WoRMS taxon details
Opecoelidae Ozaki, 1925
Notoporidae Yamaguti, 1938 · unaccepted
Opistholebetidae Fukui, 1929 · unaccepted (Synonym)
- Genus Abyssopedunculus Martin, Huston, Cutmore & Cribb, 2019
- Subfamily Bathycreadiinae Martin, Huston, Cutmore & Cribb, 2019
- Subfamily Hamacreadiinae Martin, Downie & Cribb, 2020
- Genus Allopodocotyle Pritchard, 1966
- Genus Bentholebouria Andres, Pulis & Overstreet, 2014
- Genus Cainocreadium Nicoll, 1909
- Genus Choanotrema Nitta & Tanaka, 2018
- Genus Hamacreadium Linton, 1910
- Genus Pacificreadium Durio & Manter, 1968
- Genus Paraplagioporus Yamaguti, 1939
- Genus Pedunculacetabulum Yamaguti, 1934
- Genus Podocotyloides Yamaguti, 1934
- Subfamily Helicometrinae Bray, Cribb, Littlewood & Waeschenbach, 2016
- Genus Helicometra Odhner, 1902
- Genus Helicometrina Linton, 1910
- Genus Neohelicometra Siddiqi & Cable, 1960
- Genus Proneohelicometra Hassanine, 2006
- Genus Allostenopera Baeva, 1968 accepted as Helicometra Odhner, 1902
- Genus Loborchis Stossich, 1902 accepted as Helicometra Odhner, 1902 (synonym)
- Genus Mesobathylebouria Martin, Huston, Cutmore & Cribb, 2019
- Subfamily Neopycnadeninae Karar, Blend, Mohamadain, Hassan, Khalifa & Dronen, 2020
- Subfamily Opecoelinae Ozaki, 1925
- Genus Anisoporus Ozaki, 1928
- Genus Anomalotrema Zhukov, 1957
- Genus Apertile Overstreet, 1969
- Genus Coitocaecum Nicoll, 1915
- Genus Dactylomyza Aken'Ova, 2003
- Genus Dactylostomum Woolcock, 1935
- Genus Discoverytrema Gibson, 1976
- Genus Genitocotyle Park, 1937
- Genus Labracetabulum Reimer, 1987
- Genus Manteriella Yamaguti, 1958
- Genus Margolisia Bray, 1987
- Genus Neodactylostomum Toman, 1996
- Genus Notoporus Yamaguti, 1938
- Genus Opecoeloides Odhner, 1928
- Genus Opecoelus Ozaki, 1925
- Genus Opegaster Ozaki, 1928
- Genus Paropecoelus Pritchard, 1966
- Genus Parvacreadium Manter, 1940
- Genus Poracanthium Dollfus, 1948
- Genus Pseudopecoeloides Yamaguti, 1940
- Genus Pseudopecoelus von Wicklen, 1946
- Genus Alloanomalotrema Yamaguti, 1971 accepted as Poracanthium Dollfus, 1948 (synonym)
- Genus Cymbephallus Linton, 1934 accepted as Opecoeloides Odhner, 1928 (unaccepted > junior subjective synonym)
- Genus Fimbriatus von Wicklen, 1946 accepted as Opecoeloides Odhner, 1928 (Synonym)
- Genus Horatrema Srivastava, 1942 accepted as Notoporus Yamaguti, 1938 (synonym)
- Genus Neopecoelus Manter, 1947 accepted as Pseudopecoelus von Wicklen, 1946 (synonym)
- Genus Ozakia Wisniewski, 1933 accepted as Coitocaecum Nicoll, 1915 (synonym)
- Genus Paradactylostomum Toman, 1992 nec Zhukov, 1972 accepted as Neodactylostomum Toman, 1996 (synonym)
- Genus Paradactylostomum Zhukov, 1972 nec Toman, 1992 accepted as Coitocaecum Nicoll, 1915 (synonym)
- Genus Prolabria Reimer, 1987 accepted as Labracetabulum Reimer, 1987 (synonym)
- Genus Pseudocoitocaecum Bilqees, 1972 accepted as Coitocaecum Nicoll, 1915 (synonym)
- Genus Pseudonotoporus Ahmad, 1985 (uncertain > taxon inquirendum)
- Subfamily Opecoelininae Gibson & Bray, 1984
- Genus Bartoliella Aken'Ova, 2003
- Genus Opecoelina Manter, 1934
- Genus Dideutosaccus Acena, 1941 accepted as Podocotyle Dujardin, 1845 (synonym)
