Class Actinopoda Calkins, 1902 see Parvkingdom Actinopoda Calkins, 1902
Count: 4o;45f;59g; †3o;87f;170g
   Subclass Radiolaria Müller, 1858 see Phylum Actinopoda Calkins, 1902
  Count: 4o;45f;59g; †3o;87f;170g
     Superorder Polycystina Ehrenberg, 1838 see Class Polycystinea Ehrenberg, 1838
    Count: [f†f] 4o;45f;59g; †3o;87f;170g
       Order Spumellaria Ehrenberg, 1875 see Class Spumellaria Ehrenberg, 1875
      Count: [f†f] 15f;59g; †23f;110g
         Superfamily Actinommacea Haeckel, 1862 [polyphyletic?] see Order Actinommata Haeckel, 1862
        Count: [g†g] 6f;56g; †6f;54g [16 Aug 2018]
           Actinommacea with single medullary shell
          Count: [g†g] 2f;25g; †5f;47g [16 Aug 2018]
             Family †Parvivaccidae Pessagno & Yang, 1989
            Count: [†g] †15g [15 Aug 2018]
               Subfamily †Heleninae Hull, 1997
              Count: [†g] †2g [15 Aug 2018]
                 Genus †Tappanella Hull, 1997, nom. illeg.
                Count: -