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 Seriata Bresslau, 1933 see Order Seriata Tricladida Lang, 1884 see Order Tricladida Lang, 1884