(('Pyrobaculum aerophilum',('Aeropyrum pernix','Sulfolobus solfataricus')),((('Methanococcus jannaschii','Methanobacterium thermoautotrophicum'),(((('Haloarcula marismortui','Halobacterium sp.'),'Methanosarcina barkeri'),'Archaeoglobus fulgidus'),('Thermoplasma acidophilum','Ferroplasma acidarinanus'))),('Pyrococcus furiosus',('Pyrococcus abyssi','Pyrococcus horikoshii'))));
(('Pyrobaculum aerophilum',('Aeropyrum pernix','Sulfolobus solfataricus')),(('Pyrococcus furiosus',('Pyrococcus abyssi','Pyrococcus horikoshii')),(('Methanococcus jannaschii','Methanobacterium thermoautotrophicum'),('Archaeoglobus fulgidus',((('Haloarcula marismortui','Halobacterium sp.'),'Methanosarcina barkeri'),('Thermoplasma acidophilum','Ferroplasma acidarinanus'))))));