prokaryotes - bacteria see Domain Bacteria Woese et al. 1990
   Domain "Bacteria" Woese et al. 1990
     Phylum "Actinobacteria" Garrity and Holt 2001
       1 Class Acidimicrobiia Norris 2013 [monotypic]
       2 Class Actinobacteria Stackebrandt et al. 1997
       3 Class Coriobacteriia König 2013
       4 Class Nitriliruptoria Ludwig et al. 2013
       5 Class Rubrobacteria Suzuki 2013
       6 Class Thermoleophilia Suzuki and Whitman 2013 [monotypic]