Dodatak:Popis plošnjaka, X
Xe uredi
, Xenocicerina , Xenometra , Xenoprorhynchus
Xenostenostomum Reisinger, 1976 uredi
- Xenostenostomum microstomoides Reisinger, 1976
Platyhelminthes → Catenulida → Stenostomidae , Xenotoplana
Xi uredi
Podred Xiphidiata Olson, Cribb, Tkach, Bray & Littlewood, 2003 uredi
- Allocreadioidea Looss, 1902
- Gorgoderoidea Looss, 1901
- Haploporoidea Nicoll, 1914
- Microphalloidea Ward, 1901
- Plagiorchioidea Lühe, 1901
Platyhelminthes → Neodermata → Trematoda → Digenea → Plagiorchiida , Xiphidiotrema
Xy uredi
, Xystretrum