- Subfamily Opistholebetinae Fukui, 1929
- Genus Gaevskajatrema Gibson & Bray, 1982
- Genus Heterolebes Ozaki, 1935
- Genus Maculifer Nicoll, 1915
- Genus Macvicaria Gibson & Bray, 1982
- Genus Magnaosimum Martin, Crouch, Cutmore & Cribb, 2018
- Genus Opistholebes Nicoll, 1915
- Genus Pachycreadium Manter, 1954
- Genus Parallelolebes Martin, Ribu, Cutmore & Cribb, 2018
- Genus Peracreadium Nicoll, 1909
- Genus Pinguitrema Siddiqi & Cable, 1960
- Genus Propycnadenoides Fischthal & Kuntz, 1964
- Genus Pseudoheterolebes Yamaguti, 1959 nec Gupta, 1968
- Genus Pseudopycnadena Saad-Fares & Maillard, 1986
- Genus Pycnadena Linton, 1911
- Genus Pycnadenoides Yamaguti, 1938
- Genus Alloheterolebes Hafeezullah, 1971 accepted as Maculifer Nicoll, 1915 (New name for Pseudoheterolebes Gupta, 1968; synonym)
- Genus Didymorchis Linton, 1910 accepted as Pycnadena Linton, 1911
- Genus Pseudoheterolebes Gupta, 1969 nec Yamaguti, 1959 accepted as Alloheterolebes Hafeezullah, 1971 accepted as Maculifer Nicoll, 1915 (preoccupied; renamed Alloheterolebes by Hafeezullah (1971))
- Subfamily Plagioporinae Manter, 1947
- Genus Anthochoanocotyle Kamegai, 1972
- Genus Choerodonicola Cribb, 2005
- Genus Decemtestis Yamaguti, 1934
- Genus Diplobulbus Yamaguti, 1934
- Genus Heterochoanostoma Machida, 2014
- Genus Hysterogonia Hanson, 1955
- Genus Jerguillicola Bray, 2002
- Genus Mesocreadium Reimer, 1987
- Genus Neochoanostoma Bray & Cribb, 1989
- Genus Nicolla Wisniewski, 1934
- Genus Paramanteriella Li, Qiu & Zhang, 1988
- Genus Pellamyzon Montgomery, 1957
- Genus Phyllotrema Yamaguti, 1934
- Genus Plagioporus Stafford, 1904
- Genus Sphaerostoma Rudolphi, 1809
- Genus Trilobovarium Martin, Cutmore & Cribb, 2017
- Genus Vesicocoelium Tang, Hsu, Huang & Lu, 1975
- Genus Villarrealina Bolaños & Salas, 1982
- Genus Allodecemtestis Hafeezullah, 1970 accepted as Decemtestis Yamaguti, 1934 (synonym)
- Genus Anabathycreadium Salman & Srivastava, 1990 accepted as Peracreadium Nicoll, 1909 (synonym)
- Genus Apopodocotyle Pritchard, 1966 accepted as Cainocreadium Nicoll, 1909 (synonym)
- Genus Cainocreadoides Nagaty, 1956 accepted as Cainocreadium Nicoll, 1909 (Synonym)
- Genus Choannostoma Yamaguti, 1934 accepted as Choanostoma Yamaguti, 1934 accepted as Choanotrema Nitta & Tanaka, 2018 (Lapsus)
- Genus Choanostoma Yamaguti, 1934 accepted as Choanotrema Nitta & Tanaka, 2018 (Pre-occupied)
- Genus Crowcrocaecum Skrjabin & Koval, 1956 accepted as Nicolla Wisniewski, 1934
- Genus Cryptacetabulum Shalaby & Hassanine, 1997 accepted as Macvicaria Gibson & Bray, 1982 (synonym)
- Genus Emmettrema Caballero, 1946 accepted as Cainocreadium Nicoll, 1909 (Synonym)
- Genus Godavaritrema Karyakarte & Yadav, 1976 accepted as Vesicocoelium Tang, Hsu, Huang & Lu, 1975 (synonym according to Cribb, 2005)
- Genus Indocreadium Salman & Srivastava, 1990 accepted as Peracreadium Nicoll, 1909 (synonym)
- Genus Lebouria Nicoll, 1909 accepted as Peracreadium Nicoll, 1909 (synonymy according to Gibson & Bray (1982))
- Genus Neoplagioporus Shimazu, 1990 accepted as Urorchis Ozaki, 1927 (unaccepted > junior subjective synonym)
- Genus Neopodocotyloides Pritchard, 1966 accepted as Podocotyle Dujardin, 1845 (synonym)
