Suborder Spumellaria Ehrenberg, 1875 see Class Spumellaria Ehrenberg, 1875 Family Actinommidae Haeckel, 1862 Subfamily Actinomminae Takahashi, 1991 see Family Actinommidae Haeckel, 1862 Genus Stylosphaera Ehrenberg, 1847 Stylosphaera melpomene Haeckel see Hexacontium melpomene (Haeckel, 1887)