Phylum Radiolaria Müller, 1858 see Subphylum Radiozoa Cavalier-Smith, 1987
   Superclass Polycystina Ehrenberg, 1838 see Superclass Polycystinia Ehrenberg, 1838
     Class †Aculearia Afanasieva, 1999
       Order †Triangulata Afanasieva & Amon, 2003
         Family †Raphidociclicidae Afanasieva, 1999
           1 Genus †Helenifore Nazarov & Ormiston, 1983
           2 Genus †Protoceratoikiscum Goto, Umeda & Ishiga, 1992
           3 Genus †Raphidociclicus Nazarov & Rudenko, 1981