[Class] Polycystinea Ehrenberg, 1838 - polycystines see Superclass Polycystinia Ehrenberg, 1838 Order Spumellaria Ehrenberg, 1875 see Class Spumellaria Ehrenberg, 1875 Family Actinommidae Haeckel, 1862 Genus Cromyomma Haeckel, 1862 1 Cromyomma circumtextum Haeckel, 1887 2 †Cromyomma riedeli Nishimura, 1992 3 Cromyomma villosum Haeckel, 1887