Phylum Radiolaria Müller, 1858 see Subphylum Radiozoa Cavalier-Smith, 1987
   Superclass Polycystina Ehrenberg, 1838 see Superclass Polycystinia Ehrenberg, 1838
     Class Nassellaria Ehrenberg, 1847
       Order Cyrtidinata Haeckel, 1862
         Superfamily Archipilioidea Haeckel, 1881
           Family Sethoperidae Haeckel, 1881
             Subfamily Tetraplectinae Haeckel, 1881
               1 Genus Enneaplegma Haeckel, 1881
               2 Genus Polyplecta Haeckel, 1887
               3 Genus Tetraplecta Haeckel, 1881
               4 Genus Plectaniscus Haeckel, 1887