[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Domain "Archaea" Woese et al. 1990
     Phylum "Crenarchaeota" Garrity and Holt 2001
       Class Thermoprotei Reysenbach 2002
         Order Sulfolobales Stetter 1989
           Family Sulfolobaceae Stetter 1989
             Genus Sulfurococcus Golovacheva et al. 1995
               1 Sulfurococcus mirabilis Golovacheva et al. 1995
               2 Sulfurococcus yellowstonensis corrig. Karavaiko et al. 1995