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 †Radiiformata Afanasieva & Amon, 2005
         Family †Deflandrellidae De Wever & Caridroit, 1984, nom. illeg. [monotypic] see Family Cauletellidae Caridroit, De Wever & Dumitrica, 1999
           1 Genus †Deflandrella De Wever & Caridroit, 1984, nom. illeg. see Genus Cauletella Caridroit, De Wever & Dumitrica, 1999