Phylum Radiolaria Müller, 1858 see Subphylum Radiozoa Cavalier-Smith, 1987 Superclass Polycystina Ehrenberg, 1838 see Superclass Polycystinia Ehrenberg, 1838 Class Nassellaria Ehrenberg, 1847 Order Spyridinata Ehrenberg, 1847 Family Acanthodesmiidae Haeckel, 1862 Subfamily Acanthodesmiinae Haeckel, 1862 Genus Eucoronis Haeckel, 1881