Plathelminthes see [unranked] Platyhelminthes Gegenbaur, 1859
   Euplathelminthes see [unranked] Rhabditophora Ehlers, 1985
     Rhabditophora Ehlers, 1985 see Subphylum Rhabditophora Ehlers, 1985
       Trepaxonemata see [unranked] Rhabditophora Ehlers, 1985
         Neoophora see Class Neoophora
           Rhabdocoela Meixner, 1925 see Infraclass Rhabdocoela Ehrenberg, 1831
             Doliopharyngiophora see [unranked] Rhabdocoela Meixner, 1925
               Neodermata Ehlers, 1985 see Subclass Neodermata
                 Trematoda see Class Trematoda Rudolphi, 1808
                   Digenea Carus, 1863 see Subclass Digenea Carus, 1863