pai	Pyrobaculum aerophilum	0
smr	Staphylothermus marinus	1
sin	Sulfolobus islandicus Y.N.15.51	2
pyn	Pyrococcus sp. NA2	3
mth	Methanothermobacter thermautotrophicus	4
mig	Methanotorris igneus	5
mcj	Methanosaeta concilii	6
hbo	Halogeometricum borinquense	7
csy	Cenarchaeum symbiosum A	8
tac	Thermoplasma acidophilum	9
mmp	Methanococcus maripaludis S2	10
mpd	Methanocella paludicola	11
kcr	Candidatus Korarchaeum cryptofilum	12
shc	Staphylothermus hellenicus	13
mhu	Methanospirillum hungatei	14