Sulfolobus hakonensis Takayanagi et al. 1996 Dataset NCBI Taxonomy Classification kingdom Thermoproteati phylum Thermoproteota class Thermoprotei order Sulfolobales family Sulfolobaceae genus Metallosphaera species Metallosphaera hakonensis Name Homonyms Sulfolobus hakonensis Takayanagi et al. 1996 Sulfolobus hakonensis