[Class] Polycystinea Ehrenberg, 1838 - polycystines see Superclass Polycystinia Ehrenberg, 1838
   Order Spumellaria Ehrenberg, 1875 see Class Spumellaria Ehrenberg, 1875
     Family Actinommidae Haeckel, 1862
       01 Genus Acanthosphaera Ehrenberg, 1858
       02 Genus Actinomma Haeckel, 1860
       03 Genus Actinosphaera Hollande & Enjumet, 1960
       04 Genus Amphisphaera Haeckel, 1881
       05 Genus †Amphistylus Haeckel, 1881
       06 Genus Anomalacantha Loeblich & Tappan, 1961
       07 Genus Arachnosphaera Haeckel, 1860
       08 Genus Astrosphaera Haeckel, 1887
       09 Genus Axoprunum Haeckel, 1887
       10 Genus Carposphaera Haeckel, 1881
       11 Genus Cenosphaera Ehrenberg, 1854
       12 Genus Centracontium Popofsky, 1912
       13 Genus Centrocubus Haeckel, 1887
       14 Genus Centrolonche Popofsky, 1912
       15 Genus Cladococcus Müller, 1856
       16 Genus †Conoactinomma Gorbunov, 1979
       17 Genus †Conocaryomma Lipman, 1969
       18 Genus †Cromyatractus Haeckel, 1887
       19 Genus †Cromydruppocarpus Campbell & Clark, 1944
       20 Genus Cromyechinus Haeckel, 1881
       21 Genus Cromyomma Haeckel, 1862
       22 Genus Cyrtidosphaera Haeckel, 1860
       23 Genus †Diploplegma Hinde, 1890
       24 Genus Druppatractus Haeckel, 1887
       25 Genus Drymosphaera Haeckel, 1881
       26 Genus Drymyomma Jørgensen, 1900
       27 Genus Elatomma Haeckel, 1887
       28 Genus Ellipsoxiphium Haeckel, 1887
       29 Genus †Entapium Sanfilippo & Riedel, 1973
       30 Genus Gonosphaera Jørgensen, 1905
       31 Genus Haeckeliella Hollande & Enjumet, 1960
       32 Genus Haliomma Ehrenberg, 1839
       33 Genus †Haliommetta Haeckel, 1887
       34 Genus Heliaster Hollande & Enjumet, 1960, nom. illeg. see Genus Hollandosphaera Deflandre, 1973
       35 Genus †Heliosestilla Haeckel, 1887
       36 Genus Heliosphaera Haeckel, 1860
       37 Genus †Heterosestrum Clark & Campbell, 1945
       38 Genus Hexacontium Haeckel, 1881
       39 Genus Hexacromyum Haeckel, 1881
       40 Genus Hexalonche Haeckel, 1881
       41 Genus Hexastylus Haeckel, 1881
       42 Genus †Joergensenium Bjørklund, Dumitrica, Dolven & Swanberg, 2008
       43 Genus Leptosphaera Haeckel, 1887
       44 Genus Liosphaera Haeckel, 1887
       45 Genus †Lithatractus Haeckel, 1887
       46 Genus †Lithomespilus Haeckel, 1881
       47 Genus Lonchosphaera Popofsky, 1908
       48 Genus Lychnosphaera Haeckel, 1881
       49 Genus Octodendron Haeckel, 1887
       50 Genus †Pentactinosphaera Nagata & Nishimura, 1983
       51 Genus †Peritiviator Pessagno, 1976
       52 Genus Plegmosphaera Haeckel, 1881
       53 Genus †Prunopyle Dreyer, 1888
       54 Genus Rhizoplegma Haeckel, 1881
       55 Genus Saturnalis Haeckel, 1881
       56 Genus Sphaeropyle Dreyer, 1888
       57 Genus †Spongatractus Haeckel, 1887
       58 Genus Spongodictyon Haeckel, 1862
       59 Genus Spongodrymus Haeckel, 1881
       60 Genus Spongoplegma Haeckel, 1881
       61 Genus Spongosphaera Ehrenberg, 1847
       62 Genus †Stauroxiphos Haeckel, 1887
       63 Genus Stigmosphaera Haeckel, 1887
       64 Genus Stylacontarium Popofsky, 1912
       65 Genus Stylatractus Haeckel, 1887
       66 Genus †Stylosphaera Ehrenberg, 1847
       67 Genus Styptosphaera Haeckel, 1881
       68 Genus Thecosphaera Haeckel, 1881
       69 Genus †Thecosphaerella Haeckel, 1887
       70 Genus Trilobatum Popofsky, 1912
       71 Genus †Xiphatractus Haeckel, 1887
       72 Genus Xiphosphaera Haeckel, 1881