[Class] Polycystinea Ehrenberg, 1838 - polycystines see Superclass Polycystinia Ehrenberg, 1838 Order Nassellaria Ehrenberg, 1875 see Class Nassellaria Ehrenberg, 1847 Family Carpocaniidae Haeckel, 1881 Genus †Carpocanium Ehrenberg, 1847 †Carpocanium kinugasense Nishimura, 1990