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 †Ceratoikiscidae Holdsworth, 1969
           1 Genus †Ceratoikiscum Deflandre, 1953
           2 Genus †Circulaforma Cheng, 1986
           3 Genus †Glanta Wakamatsu, Sugiyama & Furutani, 1990
           4 Genus †Nazaromistonella Furutani, 1990