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 Actinommidae Haeckel, 1862
      Count: 7g12s2ss
         Genus Stylatractus Haeckel, 1887
        Count: -