Subclass Radiolaria Müller, 1858 see Phylum Actinopoda Calkins, 1902
Count: -
   Order Polycystina Ehrenberg, 1838 see Class Polycystina Ehrenberg, 1838
  Count: -
     Suborder Spumellaria Ehrenberg, 1875 see Class Spumellaria Ehrenberg, 1875
    Count: 7f36g51s4ss
       Family Phacodiscidae Haeckel, 1881 see Subfamily Coccodiscinae Haeckel, 1862
      Count: -
         Genus Heliodiscus Haeckel, 1862
        Count: 1s
           1 Heliodiscus asteriscus Haeckel, 1887
          Count: -