pai	Pyrobaculum aerophilum	0
smr	Staphylothermus marinus	1
sim	Sulfolobus islandicus M.16.27	2
pyn	Pyrococcus sp. NA2	3
mel	Methanobacterium sp. AL-21	4
tsi	Thermococcus sibiricus	5
mma	Methanosarcina mazei	6
hwa	Haloquadratum walsbyi	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