Subclass Radiolaria Müller, 1858
see Phylum Actinopoda Calkins, 1902
Order Polycystina Ehrenberg, 1838
see Class Polycystina Ehrenberg, 1838
Suborder Nassellaria Ehrenberg, 1875
see Class Nassellaria Ehrenberg, 1847
Family Theoperidae Haeckel, 1881
Genus Pterocanium Ehrenberg, 1847
1 Pterocanium korotnevi (Dogiel, 1952)
2 Pterocanium praetextum (Ehrenberg, 1872)
3 Pterocanium trilobum (Haeckel, 1860)
see Pterocanium charybdeum trilobum (Haeckel, 1860)
4 Pterocanium grandiporus Nigrini, 1968