Phylum Radiolaria Müller, 1858 see Subphylum Radiozoa Cavalier-Smith, 1987
Count: [g†g] 5c;15o;48f;453g; †1c;11o;84f;674g;1s [2 Oct 2018]
   Superclass Polycystina Ehrenberg, 1838 see Superclass Polycystinia Ehrenberg, 1838
  Count: [g†g] 5c;15o;48f;453g; †1c;11o;84f;674g;1s [2 Oct 2018]
     Class Sphaerellaria Haeckel, 1881
    Count: [g†g] 4o;6f;48g; †2o;8f;84g;1s [25 Aug 2018]
       Order Hexalonchata Haeckel, 1881
      Count: [g†g] 1f;6g; †1f;3g [25 Aug 2018]
         1 Family †Kungalariidae Dumitrica & Carter, 1999
        Count: [†g] †3g [24 Aug 2018]
         2 Family Hexalonchidae Haeckel, 1881
        Count: [g] 6g [25 Aug 2018]