Subclass Radiolaria Müller, 1858 see Phylum Actinopoda Calkins, 1902
   Order Polycystina Ehrenberg, 1838 see Class Polycystina Ehrenberg, 1838
     Suborder Spumellaria Ehrenberg, 1875 see Class Spumellaria Ehrenberg, 1875
       Family Spongodiscidae Haeckel, 1862
         01 Genus Amphirhopalum Haeckel, 1881
         02 Genus Euchitonia Ehrenberg, 1860
         03 Genus Dictyocoryne Ehrenberg, 1860
         04 Genus Hymeniastrum Ehrenberg, 1847
         05 Genus Spongaster Ehrenberg, 1860
         06 Genus Stylodictya Ehrenberg, 1847
         07 Genus Porodiscus Haeckel, 1881
         08 Genus Stylochlamydium Haeckel, 1881
         09 Genus Spongopyle Dreyer, 1889
         10 Genus Spongotrochus Haeckel, 1860