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 Stichocapsoidea Haeckel, 1881
           Family †Bagotidae Pessagno & Whalen, 1982
             1 Genus †Bagotum Pessagno & Whalen, 1982
             2 Genus †Broctus Pessagno & Whalen, 1982
             3 Genus †Canutus Pessagno & Whalen, 1982, nom. illeg.
             4 Genus †Droltus Pessagno & Whalen, 1982
             5 Genus †Noritus Pessagno & Whalen, 1982