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 Orosphaeridae Haeckel, 1887
           1 Genus Orodapis Friend & Riedel, 1967
           2 Genus Oropelex Friend & Riedel, 1967
           3 Genus Orosphaera Haeckel, 1887, nom. illeg.
           4 Genus Orostaurus Friend & Riedel, 1967