Domain Bacteria Woese et al. 1990 stat. inval. see Domain Bacteria Woese et al. 2024
   1 Phylum Candidatus TM6 see Phylum Dependentiae (sic) Yeoh et al. 2016 nom. pro-inval.
   2.1 Phylum Candidatus SR1 see Phylum Absconditabacteria (sic) Hug et al. 2016 nom. pro-inval.
   2.2 candidate phyla radiation (CPR) Brown et al. 2015