Phylum Radiolaria Müller, 1858 see Subphylum Radiozoa Cavalier-Smith, 1987
   Superclass Polycystina Ehrenberg, 1838 see Superclass Polycystinia Ehrenberg, 1838
     Class Spumellaria Ehrenberg, 1875
       Order Capsulata Afanasieva & Amon, 2005
         Family Rhizosphaeridae Haeckel, 1881
           1 Genus Elatommura Haeckel, 1887
           2 Genus Haliomma Ehrenberg, 1839
           3 Genus Haliommilla Haeckel, 1887
           4 Genus Rhizosphaera Haeckel, 1860