Class Actinopoda Calkins, 1902 see Parvkingdom Actinopoda Calkins, 1902
   Subclass Radiolaria Müller, 1858 see Phylum Actinopoda Calkins, 1902
     Superorder Polycystina Ehrenberg, 1838 see Class Polycystinea Ehrenberg, 1838
       Order †Albaillellaria Deflandre, 1953 see Order Albaillellata Deflandre, 1953
         Family †Palacantholithidae Kozur & Mostler, 1981
           Genus †Xiphocladiella Deflandre, 1973