[Class] Polycystinea Ehrenberg, 1838 - polycystines see Superclass Polycystinia Ehrenberg, 1838
   Order Spumellaria Ehrenberg, 1875 see Class Spumellaria Ehrenberg, 1875
     Family Pyloniidae Haeckel, 1881
       01 Genus Dipylissa Dumitrica, 1988
       02 Genus Hexapyle Haeckel, 1881
       03 Genus †Histiastrum Ehrenberg, 1847
       04 Genus Larcospira Haeckel, 1887
       05 Genus Octopyle Haeckel, 1881
       06 Genus Phorticium Haeckel, 1881
       07 Genus Pylolena Haeckel, 1887
       08 Genus Spirema Haeckel, 1881
       09 Genus †Stomatosphaera Dreyer, 1888
       10 Genus Streblacantha Haeckel, 1887
       11 Genus Tetrapyle Müller, 1858
       12 Genus Tholospira Haeckel, 1887