prokaryotes - bacteria see Domain Bacteria Woese et al. 1990
   Domain "Bacteria" Woese et al. 1990
     Phylum "Planctomycetes" Garrity and Holt 2001
       Class "Planctomycetacia" [monotypic]
         Order Planctomycetales Schlesner and Stackebrandt 1987 [monotypic]
           Family Planctomycetaceae Schlesner and Stackebrandt 1987
             Genus Rubinisphaera Scheuner et al. 2015