Phylum Radiolaria Müller, 1858 see Subphylum Radiozoa Cavalier-Smith, 1987
   Superclass Polycystina Ehrenberg, 1838 see Superclass Polycystinia Ehrenberg, 1838
     Class Spumellaria Ehrenberg, 1875
       Order Saturnalata Afanasieva & Amon, 2005
         Family Saturnalidaeᵀ Deflandre, 1953
           Subfamily †Hexasaturnalinae Kozur & Mostler, 1983
             1 Genus †Dicerosaturnalis Dumitrica & Dumitrica-Jud, 1994
             2 Genus †Eospongosaturninus Kozur & Mostler, 1990
             3 Genus †Hexasaturnalis Kozur & Mostler, 1983
             4 Genus †Octosaturnalis Kozur & Mostler, 1990