- Genus Nicollia Wisniewski, 1933 accepted as Nicolla Wisniewski, 1934 (pre-occupied by Nicollia Nuttall, 1908, Kritschewsky, 1922 and Baylis, 1930)
- Genus Olivacreadium Bilqees, 1976 accepted as Hamacreadium Linton, 1910 (synonym)
- Genus Orthodena Durio & Manter, 1968 accepted as Pseudoplagioporus Yamaguti, 1938
- Genus Pedunculotrema Fischthal & Thomas, 1970 accepted as Allopodocotyle Pritchard, 1966 (synonym)
- Genus Pirupalkia Puga & Figueroa, 1989 accepted as Villarrealina Bolaños & Salas, 1982 (synonym)
- Genus Sinistroporus Stafford, 1904 accepted as Podocotyle Dujardin, 1845 (synonym)
- Genus Stenopera Manter, 1933 accepted as Helicometra Odhner, 1902 (unaccepted > junior subjective synonym)
- Genus Parapolylekithum Bilqees, Ghazi, Khan & Khatoon, 2004 (uncertain > taxon inquirendum)
- Genus Thynstenopera Bilqees & Khatoon, 2004 (uncertain > taxon inquirendum)
- Subfamily Podocotylinae Dollfus, 1959
- Genus Bathypodocotyle Martin, Huston, Cutmore & Cribb, 2019
- Genus Buticulotrema Blend, Dronen & McEachran, 1993
- Genus Halosaurotrema Martin, Huston, Cutmore & Cribb, 2019
- Genus Macrourimegatrema Blend, Dronen & Armstrong, 2004
- Genus Neolebouria Gibson, 1976
- Genus Podocotyle Dujardin, 1845
- Genus Tellervotrema Gibson & Bray, 1982
- Subfamily Polypipapiliotrematinae Martin, Cutmore & Cribb in Martin, Sasal, Cutmore, Ward, Aeby & Cribb, 2018
- Subfamily Pseudoplagioporinae Martin, Cutmore & Cribb, 2019
- Genus Fairfaxia Cribb, 1989
- Genus Pseudoplagioporus Yamaguti, 1938
- Genus Shimazuia Cribb, 2005
- Subfamily Scorpidotrematinae Sokolov, Shchenkov, Frolov & Gordeev, 2022
- Subfamily Coitocaecinae Poche, 1926 accepted as Opecoelinae Ozaki, 1925 (unaccepted > junior subjective synonym)
- Subfamily Decemtestiinae Mehra, 1966 accepted as Plagioporinae Manter, 1947 (synonym)
- Subfamily Genitocotylinae Skrjabin & Petrov, 1958 accepted as Opecoelinae Ozaki, 1925 (unaccepted > junior subjective synonym)
- Subfamily Horatrematinae Srivastava, 1942 accepted as Opecoelinae Ozaki, 1925 (synonym)
- Subfamily Hysterogoniinae Yamaguti, 1970 accepted as Plagioporinae Manter, 1947 (synonym)
- Subfamily Notoporinae Yamaguti, 1938 accepted as Opecoelinae Ozaki, 1925 (synonym)
- Subfamily Phyllotrematinae Mehra, 1966 accepted as Plagioporinae Manter, 1947 (synonym)
- Subfamily Phyllotrematinae Yamaguti, 1971 accepted as Plagioporinae Manter, 1947 (synonym)
- Subfamily Sphaerostomatinae Poche, 1926 accepted as Plagioporinae Manter, 1947 (synonym)
marine, brackish, fresh
Ozaki, Y. (1925). Preliminary notes on a trematode with anus. <em>Journal of Parasitology.</em> 12: 51-53. [details]
WoRMS (2025). Opecoelidae Ozaki, 1925. Accessed at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=108432 on 2025-03-28
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Nomenclature
original description
Ozaki, Y. (1925). Preliminary notes on a trematode with anus. <em>Journal of Parasitology.</em> 12: 51-53. [details]
original description (of Opistholebetidae Fukui, 1929) Fukui, T. (1929). Studies on Japanese Amphistomatous parasites, with revision of the group. <em>Japanese Journal of Zoology.</em> 2, 219-351.
