Kingdom [Animalia] Linnaeus, 1758 - animals Subkingdom Metazoa Haeckel, 1874 see Kingdom Animalia Linnaeus, 1758 Division Mesozoa van Beneden, 1876 see [unranked] Mesozoa van Beneden, 1876 Order Orthonectida Giard, 1879 see Phylum Orthonectida Giard, 1880 1 Genus Rhopalura Giard, 1877