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 †Haplentactiniidae Nazarov, 1980
           Subfamily †Haplentactiniinae Nazarov, 1980
             Genus †Wonella Afanasieva, 2000, nom. illeg. see Genus Munzuwonella Afanasieva, 2009