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 Stauraxonaria Afanasieva & Amon, 2005
    Count: [g†g] 5o;11f;59g; †3o;25f;129g [6 Sep 2018]
       Order Oviformata Afanasieva & Amon, 2005
      Count: [g†g] 1f;2g; †4f;12g [31 Aug 2018]
         1 Family †Spongolonchidaeᵀ Afanasieva & Amon, 2005
        Count: [†g] †2g [30 Aug 2018]
         2 Family †Staurodruppidae Afanasieva, 2000
        Count: [†g] †2g [30 Aug 2018]
         3 Family †Gomberellidae Kozur & Mostler, 1981
        Count: [†g] †4g [30 Aug 2018]
         4 Family Archaeospongoprunidae Pessagno, 1973
        Count: [g†g] 2g; †2g [31 Aug 2018]
         5 Family †Phaseliformidae Pessagno, 1972
        Count: [†g] †2g [31 Aug 2018]