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 Pentacoela Subphylum Branchiotremata Class Pterobranchia Lankester, 1877 - pterobranchs Family Cephalodiscidae Schimkewitsch, 1893