procaryotes
   Domain Bacteria Woese et al. 1990 stat. inval. see Domain Bacteria Woese et al. 2024
     Phylum Thermotogae Reysenbach 2001 nom. inval. [monotypic] see Phylum Thermotogae Reysenbach 2002 stat. inval.
       1 Class Thermotogae Reysenbach 2001 nom. inval. [monotypic] see Class Thermotogae Reysenbach 2002