AY800210	Archaea;Euryarchaeota;Halobacteriales;uncultured
EU883771	Archaea;Euryarchaeota;Methanomicrobiales;Methanomicrobium et rel.
EF503699	Archaea;Crenarchaeota;uncultured;uncultured
DQ260310	Archaea;Euryarchaeota;Methanobacteriales;Methanobacterium
EF503697	Archaea;Crenarchaeota;uncultured;uncultured