Plathelminthes see [unranked] Platyhelminthes Gegenbaur, 1859
   Euplathelminthes see [unranked] Rhabditophora Ehlers, 1985
     1 Acoelomorpha Ehlers, 1985 see Subphylum Acoelomorpha Ehlers, 1985
     2 Rhabditophora Ehlers, 1985 see Subphylum Rhabditophora Ehlers, 1985