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
           1 Subfamily †Capnuchosphaerinae De Wever, 1979
           2 Subfamily †Capnodocinae Pessagno, 1979
           3 Subfamily †Pantanelliinae Pessagno, 1977