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 Asc-helminthes Class Nematoda Gegenbaur, 1859 Subclass Adenophorea Order Desmoscolecida Filipjev, 1929 Genus Greeffiella Cobb, 1922