[Class] Polycystinea Ehrenberg, 1838 - polycystines see Superclass Polycystinia Ehrenberg, 1838 Order Spumellaria Ehrenberg, 1875 see Class Spumellaria Ehrenberg, 1875 Family Litheliidae Haeckel, 1862 Genus †Lithocarpium Stöhr, 1880 †Lithocarpium fragilis (Stöhr, 1880)