prokaryotes - bacteria see Domain Bacteria Woese et al. 1990 Domain "Bacteria" Woese et al. 1990 Phylum "Chloroflexi" Garrity and Holt 2001 Class Thermoflexia Dodsworth et al. 2014 [monotypic] Order Thermoflexales Dodsworth et al. 2014 [monotypic] 1 Family Thermoflexaceae Dodsworth et al. 2014 [monotypic]