Polycystinea Ehrenberg, 1838 - polycystines see Superclass Polycystinia Ehrenberg, 1838 Nassellaria Ehrenberg, 1875 see Class Nassellaria Ehrenberg, 1847 Theoperidae Haeckel, 1881 Artopilium Haeckel, 1881 Artopilium undulatum Popofsky, 1913