binomial name halorubrum ezzemoulense synonyms halorubrum chaoviator mancinelli et al. 2009