Class Actinopoda Calkins, 1902
see Parvkingdom Actinopoda Calkins, 1902
Subclass Radiolaria Müller, 1858
see Phylum Actinopoda Calkins, 1902
Superorder Polycystina Ehrenberg, 1838
see Class Polycystinea Ehrenberg, 1838
Order Spumellaria Ehrenberg, 1875
see Class Spumellaria Ehrenberg, 1875
Superfamily Actinommacea Haeckel, 1862 [polyphyletic?]
see Order Actinommata Haeckel, 1862
Actinommacea with single medullary shell
Family Stylosphaeridae Haeckel, 1881
see Subfamily Stylosphaerinae Haeckel, 1881
Genus Druppatractus Haeckel, 1887