Desulfurococcus Tok Dataset NCBI Taxonomy Classification phylum Thermoproteota class Thermoprotei order Desulfurococcales family Desulfurococcaceae genus Desulfurococcus species Desulfurococcus sp.Tok Name Homonyms Desulfurococcus Desulfurococcus Tok Desulfurococcus Zillig and Stetter 1983