page(s): 336 [details]
original description (of Notoporidae Yamaguti, 1938) Yamaguti, S. (1938). <em>Studies on the Helminth Fauna of Japan. Part 21. Trematodes of Fishes, IV.</em> Kyöto: Yamaguti, S, 139 pp.
page(s): 56 [details]
basis of record Gibson, D.I. (2001). Digenea, <B><I>in</I></B>: Costello, M.J. <i>et al.</i> (Ed.) (2001). <i>European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels,</i> 50: pp. 136-142 (look up in IMIS) [details]
original description (of Opistholebetidae Fukui, 1929) Fukui, T. (1929). Studies on Japanese Amphistomatous parasites, with revision of the group. <em>Japanese Journal of Zoology.</em> 2, 219-351.
page(s): 336 [details]
original description (of Notoporidae Yamaguti, 1938) Yamaguti, S. (1938). <em>Studies on the Helminth Fauna of Japan. Part 21. Trematodes of Fishes, IV.</em> Kyöto: Yamaguti, S, 139 pp.
page(s): 56 [details]
basis of record Gibson, D.I. (2001). Digenea, <B><I>in</I></B>: Costello, M.J. <i>et al.</i> (Ed.) (2001). <i>European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels,</i> 50: pp. 136-142 (look up in IMIS) [details]
Identification resource
identification resource
Cribb, T. H. (2005). Family Opecoelidae Ozaki, 1925. In: Jones, A., Bray, R. A. & Gibson, D. I. (Eds). <em>Keys to the Trematoda. Volume 2.</em> Wallingford: CAB International and the Natural History Museum, pp. 443–531.
page(s): 443 [details]
identification resource Ozaki, Y. (1928). On some trematodes with anus. <em>Japanese Journal of Zoology.</em> 2: 5-33.
page(s): 6 [details]
identification resource Skrjabin, K. I.; Petrov, A. M. (1958). Family Opecoelidae Ozaki, 1925. Subfamilies Opecoelinae Stunkard, 1931; Genitocotylinae Skrjabin, Petrow et Koval, 1958; Horatrematinae Srivastava, 1942; Notoporinae Srivastava, 1942. <em>Osnovy Trematodologii.</em> 15: 79–329. (In Russian).
page(s): 81 [details]
identification resource Shimazu, T. (1988). Trematodes of the genera Coitocaecum, Dimerosaccus and Opecoelus (Opecoelidae: Opecoelinae) from freshwater fishes of Japan. <em>Proceedings of the Japanese Society of Systematic Zoology.</em> 37, 1-19.
page(s): 1 [details]
page(s): 443 [details]
identification resource Ozaki, Y. (1928). On some trematodes with anus. <em>Japanese Journal of Zoology.</em> 2: 5-33.
page(s): 6 [details]
identification resource Skrjabin, K. I.; Petrov, A. M. (1958). Family Opecoelidae Ozaki, 1925. Subfamilies Opecoelinae Stunkard, 1931; Genitocotylinae Skrjabin, Petrow et Koval, 1958; Horatrematinae Srivastava, 1942; Notoporinae Srivastava, 1942. <em>Osnovy Trematodologii.</em> 15: 79–329. (In Russian).
