2278EuryarchaeotaPT2012-02-27 16:21:11BT2270ArchaeaPTNT2279ArchaeoglobiPTNT2280HalobacteriaPTNT2281MethanobacteriaPTNT2282MethanococciPTNT2283MethanomicrobiaPTNT2284MethanopyriPTNT2285ThermococciPTNT2286ThermoplasmataPT