Phylum Radiolaria Müller, 1858 see Subphylum Radiozoa Cavalier-Smith, 1987
   Superclass Polycystina Ehrenberg, 1838 see Superclass Polycystinia Ehrenberg, 1838
     Class Spumellaria Ehrenberg, 1875
       Order Cancelliata Afanasieva & Amon, 2003
         Family †Polyentactiniidae Nazarov, 1975
           Subfamily †Polyentactiniinae Nazarov, 1975
             1 Genus †Cuboctostylus Bragina, 1999
             2 Genus †Polyentactinia Foreman, 1963
             3 Genus †Pyloctostylus Dumitrica, 1994