Acanthocottus aeneus (basis of record)
Cheloniodiplostomum cinosterni (MacCallum, 1921) Sudarikov, 1960 accepted as Herpetodiplostomum cinosterni (MacCallum, 1921) Zerecero, 1947 (new combination reference)
Cheloniodiplostomum cinosterni (MacCallum, 1921) Sudarikov, 1960 accepted as Herpetodiplostomum cinosterni (MacCallum, 1921) Zerecero, 1947 (redescription)
Coitocaecinae Poche, 1926 accepted as Opecoelinae Ozaki, 1925 (identification resource)
Coitocaecum Nicoll, 1915 (identification resource)
Coitocaecum anaspidis Hickman, 1934 (redescription)
Coitocaecum callyodontis Yamaguti, 1942 (redescription)
Coitocaecum diplobulbosum Ozaki, 1929 (redescription)
Coitocaecum glandulosum Yamaguti, 1934 accepted as Coitocaecum gymnophallum Nicoll, 1915 (redescription)
Coitocaecum gymnophallum Nicoll, 1915 (redescription)
Coitocaecum latum Ozaki, 1929 (redescription)
Coitocaecum leptoscari Yamaguti, 1940 (redescription)
Coitocaecum orthorchis Ozaki, 1926 (redescription)
Coitocaecum parvum Crowcroft, 1945 (redescription)
Coitocaecum plagiorchis Ozaki, 1926 (redescription)
Coitocaecum tropicum Manter, 1940 (redescription)
Coitocaecum tylogonium Manter, 1954 (redescription)
Coitocaecum unibulbosum Ozaki, 1929 (redescription)
Coitocaecum xesuri Yamaguti, 1940 (redescription)
Crocodilicola Poche, 1926 (identification resource)
Crowcrocaecum Skrjabin & Koval, 1956 accepted as Nicolla Wisniewski, 1934 (identification resource)
Crowcrocaecum proavitum (Wisniewski, 1933) Skrjabin & Koval, 1956 accepted as Nicolla proavitum (Wisniewski, 1934) (redescription)
Crowcrocaecum skrjabini (Iwanitzky, 1928) Skrjabin & Koval, 1956 accepted as Nicolla skrjabini (Iwanitzky, 1928) Dollfus, 1960 (redescription)
Crowcrocaecum testiobliquum (Wiesniewski, 1933) Skrjabin & Koval, 1956 accepted as Nicolla testiobliqua (Wisniewski, 1933) Dollfus, 1958 (redescription)
Cyclogaster montagui (basis of record)
Dactylostomum Woolcock, 1935 (identification resource)
Dactylostomum gracile Woolcock, 1935 (redescription)
Dactylostomum vitellosum Manter, 1940 (redescription)
Decemtestis Yamaguti, 1934 (identification resource)
Decemtestis azumae (Layman, 1930) Yamaguti, 1934 (redescription)
Decemtestis bera Yamaguti, 1938 (redescription)
Decemtestis callionymi Yamaguti, 1934 (redescription)
Decemtestis ditrematis Yamaguti, 1934 (redescription)
Decemtestis goniistii Yamaguti, 1938 (redescription)
Decemtestis kobayashii Park, 1939 (additional source)
Decemtestis megacotyla Yamaguti, 1938 (redescription)
Decemtestis neopercis Yamaguti, 1938 (redescription)
Decemtestis pagrosomi Yamaguti, 1938 (redescription)
Decemtestis pseudolabri Manter, 1954 (redescription)
Decemtestis sillagonis Yamaguti, 1934 (redescription)
Decemtestis spari Yamaguti, 1938 (redescription)
Decemtestis takanoha Yamaguti, 1951 (redescription)
Eucreadium Dayal, 1942 (identification resource)
Eucreadium eucreadium Dayal, 1950 accepted as Eucreadium eutropiichthyius Dayal, 1942 (redescription)
Hamacreadium Linton, 1910 (identification resource)
Hamacreadium consuetum Linton, 1910 accepted as Cainocreadium consuetum (Linton, 1910) Yamaguti, 1971 (redescription)
Hamacreadium epinepheli Yamaguti, 1934 accepted as Cainocreadium epinepheli (Yamaguti, 1934) Durio & Manter, 1968 (redescription)
