Acidianus infernus Dataset NCBI Taxonomy Rank SPECIES Classification kingdom Thermoproteati phylum Thermoproteota class Thermoprotei order Sulfolobales family Sulfolobaceae genus Acidianus species Acidianus infernus Name Synonyms Acidianus infernus Segerer et al. 1986 Homonyms Acidianus infernus Acidianus infernus Segerer et al. 1986