[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
         1 †Plannapus hornibrooki O'Connor, 1999
         2 †Plannapus mauricei O'Connor, 1999
         3 †Plannapus microcephalus O'Connor, 1999