[Class] Polycystinea Ehrenberg, 1838 - polycystines see Superclass Polycystinia Ehrenberg, 1838 Order Nassellaria Ehrenberg, 1875 see Class Nassellaria Ehrenberg, 1847 Family Collosphaeridae Müller, 1858 Genus Sphaerozoum Meyen, 1834 1 †Sphaerozoum crassus Goll, 1980 2 Sphaerozoum punctatum (Huxley, 1851)