Domain Bacteria Woese et al. 1990
   Phylum Chloroflexi Garrity and Holt 2001
     Class "Chloroflexi" Castenholz 2001 nom. inval. see Class Chloroflexia Gupta et al. 2013
       Order "Chloroflexales" Castenholz 2001 nom. nud. see Order Chloroflexales Gupta et al. 2013
         Family "Chloroflexaceae" Pierson 2001 nom. nud. see Family Chloroflexaceae Gupta et al. 2013
           Genus Chloronema Dubinina and Gorlenko 1975 (Approved Lists 1980)
           Genus Heliothrix Pierson et al. 1986
           Genus Oscillochloris Gorlenko and Pivovarova 1989
           1 Genus Chloroflexus Pierson and Castenholz 1974 (Approved Lists 1980)