Plathelminthes see [unranked] Platyhelminthes Gegenbaur, 1859 Euplathelminthes see [unranked] Rhabditophora Ehlers, 1985 Acoelomorpha Ehlers, 1985 see Subphylum Acoelomorpha Ehlers, 1985 Acoela Uljanin, 1870 - acoels see Class Acoela Uljanin, 1870