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 Prolecithophora Karling, 1940
               Suborder Combinata
                 Family Urostomatidae see Family Urastomidae Marcus, 1951
                   Genus Urostoma see Genus Urastoma Doerler, 1900
                     Urostoma cyprinae (v. Graff, 1882) see Urastoma cyprinae (v. Graff, 1882) Westblad, 1955