[Class] Polycystinea Ehrenberg, 1838 - polycystines see Superclass Polycystinia Ehrenberg, 1838 Order Spumellaria Ehrenberg, 1875 see Class Spumellaria Ehrenberg, 1875 Family Tholoniidae Haeckel, 1887 Genus Cubotholus Haeckel, 1887 Cubotholus octoceras Haeckel, 1887