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 Platy-helminthes see Phylum Platyhelminthes Gegenbaur, 1859 Class Cestoda - tapeworms see Infraclass Cestoda Order Pseudophyllidea Lankester, 1877 Genus Biacetabulum Hunter, 1927 1 Biacetabulum sieboldii