prokaryotes - bacteria see Domain Bacteria Woese et al. 1990
   Domain "Bacteria" Woese et al. 1990
     Phylum "Actinobacteria" Garrity and Holt 2001
       Class Actinobacteria Stackebrandt et al. 1997
         Order Kineosporiales Kämpfer 2015 [monotypic]
           Family Kineosporiaceae Zhi et al. 2009
             Genus Quadrisphaera Maszenan et al. 2005