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 †Heliosaturnalinae Kozur & Mostler, 1972
             1 Genus †Heliosaturnalis Kozur & Mostler, 1972
             2 Genus †Palaeosaturnalis Donofrio & Mostler, 1978
             3 Genus †Parasaturnalis Kozur & Mostler, 1972
             4 Genus †Praehexasaturnalis Kozur & Mostler, 1983
             5 Genus †Pseudoheliodiscus Kozur & Mostler, 1972
             6 Genus †Spongosaturnaloides Kozur & Mostler, 1972
             7 Genus †Stauracanthocircus Kozur & Mostler, 1983