Plagiorchiida
Klasifikasi

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
Deropristidae Cable & Hunninen, 1942
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
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
Dicrocoeliidae Looss, 1899
Gorgoderidae Looss, 1899
Mesocoeliidae Faust, 1924
Orchipedidae Skrjabin, 1913
Microphalloidea Ward, 1901
Diplangidae Yamaguti, 1971
Exotidendriidae Mehra, 1935
Faustulidae Poche, 1926
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
Encyclometridae Mehra, 1931
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
Urotrematidae Poche, 1926
Troglotremata
Troglotrematoidea Odhner, 1914
Paragonimidae Dollfus, 1939
Troglotrematidae Odhner, 1914