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 Lychnocanioidea Haeckel, 1881
           Family †Spongolophophenidae Kozur & Mostler, 1994
             Genus †Maudia Carter, 1988, nom. illeg.