"Sulfolobus islandicus" Zillig et al. 1994 Dataset NCBI Taxonomy Classification phylum Thermoproteota class Thermoprotei order Sulfolobales family Sulfolobaceae genus Sulfolobus species Sulfolobus islandicus Name Homonyms Sulfolobus islandicus "Sulfolobus islandicus" Zillig et al. 1994