Suborder Spumellaria Ehrenberg, 1875 see Class Spumellaria Ehrenberg, 1875 Family Actinommidae Haeckel, 1862 Subfamily Actinomminae Takahashi, 1991 see Family Actinommidae Haeckel, 1862 Genus Druppatractus Haeckel, 1887 Druppatractus ostracion Haeckel, 1887 see Stylatractus ostracion (Haeckel, 1887)