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 Collodaria Haeckel, 1881
    Count: [g] 3f;15g [2 Oct 2018]
       Family Sphaerozoidae Haeckel, 1862
      Count: [g] 4g [1 Oct 2018]
         Genus Sphaerozoum Meyen, 1834
        Count: -