[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Domain Bacteria Woese et al. 1990 stat. inval. see Domain Bacteria Woese et al. 2024
     Phylum Deinococcus-Thermus Weisburg et al. 1989 nom. nud. see Phylum Deinococcota Weisburg et al. 2021
       Class Deinococci Garrity and Holt 2002
         Order Thermales Rainey and da Costa 2002
           Family Thermaceae da Costa and Rainey 2002
             Genus Meiothermus Nobre et al. 1996
               Meiothermus ruber (Loginova et al. 1984) Nobre et al. 1996