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
               1 "Dalyellioidea" see [unranked] Dalyellioida Bresslau, 1933
               1.0.1 [Temnocephalida Blanchard, 1849] see Suborder Temnocephalida
               1.0.2 [Udonellida] see [unranked] Dalyellioidea
               2 Neodermata Ehlers, 1985 see Subclass Neodermata