living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Superkingdom Eukaryotae see Domain Eukaryota Chatton, 1925
     Kingdom Animalia Linnaeus, 1758 - animals
       Subkingdom Eumetazoa Butschli, 1910 see [unranked] Eumetazoa Bütschli, 1910
         Phylum Platyhelminthes Gegenbaur, 1859 - flatworms
           Class Turbellaria Ehrenberg, 1831 - planarians see Subphylum Turbellaria Ehrenberg, 1831
             Order Polycladida Lang, 1884
               Suborder Cotylea Lang, 1884
                 Family Prosthiostomidae Lang, 1884
                   1 Genus Prosthiostomum Quatrefages, 1845
                   2 Genus Enchiridium Bock, 1913
                   3 Genus Amakusaplana Kato, 1938
                   4 Genus Euprosthiostomum Bock, 1925
                   5 Genus Lurymare Marcus & Marcus, 1968