the root (no rank)
Archaea (domain)
Crenarchaeota (phylum)
Sulfolobales (order)
Sulfolobaceae (family)
[hide inferior taxa]
Acidianus (genus)
Desulfurolobus ambivalens (species)
Metallosphaera sedula (species)
Stygiolobus azoricus (species)
Sulfolobus (genus)
Sulfurisphaera ohwakuensis (species)