[Class] Polycystinea Ehrenberg, 1838 - polycystines see Superclass Polycystinia Ehrenberg, 1838 Order Nassellaria Ehrenberg, 1875 see Class Nassellaria Ehrenberg, 1847 Family Artostrobiidae Riedel, 1967 Genus †Plannapus O'Connor, 1997 †Plannapus microcephalus O'Connor, 1999