[Class] Cestoda - tapeworms see Infraclass Cestoda
   Order Diphyllidea Lankester, 1877 [monotypic]
     Family Echinobothriidae Perrier, 1897
       Genus Halysioncum Caira, Marques, Jensen, Kuchta & Ivanov, 2013
         01 Halysioncum mexicanumᵀ (Tyler & Caira, 1999)
         02 Halysioncum arafurense Ivanov & Caira, 2013
         03 Halysioncum bonasum (Williams & Campbell, 1980)
         04 Halysioncum californiense (Ivanov & Campbell, 1980)
         05 Halysioncum euzeti (Campbell & Carvajal, 1980)
         06 Halysioncum fautleyae (Tyler & Caira, 1999)
         07 Halysioncum gibsoni Ivanov & Caira, 2013
         08 Halysioncum hoffmanorum (Tyler, 2001)
         09 Halysioncum kishiense Moghadam & Haseli, 2014
         10 Halysioncum megacanathum (Ivanov & Campbell, 1998)
         11 Halysioncum nataliae (Kuchta & Caira, 2010)
         12 Halysioncum pigmentatum (Ostrowski de Núñez, 1971)
         13 Halysioncum raschii (Campbell & Andrade, 1997)
         14 Halysioncum rayallemangi (Tyler, 2001)
         15 Halysioncum reginae (Kuchta & Caira, 2010)
         16 Halysioncum vojtai (Kuchta & Caira, 2010)