prokaryotes - bacteria see Domain Bacteria Woese et al. 1990 Domain "Bacteria" Woese et al. 1990 Phylum "Actinobacteria" Garrity and Holt 2001 Class Rubrobacteria Suzuki 2013 Order Rubrobacterales Rainey et al. 1997 [monotypic] Suborder "Rubrobacterineae" Garrity & Holt, 2001 [monotypic] 1 Family Rubrobacteraceae Rainey et al. 1997 [monotypic]