Kingdom Protozoa Goldfuss, 1818 - protozoa
Subkingdom Gymnomyxa (Lankester, 1878) Cavalier-Smith, 2002
see Kingdom Protozoa Goldfuss, 1818
Infrakingdom Rhizaria Cavalier-Smith, 2002
Phylum Retaria Cavalier-Smith, 2002
Subphylum Radiolaria Müller, 1858
see Subphylum Radiozoa Cavalier-Smith, 1987
Class Polycystinea Ehrenberg, 1838 - polycystines
see Superclass Polycystinia Ehrenberg, 1838
Genus Sphaerozoum Meyen, 1834
Sphaerozoum punctatum (Huxley, 1851)