Domain Bacteria Woese et al. 1990 stat. inval. see Domain Bacteria Woese et al. 2024
   candidate phyla radiation (CPR) Brown et al. 2015
     Superphylum Candidatus Parcubacteria (OD1) Brown et al. 2015 nom. nud.
       1.1 Phylum Candidatus Falkowbacteria (sic) Brown et al. 2015 nom. nud.
       1.2.1 Phylum Candidatus Kuenenbacteria (sic) Brown et al. 2015 nom. nud.
       1.2.2.1 Phylum Candidatus Magasanikbacteria (sic) Brown et al. 2015 nom. nud.
       1.2.2.2 Phylum Candidatus Uhrbacteria (sic) Brown et al. 2015 nom. nud.
       2.1 Phylum Candidatus Moranbacteria (OD1-i) (sic) Brown et al. 2015 nom. nud.
       2.2.1.1 Phylum Candidatus Azambacteria (sic) Brown et al. 2015 nom. nud.
       2.2.1.2.1 Phylum Candidatus Yanofskybacteria (sic) Brown et al. 2015 nom. nud.
       2.2.1.2.2.1 Phylum Candidatus Jorgensenbacteria (sic) Brown et al. 2015 nom. nud.
       2.2.1.2.2.2 Phylum Candidatus Wolfebacteria (sic) Brown et al. 2015 nom. nud.
       2.2.2.1 Phylum Candidatus Giovannonibacteria (sic) Brown et al. 2015 nom. nud.
       2.2.2.2.1 Phylum Candidatus Nomurabacteria (sic) Brown et al. 2015 nom. nud.
       2.2.2.2.2.1 Phylum Candidatus Campbellbacteria (sic) Brown et al. 2015 nom. nud.
       2.2.2.2.2.2.1 Phylum Candidatus Adlerbacteria (sic) Brown et al. 2015 nom. nud.
       2.2.2.2.2.2.2.1 Candidatus Sonnebornia yantaiensis Gong et al. 2014 nom. pro-inval. see Sonnebornia yantaiensis Gong et al. 2020
       2.2.2.2.2.2.2.2 Phylum Candidatus Kaiserbacteria (sic) Brown et al. 2015 nom. nud.