Phylum Radiolaria Müller, 1858 see Subphylum Radiozoa Cavalier-Smith, 1987
   Superclass Polycystina Ehrenberg, 1838 see Superclass Polycystinia Ehrenberg, 1838
     Class Stauraxonaria Afanasieva & Amon, 2005
       Order †Pyramidata Afanasieva & Amon, 2005
         Family †Ruzhencevispongidae Kozur, 1980
           Subfamily †Ruzhencevisponginae Kozur, 1980
             1 Genus †Foremanhelena De Wever & Caridroit, 1984
             2 Genus †Ruzhencevispongus Kozur, 1980