Phylum Radiolaria Müller, 1858 see Subphylum Radiozoa Cavalier-Smith, 1987
   Superclass Polycystina Ehrenberg, 1838 see Superclass Polycystinia Ehrenberg, 1838
     Class Stauraxonaria Afanasieva & Amon, 2005
       Order Lobatiradiata Afanasieva & Amon, 2005
         [Family †Angulobracchidaeᵀ Afanasieva, Amon & Vishnevskaya, 2004, nom. null.] see Family Angulobracchiidae Baumgartner, 1980