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 Nassellaria Ehrenberg, 1875 see Class Nassellaria Ehrenberg, 1847
      Count: [f†f] 19f; †35f
         Superfamily Acanthodesmiacea Haeckel, 1862 see Order Spyridinata Ehrenberg, 1847
        Count: [g] 3f;49g [26 Sep 2018]
           Family Acanthodesmiidae Haeckel, 1862
          Count: [g] 21g [25 Sep 2018]
             Genus Tricyclidium Haeckel, 1881
            Count: -