Phylum Chloroflexi Garrity and Holt 2001
   1.1 Chloroflexi Castenholz 2001 nom. inval. see Class Chloroflexia Gupta et al. 2013
   1.2 Genus Dehalococcoides nom. inval. see Genus Dehalococcoides Löffler et al. 2013
   2 Thermomicrobia Garrity and Holt 2001 see Class Thermomicrobia Garrity and Holt 2002