Phylum Actinopoda Calkins, 1902 Class Polycystina Ehrenberg, 1838 see Class Polycystinea Ehrenberg, 1838 Order Spumellarida see Order Spumellaria Ehrenberg, 1875 Suborder Sphaerellarina Family Phacodiscidae Haeckel, 1881 see Subfamily Coccodiscinae Haeckel, 1862