Phylum Radiolaria Müller, 1858
see Subphylum Radiozoa Cavalier-Smith, 1987
Superclass Polycystina Ehrenberg, 1838
see Superclass Polycystinia Ehrenberg, 1838
Class Nassellaria Ehrenberg, 1847
Order Cyrtidinata Haeckel, 1862
Superfamily Acropyramidoidea Haeckel, 1881
Family Sethophormididae Haeckel, 1881
Subfamily Enneaphormidinae Petrushevskaya, 1981
1 Genus Enneaphormis Haeckel, 1881
2 Genus Protoscenium Jørgensen, 1905