Eukaryota Chatton, 1925 - eukaryotes see Domain Eukaryota Chatton, 1925 Phylum Actinopoda Calkins, 1902 1 Class Radiolaria Müller, 1858 see Phylum Radiolaria Müller, 1858 2 Class Acantharea Haeckel, 1881 3 Class Heliozoa