[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]
         1 Genus Amphoteromorphus Diesing, 1850
         2 Genus Brooksiella Rego, Chubb & Pavanelli, 1999, nom. illeg. [monotypic]
         3 Genus Gibsoniela Rego, 1984
         4 Genus Harriscolex Rego, 1987
         5 Genus Houssayela Rego, 1987 [monotypic]
         6 Genus Nomimoscolex Woodland, 1934
         7 Genus Postgangesia Akhmerov, 1969
         8 Genus Vaucheriella de Chambrier, 1987 [monotypic]
         9 Genus Zygobothrium Diesing, 1850 [monotypic]