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
         Class Nemertini see Phylum Nemertea Schultze, 1851
           Subclass Anopla see Class Anopla
             Order Heteronemertini see Order Heteronemertea
               1 Genus Lineus Sowerby, 1805
               2 Genus Cerebratulus Renier, 1804
               3 Genus Baseodiscus Diesing, 1850
               4 Genus Micrura Ehrenberg, 1831