Class Actinopoda Calkins, 1902 see Parvkingdom Actinopoda Calkins, 1902
Count: 4o;45f;59g; †3o;87f;170g
   Subclass Radiolaria Müller, 1858 see Phylum Actinopoda Calkins, 1902
  Count: 4o;45f;59g; †3o;87f;170g
     Superorder Polycystina Ehrenberg, 1838 see Class Polycystinea Ehrenberg, 1838
    Count: [f†f] 4o;45f;59g; †3o;87f;170g
       Order Entactinaria Kozur & Mostler, 1982 see Order Entactiniata Kozur & Mostler, 1982
      Count: [f†f] 8f; †16f
         Family Saturnalidae Deflandre, 1953
        Count: 13g; †8g
           Subfamily Saturnalinae Deflandre, 1953
          Count: [g] 8g [24 Sep 2018]
             1 Genus Acanthocircus Squinabol, 1903
            Count: -
             2 Genus Aurisaturnalis Dumitrica & Dumitrica-Jud, 1994
            Count: -
             3 Genus Praeacanthocircus Kozur & Mostler, 1983
            Count: -
             4 Genus Pseudacanthocircus Kozur & Mostler, 1990
            Count: -
             5 Genus Saturnalisᵀ Haeckel, 1881
            Count: -
             6 Genus Spinoellipsella Kozur & Mostler, 1990
            Count: -
             7 Genus Spongosaturninus Campbell & Clark, 1944
            Count: -
             8 Genus Vitorfus Pessagno, 1977
            Count: -