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 Trissocyclidae Haeckel, 1881 see Family Acanthodesmiidae Haeckel, 1862 Genus Phormospyris Haeckel, 1881 Phormospyris stabilis (Goll) Phormospyris stabilis scaphipes (Haeckel)