Phylum Radiolaria Müller, 1858 see Subphylum Radiozoa Cavalier-Smith, 1987
   Superclass Polycystina Ehrenberg, 1838 see Superclass Polycystinia Ehrenberg, 1838
     Class Nassellaria Ehrenberg, 1847
       Order Cyrtidinata Haeckel, 1862
         Superfamily Acropyramidoidea Haeckel, 1881
           1 Family Sethophormididae Haeckel, 1881
           2 Family †Bulbocyrtiidae Kozur & Mostler, 1981
           3 Family Acropyramididae Haeckel, 1881
           4 Family Lampromitridae Haeckel, 1881