prokaryotes - bacteria see Domain Bacteria Woese et al. 1990 Domain "Bacteria" Woese et al. 1990 Phylum "Chloroflexi" Garrity and Holt 2001 Class Ktedonobacteria corrig. Cavaletti et al. 2007 Order Ktedonobacterales corrig. Cavaletti et al. 2007 1 Family Ktedonobacteraceae corrig. Cavaletti et al. 2007 [monotypic] 2 Family Thermosporotrichaceae Yabe et al. 2010 [monotypic]