Metazoa Haeckel 1874 - multicellular animals see Kingdom Animalia Linnaeus, 1758 Count: - Bilateria Hatschek, 1888 - bilaterians see Subkingdom Bilateria Hatschek, 1888 Count: - Phylum Acoelomorpha Ehlers, 1985 - acoelomorphs see Subphylum Acoelomorpha Ehlers, 1985 Count: - Order Nemertodermatida Karling, 1940 - nemertodermatids Count: - Genus [Nemertinoides] Riser, 1987 Count: - 1 Nemertinoides elongatus Riser, 1987 Count: -