metazoans Haeckel 1874 - multicellular animals see Kingdom Animalia Linnaeus, 1758 [stem] Phylum †Procoelomata Bergström, 1989 Class †Machaeridia Withers, 1926 Order †Turrilepadida Pilsbry, 1916 1 Family †Plumulitidae Jell, 1979 2 Family †Turrilepadidae Clark, 1896 3 Family †Lepidocoleidae Clarke, 1896