prokaryotes - bacteria see Domain Bacteria Woese et al. 1990 Domain "Bacteria" Woese et al. 1990 Phylum "Chloroflexi" Garrity and Holt 2001 Class Thermomicrobia Garrity and Holt 2002 [monotypic] Subclass Sphaerobacteridae Stackebrandt et al. 1997 Order Sphaerobacterales Stackebrandt et al. 1997 [monotypic] 1 Suborder "Sphaerobacterineae" Garrity et al., 2003 [monotypic]