[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   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 Chloroflexus Pierson and Castenholz 1974 (Approved Lists 1980)
               1 Chloroflexus aurantiacus Pierson and Castenholz 1974 (Approved Lists 1980)
               2 Chloroflexus aggregans Hanada et al. 1995