pai	Pyrobaculum aerophilum	0
smr	Staphylothermus marinus	1
sin	Sulfolobus islandicus Y.N.15.51	2
pyn	Pyrococcus sp. NA2	3
mel	Methanobacterium sp. AL-21	4
fpl	Ferroglobus placidus	5
mac	Methanosarcina acetivorans	6
nmg	Natrialba magadii	7
csy	Cenarchaeum symbiosum A	8
pto	Picrophilus torridus	9
mmp	Methanococcus maripaludis S2	10
mpd	Methanocella paludicola	11
kcr	Candidatus Korarchaeum cryptofilum	12
hbu	Hyperthermus butylicus	13
mla	Methanocorpusculum labreanum	14