desulfocapsa desulfocapsa desulfocapsa is a bacterial genus from the family desulfocapsaceae. desulfocapsa scientific classification domain: bacteria phylum: thermodesulfobacteriota class: desulfobulbia order: desulfobulbales family: desulfocapsaceae genus: desulfocapsajanssen et al. 1997 type species desulfocapsa thiozymogenesjanssen et al. 1997 species d. sulfexigens d. thiozymogenes