Subclass Radiolaria Müller, 1858 see Phylum Actinopoda Calkins, 1902
Status: extant; Count: -
   Order Polycystina Ehrenberg, 1838 see Class Polycystina Ehrenberg, 1838
  Status: extant; Count: -
     Suborder Spumellaria Ehrenberg, 1875 see Class Spumellaria Ehrenberg, 1875
    Status: extant; Count: 7f36g51s4ss
       Family Actinommidae Haeckel, 1862
      Status: extant; Count: 7g12s2ss
         1 Genus Actinomma Haeckel, 1860
        Status: extant; Count: -
         2 Genus Anomalacantha Loeblich & Tappan, 1961
        Status: extant; Count: 1s
         3 Genus Cenosphaera Ehrenberg, 1854
        Status: extant; Count: 2s
         4 Genus Hexacontium Haeckel, 1881
        Status: extant; Count: -
         5 Genus Ommatartus Haeckel, 1881
        Status: extant; Count: 1s2ss
         6 Genus Stylatractus Haeckel, 1887
        Status: extant; Count: -
         7 Genus Axoprunum Haeckel, 1887
        Status: extant; Count: -