procaryotes 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 1 Genus Chloroflexus Pierson and Castenholz 1974 (Approved Lists 1980) 2 Genus Chloronema Dubinina and Gorlenko 1975 (Approved Lists 1980) 3 Genus Heliothrix Pierson et al. 1986 4 Genus Oscillochloris Gorlenko and Pivovarova 1989