[Class] Cestoda - tapeworms see Infraclass Cestoda
   Order Onchoproteocephalidea Caira, Jensen, Waeschenbach, Olson & Littlewood, 2014
     Family Proteocephalidae La Rue, 1911
       Subfamily Zygobothriinae Woodland, 1933 [non-monophyletic]
         Genus Harriscolex Rego, 1987
           1 Harriscolex kaparariᵀ (Woodland, 1935)
           2 Harriscolex nathaliae Gil de Pertierra & de Chambrier, 2013
           3 Harriscolex piramutab (Woodland, 1933)