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 Cestoda - tapeworms see Infraclass Cestoda
             Subclass Eucestoda - eucestodes see [unranked] Eucestoda
               Order Lecanicephalidea Hyman, 1951
                 Family Lecanicephalidae Braun, 1900
                   1 Genus Polypocephalus Braun, 1878
                   2 Genus Calycobothrium Southwell, 1912, nom. inq.
                   3 Genus Staurobothrium Shipley & Hornell, 1905, nom. inq.
                   4 Genus Hexacanalis Perrenoud, 1931
                   5 Genus Tetragonicephalum
                   6 Genus Discobothrium van Beneden, 1871 see Genus Echeneibothrium van Beneden, 1850
                   7 Genus Lecanicephalum Linton, 1890