Eukaryota Chatton, 1925 - eukaryotes see Domain Eukaryota Chatton, 1925 Phylum Actinopoda Calkins, 1902 Class Radiolaria Müller, 1858 see Phylum Radiolaria Müller, 1858 Order Polycystinea Ehrenberg, 1838 see Class Polycystinea Ehrenberg, 1838