natranaerobaculum natranaerobaculum natranaerobaculum is a gram-positive, obligately alkaliphilic, anaerobic, thermotolerant, halotolerant and spore-forming genus of bacteria from the family of natranaerobiaceae with one known species (natranaerobaculum magadiense). natranaerobaculum magadiense has been isolated from sediments from the lake magadi in kenya. natranaerobaculum scientific classification domain: bacteria phylum: bacillota class: clostridia order: natranaerobiales family: natranaerobiaceae genus: natranaerobaculumzavarzina et al. 2013 type species natranaerobaculum magadiense species n. magadiense