# Plagiorchiida

Plagiorchiida is a large order of trematodes, synonymous to Echinostomida. They belong to the Digenea, a large subclass of flukes. This order contains relatively few significant parasites of humans.
The following families are placed here, organised by superfamily and suborder:
* Apocreadiata
** Apocreadioidea Skrjabin, 1942
*** Apocreadiidae Skrjabin, 1942
* Bivesiculata
** Bivesiculoidea
*** Bivesiculidae Yamaguti, 1934
* Bucephalata
** Bucephaloidea Poche, 1907
*** Bucephalidae Poche, 1907
*** Nuitrematidae Kurochkin, 1975
* Echinostomata
** Echinostomatoidea Looss, 1902
*** Caballerotrematidae Tkach, Kudlai & Kostadinova, 2016
*** Calycodidae Dollfus, 1929
*** Cyclocoelidae Stossich, 1902
*** Echinochasmidae Odhner, 1910
*** Echinostomatidae Looss, 1899
*** Fasciolidae Railliet, 1895
*** Himasthlidae Odhner, 1910
*** Philophthalmidae Looss, 1899
*** Psilostomidae Looss, 1900
*** Rhytidodidae Odhner, 1926
*** Typhlocoelidae Harrah, 1922
* Gymnophallata
** Gymnophalloidea Odhner, 1905
*** Botulisaccidae Yamaguti, 1971
*** Fellodistomidae Nicoll, 1909
*** Gymnophallidae Odhner, 1905
*** Tandanicolidae Johnston, 1927
* Haploporata
** Haploporoidea Nicoll, 1914
*** Atractotrematidae Yamaguti, 1939
*** Haploporidae Nicoll, 1914
* Haplosplanchnata
** Haplosplanchnoidea Poche, 1925
*** Haplosplanchnidae Poche, 1926
* Hemiurata
** Azygioidea Lühe, 1909
*** Azygiidae Lühe, 1909
** Hemiuroidea Looss, 1899
*** Accacoeliidae Odhner, 1911
*** Bathycotylidae Dollfus, 1932
*** Derogenidae Nicoll, 1910
*** Dictysarcidae Skrjabin & Guschanskaja, 1955
*** Didymozoidae Monticelli, 1888
*** Gonocercidae Skrjabin & Guschanskaja, 1955
*** Hemiuridae Looss, 1899
*** Hirudinellidae Dollfus, 1932
*** Isoparorchiidae Travassos, 1922
*** Lecithasteridae Odhner, 1905
*** Ptychogonimidae Dollfus, 1937
*** Sclerodistomidae Odhner, 1927
*** Sclerodistomoididae Gibson & Bray, 1979
*** Syncoeliidae Looss, 1899
* Heronimata
** Heronimoidea Ward, 1918
*** Heronimidae Ward, 1918
* Lepocreadiata
** Lepocreadioidea Odhner, 1905
*** Aephnidiogenidae Yamaguti, 1934
*** Enenteridae Yamaguti, 1958
*** Gorgocephalidae Manter, 1966
*** Gyliauchenidae Fukui, 1929
*** Lepidapedidae Yamaguti, 1958
*** Lepocreadiidae Odhner, 1905
*** Lepocreadioidea incertae sedis
*** Liliatrematidae Gubanov, 1953
* Monorchiata
** Monorchioidea Odhner, 1911
*** Deropristidae Cable & Hunninen, 1942
*** Lissorchiidae Magath, 1917
*** Monorchiidae Odhner, 1911
* Opisthorchiata
** Opisthorchioidea Braun, 1901
*** Cryptogonimidae Ward, 1917
*** Heterophyidae Leiper, 1909
*** Opisthorchiidae Looss, 1899
* Pronocephalata
** Paramphistomoidea Fischoeder, 1901
*** Cladorchiidae Fischoeder, 1901
*** Mesometridae Poche, 1926
*** Microscaphidiidae Looss, 1900
*** Paramphistomidae Fischoeder, 1901
** Pronocephaloidea Looss, 1899
*** Labicolidae Blair, 1979
*** Notocotylidae Lühe, 1909
*** Nudacotylidae Barker, 1916
*** Opisthotrematidae Poche, 1926
*** Pronocephalidae Looss, 1899
*** Rhabdiopoeidae Poche, 1926
* Transversotremata
** Transversotrematoidea Witenberg, 1944
*** Transversotrematidae Witenberg, 1944
* Xiphidiata
** Brachycladioidea Odhner, 1905
*** Acanthocolpidae Lühe, 1906
*** Brachycladiidae Odhner, 1905
** Gorgoderoidea Looss, 1901
*** Allocreadiidae Looss, 1902
*** Anchitrematidae Mehra, 1935
*** Braunotrematidae Yamaguti, 1958
*** Callodistomidae Odhner, 1910
*** Collyriclidae Ward, 1917
*** Dicrocoeliidae Looss, 1899
*** Encyclometridae Mehra, 1931
*** Gorgoderidae Looss, 1899
*** Mesocoeliidae Faust, 1924
*** Orchipedidae Skrjabin, 1913
** Microphalloidea Ward, 1901
*** Diplangidae Yamaguti, 1971
*** Eucotylidae Skrjabin, 1924
*** Exotidendriidae Mehra, 1935
*** Faustulidae Poche, 1926
*** Lecithodendriidae Lühe, 1901
*** Microphallidae Ward, 1901
*** Pachypsolidae Yamaguti, 1958
*** Phaneropsolidae Mehra, 1935
*** Pleurogenidae Looss, 1899
*** Prosthogonimidae Lühe, 1909
*** Renicolidae Dollfus, 1939
*** Zoogonidae Odhner, 1902
** Opecoelioidea Ozaki, 1925
*** Batrachotrematidae Dollfus & Williams, 1966
*** Opecoelidae Ozaki, 1925
*** Zdzitowieckitrema Sokolov, Lebedeva, Gordeev & Khasanov, 2019
** Plagiorchioidea Lühe, 1901
*** Auridistomidae Lühe, 1901
*** Brachycoeliidae Looss, 1899
*** Cephalogonimidae Looss, 1899
*** Choanocotylidae Jue Sue & Platt, 1998
*** Echinoporidae Krasnolobova & Timofeeva, 1965
*** Leptophallidae Dayal, 1938
*** Macroderoididae McMullen, 1937
*** Meristocotylidae Fischthal & Kuntz, 1981
*** Ocadiatrematidae Fischthal & Kuntz, 1981
*** Orientocreadiidae Yamaguti, 1958
*** Plagiorchiidae Lühe, 1901
*** Styphlotrematidae Baer, 1924
*** Telorchiidae Looss, 1899
*** Thrinascotrematidae Jue Sue & Platt, 1999
** Troglotrematoidea Odhner, 1914
*** Paragonimidae Dollfus, 1939
*** Troglotrematidae Odhner, 1914