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
1 Family Sethophormididae Haeckel, 1881
2 Family †Bulbocyrtiidae Kozur & Mostler, 1981
3 Family Acropyramididae Haeckel, 1881
4 Family Lampromitridae Haeckel, 1881