prokaryotes - bacteria see Domain Bacteria Woese et al. 1990 Domain "Bacteria" Woese et al. 1990 Phylum "Chloroflexi" Garrity and Holt 2001 Class Chloroflexia Gupta et al. 2013 Order Herpetosiphonales Gupta et al. 2013 [monotypic] 1 Family Herpetosiphonaceae Gupta et al. 2013 [monotypic]