[living organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Superkingdom Prokaryota Margulis 1974 nom. nud.
     Kingdom Bacteria Cavalier-Smith 2002 stat. inval. - bacteria see Domain Bacteria Woese et al. 1990 stat. inval.
       Subkingdom Posibacteria Cavalier-Smith 1987 see Domain Bacteria Woese et al. 1990 stat. inval.
         Phylum Chloroflexi Garrity and Holt 2002 stat. inval. see Phylum Chloroflexota Garrity and Holt 2021
           1 Class Anaerolineae Yamada et al. 2006 [monotypic]
           2 Class Caldilineae Yamada et al. 2006 [monotypic]
           3 Class Chloroflexia corrig. Gupta et al. 2013
           4 Class Dehalococcoidia Löffler et al. 2013 [monotypic]
           5 Class Ktedonobacteria corrig. Cavaletti et al. 2007
           6 Class Thermomicrobia Garrity and Holt 2002