Phylum Radiolaria Müller, 1858 see Subphylum Radiozoa Cavalier-Smith, 1987
   Superclass Polycystina Ehrenberg, 1838 see Superclass Polycystinia Ehrenberg, 1838
     Class Sphaerellaria Haeckel, 1881
       Order Sphaerellata Haeckel, 1887
         Family †Pantanelliidae Pessagno, 1977
           Subfamily †Capnodocinae Pessagno, 1979
             1 Genus †Capnodoce De Wever, 1979
             2 Genus †Justium Blome, 1983
             3 Genus †Loffa Pessagno, 1979
             4 Genus †Renzium Blome, 1983