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 1 Order Chloroflexales Gupta et al. 2013 2 Order Herpetosiphonales Gupta et al. 2013 [monotypic] 3 Order Kallotenuales Cole et al. 2013 [monotypic]