[Class] Cestoda - tapeworms see Infraclass Cestoda
   Order Diphyllobothriidea Kuchta, Scholz, Brabec & Bray, 2008
     Family Diphyllobothriidae Lühe, 1910
       01 Genus Adenocephalus Nybelin, 1931 [monotypic]
       02 Genus Baylisia Markowski, 1952
       03 Genus Baylisiella Markowski, 1952 [monotypic]
       04 Genus Diphyllobothrium Cobbold, 1858
       05 Genus Diplogonoporus Lönnberg, 1892
       06 Genus Flexobothrium Jurachno, 1989 [monotypic]
       07 Genus Glandicephalus Fuhrmann, 1920
       08 Genus Ligula Bloch, 1782
       09 Genus Plicobothrium Rausch & Margolis, 1969 [monotypic]
       10 Genus Pyramicocephalus Monticelli, 1890 [monotypic]
       11 Genus Schistocephalus Creplin, 1829
       12 Genus Spirometra Faust, Campbell & Kellogg, 1929
       13 Genus Tetragonoporus Skrjabin, 1961 [monotypic]