desulfurococcus desulfurococcus in taxonomy, desulfurococcus is a genus of the desulfurococcaceae. desulfurococcus scientific classification domain: archaea phylum: thermoproteota class: thermoprotei order: desulfurococcales family: desulfurococcaceae genus: desulfurococcuszillig & stetter 1983 type species desulfurococcus mucosuszillig & stetter 1983 species d. amylolyticus d. fermentans d. kamchatkensis d. mobilis d. mucosus "d. saccharovorans"