Archaea  >  Thermoproteati  >  Thermoproteota  >  Thermoprotei

Family	Genus	Species
Acidilobaceae	4	40
Caldisphaeraceae	1	5
Desulfurococcaceae	12	65
Fervidicoccaceae	1	5
Ignisphaeraceae	0	1
Pyrodictiaceae	5	21
Sulfolobaceae	10	149
Thermocladiaceae	0	1
Thermofilaceae	2	23
Thermoproteaceae	5	97