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
         Family Ultranaporidae Pessagno, 1977 see Subfamily Ultranaporinae Pessagno, 1977
        Count: [g] 11g [29 Sep 2018]
           Genus Pterocanium Ehrenberg, 1847
          Count: -