prokaryotes - bacteria see Domain Bacteria Woese et al. 1990 stat. inval.
   Domain "Archaea" Woese et al. 1990 stat. inval. see Domain Archaea Woese et al. 2024
     Phylum "Nanoarchaeota" Huber et al. 2002 nom. inval. [monotypic] see Phylum Nanobdellota Huber et al. 2023
       Genus "Nanoarchaeum" Huber et al. 2002 nom. inval.