desulfocella desulfocella desulfocella is a gram-negative, anaerobic and non-spore-forming bacteria genus from the family of desulfobacteraceae with one known species (desulfocella halophila). desulfocella scientific classification domain: bacteria phylum: thermodesulfobacteriota class: desulfobacteria order: desulfobacterales family: desulfobacteraceae genus: desulfocellabrandt et al. 1999 type species desulfocella halophila species d. halophila