Plagiorchiida Explained

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.^[1]

The following families are placed here, organised by superfamily and suborder:^[2] ^[3]

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

Notes and References

European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Gibson. 2001. Collection Patrimoines Naturels . 50 . 136–142.
Web site: WoRMS - World Register of Marine Species - Plagiorchiida. www.marinespecies.org. 2015-11-08.
Jones, A., Bray, R. A., & Gibson, D. I. (Eds.). (2002). Keys to the Trematoda (Vol. 1). CABI Publishing and The Natural History Museum.