the root (no rank)
Archaea (domain)
Crenarchaeota (phylum)
Thermoproteales (order)
Desulfurococcaceae (family)
Desulfurococcus (genus)
[hide inferior taxa]
Desulfurococcus amylolyticus (species)
Desulfurococcus kamchatkensis (species)
Desulfurococcus mobilis (species)
Desulfurococcus sp. (species)