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