halocella halocella halocella is a gram-negative, non-spore-forming, obligately anaerobic and moderately halophilic genus of bacteria from the family of halanaerobiaceae with one known species (halocella cellulosilytica). halocella cellulosilytica has been isolated from the hypersaline lagoon of the lake syvash on the crimea. halocella scientific classification domain: bacteria phylum: bacillota class: "halanaerobiia" order: halanaerobiales family: halanaerobiaceae genus: halocellasimankova et al. 1994 type species halocella cellulosilyticacorrig. simankova et al. 1994 species h. cellulosilytica