prokaryotes - bacteria see Domain Bacteria Woese et al. 1990
   Domain "Bacteria" Woese et al. 1990
     Phylum "Acidobacteria" Thrash and Coates 2012
       Class Holophagae Fukunaga et al. 2008
         1 Order Acanthopleuribacterales Fukunaga et al. 2008 [monotypic]
         2 Order Holophagales Fukunaga et al. 2008 [monotypic]