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 "Herpetosiphonales" Castenholz 2001 nom. nud. see Order Herpetosiphonales Gupta et al. 2013
         1 Family "Herpetosiphonaceae" Castenholz 2001 nom. nud. see Family Herpetosiphonaceae Gupta et al. 2013