natranaerobius thermophilus natranaerobius thermophilus natranaerobius thermophilus is a thermophilic, obligately anaerobic and halophilic bacterium from the genus of natranaerobius which has been isolated from the wadi an natrun lake in egypt. natranaerobius thermophilus scientific classification domain: bacteria phylum: bacillota class: clostridia order: natranaerobiales family: natranaerobiaceae genus: natranaerobius species: n. thermophilusmesbah et al. 2007 binomial name natranaerobius thermophilus type strain atcc baa-1301, dsm 18059, jw/nm-wn-lf synonyms natronanaerobium thermophilum