procaryotes
   Domain Bacteria Woese et al. 1990 stat. inval. see Domain Bacteria Woese et al. 2024
     Phylum Nitrospirae Garrity and Holt 2001 nom. inval. see Phylum Nitrospirota Garrity and Holt 2021
       1 Class "Nitrospira" "Garrity and Holt 2001" nom. nud. see Class Nitrospiria Garrity and Holt 2022