methanosalsum methanosalsum in taxonomy, methanosalsum is a genus of microbes within the family methanosarcinaceae. this genus contains two species. methanosalsum scientific classification domain: archaea kingdom: euryarchaeota phylum: euryarchaeota class: methanomicrobia order: methanosarcinales family: methanosarcinaceae genus: methanosalsum binomial name methanosalsumboone and baker 2002 species m. zhilinae m. natronophilum methanosalsum zhilinae was isolated from the saline and alkaline sediments of wadi natrun in egypt and from lake magadi. it is moderately halophilic. methanosalsum natronophilum (natronophilum means soda-loving) was isolated from hypersaline soda lakes.