prokaryotes - bacteria see Domain Bacteria Woese et al. 1990 Domain "Bacteria" Woese et al. 1990 Phylum "Actinobacteria" Garrity and Holt 2001 Class Acidimicrobiia Norris 2013 [monotypic] 1 Order Acidimicrobiales Stackebrandt et al. 1997 [monotypic]