prokaryotes - bacteria see Domain Bacteria Woese et al. 1990
   Domain "Bacteria" Woese et al. 1990
     Phylum "Acidobacteria" Thrash and Coates 2012
       Class Blastocatellia Pascual et al. 2016
         Order Blastocatellales Pascual et al. 2016 [monotypic]
           Family Blastocatellaceae Pascual et al. 2016
             1 Genus Aridibacter Huber et al. 2014
             2 Genus Blastocatella Foesel et al. 2013