Phylum Radiolaria Müller, 1858 see Subphylum Radiozoa Cavalier-Smith, 1987
   Superclass Polycystina Ehrenberg, 1838 see Superclass Polycystinia Ehrenberg, 1838
     Class Sphaerellaria Haeckel, 1881
       Order Actinommata Haeckel, 1862
         Family Astrosphaeridae Haeckel, 1881
           01 Genus Arachnosphaera Haeckel, 1860
           02 Genus Astrosphaera Haeckel, 1887
           03 Genus Astrospongus Mast, 1910
           04 Genus Cladococcus Müller, 1856
           05 Genus Diplosphaera Haeckel, 1860
           06 Genus Drymosphaera Haeckel, 1881
           07 Genus Elaphococcus Haeckel, 1881
           08 Genus Haeckeliella Hollande & Enjumet, 1960
           09 Genus Haplosphaera Hollande & Enjumet, 1960
           10 Genus Heliosphaera Haeckel, 1860
           11 Genus Heteracantha Mast, 1910, nom. illeg. see Genus Anomalacantha Loeblich & Tappan, 1961
           12 Genus Hexancistra Haeckel, 1879
           13 Genus †Hexapyramis Squinabol, 1903
           14 Genus Leptosphaera Haeckel, 1887
           15 Genus Lychnosphaera Haeckel, 1881
           16 Genus Porococcus Hollande & Enjumet, 1960, nom. illeg.
           17 Genus Rhizoplegma Haeckel, 1881
           18 Genus Rhizospongus Mast, 1910
           19 Genus Thalassoplegma Hollande & Enjumet, 1960