Procaryotic Genera Domain "Bacteria" Woese et al. 1990 Phylum Chloroflexi Garrity and Holt 2001 [monotypic] Class "Chloroflexi" Castenholz 2001 nom. inval. see Class Chloroflexia Gupta et al. 2013 Order "Herpetosiphonales" Castenholz 2001 nom. nud. [monotypic] see Order Herpetosiphonales Gupta et al. 2013 Family "Herpetosiphonaceae" Castenholz 2001 nom. nud. [monotypic] see Family Herpetosiphonaceae Gupta et al. 2013 1 Genus Herpetosiphon Holt and Lewin 1968 (Approved Lists 1980)