[Class] Polycystinea Ehrenberg, 1838 - polycystines see Superclass Polycystinia Ehrenberg, 1838
   Order Nassellaria Ehrenberg, 1875 see Class Nassellaria Ehrenberg, 1847
     Family Trissocyclidae Haeckel, 1881 see Family Acanthodesmiidae Haeckel, 1862
       Genus Nephrospyris Haeckel, 1887 see Genus Nephrodictyum Haeckel, 1881
         1 Nephrospyris knutheieri Goll & Bjørklund, 1985
         2 †Nephrospyris pervia (Haeckel, 1887)
         3 Nephrospyris renilla Haeckel, 1887