Phylum Radiolaria Müller, 1858 see Subphylum Radiozoa Cavalier-Smith, 1987
   Superclass Polycystina Ehrenberg, 1838 see Superclass Polycystinia Ehrenberg, 1838
     Class Spumellaria Ehrenberg, 1875
       Order Capsulata Afanasieva & Amon, 2005
         Family Centrocubidaeᵀ Hollande & Enjumet, 1960
           01 Genus Arachnostylus Hollande & Enjumet, 1960
           02 Genus †Arcicubulus Dumitrica, 1983
           03 Genus Centrocubus Haeckel, 1887
           04 Genus Diplospongus Mast, 1910
           05 Genus Excentroconcha Mast, 1910
           06 Genus Gonosphaera Jørgensen, 1905
           07 Genus †Heptacladus Dumitrica, Kozur & Mostler, 1980
           08 Genus Lonchosphaera Popofsky, 1908
           09 Genus Octodendron Haeckel, 1887
           10 Genus †Pessagnulus Dumitrica, 1983
           11 Genus †Solicubulus Dumitrica, 1983
           12 Genus †Stauropylissa Dumitrica, 1989
           13 Genus †Welirella Dumitrica, Kozur & Mostler, 1980
           14 Genus Weverisphaera Kozur & Mostler, 1981