[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Domain "Archaea" Woese et al. 1990
     Phylum "Euryarchaeota" Garrity and Holt 2001
       Class "Methanomicrobia"
         Order Methanosarcinales Boone et al. 2002
           Family Methanosaetaceae Boone et al. 2002 nom. illeg.
             Genus Methanosaeta Patel and Sprott 1990 nom. illeg. see Genus Methanothrix Huser et al. 1983
               "Methanosaeta thermophila" (Kamagata et al., 1992) Boone & Kamagata, 1998 see Methanosaeta thermophila (Kamagata et al. 1992) Boone and Kamagata 1998