page(s): 81 [details]
identification resource Shimazu, T. (1988). Trematodes of the genera Coitocaecum, Dimerosaccus and Opecoelus (Opecoelidae: Opecoelinae) from freshwater fishes of Japan. <em>Proceedings of the Japanese Society of Systematic Zoology.</em> 37, 1-19.
page(s): 1 [details]
Other
context source (PeRMS)
Luque, J.L., C. Cruces, J. Chero, F. Paschoal, P.V. Alves, A.C. Silva, L. Sanchez & J. Iannacone. (2016). Checklist of metazoan parasites of fishes from Peru. Lista de verificación de los metazoos parásitos de peces de Perú. <em>Neotropical Helminthology.</em> 10(2), jul-dic: 301-375. [details] Available for editors
[request]
additional source Martin, S. B.; Downie, A. J.; Cribb, T. H. (2020). A new subfamily for a clade of opecoelids (Trematoda: Digenea) exploiting marine fishes as second-intermediate hosts, with the first report of opecoelid metacercariae from an elasmobranch. <em>Zoological Journal of the Linnean Society.</em> 188 (2): 455–472., available online at https://doi.org/10.1093/zoolinnean/zlz084 [details]
additional source Choudhary, K.; Verma, A. K.; Swaroop, S.; Agrawal, N. (2015). A review on the molecular characterization of digenean parasites using molecular markers with special reference to ITS region. <em>Helminthologia.</em> 52(3): 167-187., available online at https://doi.org/10.1515/helmin-2015-0031 [details]
additional source Bray, R. A.; Cribb, T. H.; Littlewood, D. T. J.; Waeschenbach, A. (2016). The molecular phylogeny of the digenean family Opecoelidae Ozaki, 1925 and the value of morphological characters, with the erection of a new subfamily. <em>Folia Parasitologica.</em> 63., available online at https://doi.org/10.14411/fp.2016.013
page(s): 1 [details]
biology source Barnett, L. J.; Miller, T. L.; Cribb, T. H. (2014). A review of the currently recognised opecoelid cercariae, including the identification and emergence ecology of Cercaria capricornia XII (Digenea: Opecoelidae) from Nassarius olivaceus (Gastropoda: Nassariidae) in Central Queensland, Australia. <em>Parasitology International.</em> 63 (5): 670–682., available online at https://doi.org/10.1016/j.parint.2014.04.007
page(s): 670 [details]

additional source Martin, S. B.; Downie, A. J.; Cribb, T. H. (2020). A new subfamily for a clade of opecoelids (Trematoda: Digenea) exploiting marine fishes as second-intermediate hosts, with the first report of opecoelid metacercariae from an elasmobranch. <em>Zoological Journal of the Linnean Society.</em> 188 (2): 455–472., available online at https://doi.org/10.1093/zoolinnean/zlz084 [details]
additional source Choudhary, K.; Verma, A. K.; Swaroop, S.; Agrawal, N. (2015). A review on the molecular characterization of digenean parasites using molecular markers with special reference to ITS region. <em>Helminthologia.</em> 52(3): 167-187., available online at https://doi.org/10.1515/helmin-2015-0031 [details]
additional source Bray, R. A.; Cribb, T. H.; Littlewood, D. T. J.; Waeschenbach, A. (2016). The molecular phylogeny of the digenean family Opecoelidae Ozaki, 1925 and the value of morphological characters, with the erection of a new subfamily. <em>Folia Parasitologica.</em> 63., available online at https://doi.org/10.14411/fp.2016.013
page(s): 1 [details]
biology source Barnett, L. J.; Miller, T. L.; Cribb, T. H. (2014). A review of the currently recognised opecoelid cercariae, including the identification and emergence ecology of Cercaria capricornia XII (Digenea: Opecoelidae) from Nassarius olivaceus (Gastropoda: Nassariidae) in Central Queensland, Australia. <em>Parasitology International.</em> 63 (5): 670–682., available online at https://doi.org/10.1016/j.parint.2014.04.007
page(s): 670 [details]



