Metazoa see Kingdom Animalia Linnaeus, 1758 Gastraeozoa Trochaeozoa see [unranked] Bilateria Hatschek, 1888 Protornaeozoa Notoneuralia Ulrich, 1951 Cyrtotreta 1 Phylum Enteropneusta Gegenbaur, 1870 see Class Enteropneusta Gegenbaur, 1870 2 Chordata Bateson, 1885 - chordates see Phylum Chordata Bateson, 1885