[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 Postgangesia Akhmerov, 1969
           1 Postgangesia orientalisᵀ Akhmerov, 1969
           2 Postgangesia inarmata de Chambrier, Al-Kallak & Mariaux, 2003