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 Lampromitridae Haeckel, 1881
Subfamily Lithocampaninae Petrushevskaya, 1981
1 Genus †Acidnomelos Foreman, 1968
2 Genus Botryopera Haeckel, 1887
3 Genus Ceratarachnium Haeckel, 1887
see Genus Cornutellium Haeckel, 1881
4 Genus Cornutanna Haeckel, 1881
5 Genus Cornutella Ehrenberg, 1839
6 Genus Cornutosa Haeckel, 1881
7 Genus Cornutura Haeckel, 1881
8 Genus Lithocampana Clark & Campbell, 1942
9 Genus Trisulcus Popofsky, 1913, nom. illeg.