Kingdom Animalia Linnaeus, 1758 - animals Phylum Nemertea Schultze, 1851 - ribbon worms Class Anopla see Phylum Nemertea Schultze, 1851 Order Heteronemertea Genus Baseodiscus Diesing, 1850 Genus Cerebratulus Renier, 1804 Genus Lineus Sowerby, 1805 Genus Micrura Ehrenberg, 1831 Genus Paralineus Schütz, 1911