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 Oviformata Afanasieva & Amon, 2005
         Family Archaeospongoprunidae Pessagno, 1973
           1 Genus †Archaeospongoprunum Pessagno, 1973
           2 Genus Pararchaeospongoprunum Lahm, 1984
           3 Genus Spongoprunum Haeckel, 1887
           4 Genus †Wilvemia Pessagno, Blome & Hull, 1993