[Class] Polycystinea Ehrenberg, 1838 - polycystines
see Superclass Polycystinia Ehrenberg, 1838
Order Spumellaria Ehrenberg, 1875
see Class Spumellaria Ehrenberg, 1875
Family Litheliidae Haeckel, 1862
Genus Lithelius Haeckel, 1860
1 †Lithelius foremanae Sanfilippo, 1973
2 Lithelius minor Jørgensen, 1900
3 Lithelius nautiloides Popofsky, 1908
4 †Lithelius spiralis Haeckel, 1860