Kingdom [Animalia] Linnaeus, 1758 - animals Subkingdom Metazoa Haeckel, 1874 see Kingdom Animalia Linnaeus, 1758 Division Eumetazoa Butschli, 1910 see Subkingdom Eumetazoa Butschli, 1910 Subdivision Bilateralia Phylum Sipunculida see Phylum Sipuncula Rafinesque, 1814 Genus Sipunculus Linnaeus, 1767 Sipunculus nudus Linnaeus, 1766