prokaryotes - bacteria see Domain Bacteria Woese et al. 1990 stat. inval.
   Domain "Bacteria" Woese et al. 1990 stat. inval. see Domain Bacteria Woese et al. 2024
     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 Ardenticatenia Kawaichi et al. 2013 [monotypic]
       3 Class Caldilineae Yamada et al. 2006 [monotypic]
       4 Class Chloroflexia corrig. Gupta et al. 2013
       5 Class Ktedonobacteria corrig. Cavaletti et al. 2007
       6 Class Thermoflexia Dodsworth et al. 2014 [monotypic]
       7 Class Thermomicrobia Garrity and Holt 2002 [monotypic]