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 Archipilioidea Haeckel, 1881
Family Cystidiidae Haeckel, 1883
1 Genus Cystidium Hertwig, 1879
2 Genus Nassella Haeckel, 1887
3 Genus Paracystidium Cachon & Cachon, 1969