metazoans Haeckel 1874 - multicellular animals see Kingdom Animalia Linnaeus, 1758 [stem] Phylum †Procoelomata Bergström, 1989 Class †Machaeridia Withers, 1926 Order †Tommotiida Missarzhevsky, 1970 see Class Tommotiida Missarzhevsky, 1970 Family †Lapworthellidae Rozanov & Missarzhevsky, 1966