Hamacreadium gulella Linton, 1910 accepted as Cainocreadium gulella (Linton, 1910) Durio & Manter, 1968 (redescription)
Hamacreadium lethrini Yamaguti, 1934 (redescription)
Hamacreadium mutabile Linton, 1910 (redescription)
Hamacreadium oscitans Linton, 1910 accepted as Apopodocotyle oscitans (Linton, 1910) Pritchard, 1966 accepted as Cainocreadium oscitans (Linton, 1910) Cribb, 2005 (redescription)
Helicometra Odhner, 1902 (identification resource)
Helicometra bassensis Woolcock, 1935 (redescription)
Helicometra epinepheli Yamaguti, 1934 (redescription)
Helicometra execta Linton, 1910 accepted as Helicometrina execta (Linton, 1910) Overstreet, 1969 (redescription)
Helicometra fasciata (Rudolphi, 1819) Odhner, 1902 (redescription)
Helicometra grandora Manter, 1954 (redescription)
Helicometra hypodytis Yamaguti, 1934 accepted as Helicometra fasciata (Rudolphi, 1819) Odhner, 1902 (redescription)
Helicometra insolita Polyanski, 1955 (redescription)
Helicometra markewitschi Pogorel'tseva, 1954 accepted as Helicometra fasciata (Rudolphi, 1819) Odhner, 1902 (redescription)
Helicometra plovmornini Issaitchikov, 1928 (redescription)
Helicometra pretiosa Bravo-Hollis & Manter, 1957 accepted as Helicometra torta Linton, 1910 (redescription)
Helicometra pulchella (Rudolphi, 1819) Odhner, 1902 (redescription)
Helicometra sinuata (Rudolphi, 1819) Odhner, 1902 accepted as Helicometra fasciata (Rudolphi, 1819) Odhner, 1902 (redescription)
Helicometra tenuifolia Woolcock, 1935 (redescription)
Helicometra torta Linton, 1910 (redescription)
Helicometrina Linton, 1910 (identification resource)
Helicometrina elongata Noble & Park, 1937 accepted as Helicometrina nimia Linton, 1910 (redescription)
Helicometrina nimia Linton, 1910 (redescription)
Helicometrina parva Manter, 1933 accepted as Helicometrina execta (Linton, 1910) Overstreet, 1969 (redescription)
Hysterogonia Hanson, 1955 (subsequent type designation)
Hysterogonia balistis Hanson, 1955 (redescription)
Neopercis aurantiaca (basis of record)
Neopodocotyle Dayal, 1950 (identification resource)
Neopodocotyle indica Dayal, 1950 (redescription)
Pachycreadium Manter, 1954 (identification resource)
Pachycreadium crassigulum (Linton, 1910) Manter, 1954 accepted as Macvicaria crassigula (Linton, 1910) Bartoli, Bray & Gibson, 1989 (redescription)
Pachycreadium gastrocotylum (Manter, 1940) Manter, 1954 (redescription)
Pedunculacetabulum Yamaguti, 1934 (identification resource)
Pedunculacetabulum opisthorchis Yamaguti, 1934 (redescription)
Pedunculacetabulum pedicellatum Srivastava, 1938 accepted as Podocotyloides pedicellatus (Srivastava, 1938) Pritchard, 1966 (redescription)
Plagioporinae Manter, 1947 (identification resource)
Plagioporus Stafford, 1904 (identification resource)
Plagioporus (Paraplagioporus) isagi Yamaguti, 1939 accepted as Paraplagioporus isagi Yamaguti, 1939 (redescription)
Plagioporus (Paraplagioporus) lonigivesiculus Yamaguti, 1952 accepted as Hamacreadium longivesiculum (Yamaguti, 1952) Martin, Cutmore, Ward & Cribb, 2017 (redescription)
Plagioporus (Plagioporus) neopercis Yamaguti, 1938 accepted as Caudotestis neopercis Yamaguti, 1938 (redescription)
Plagioporus (Plagioporus) pachysomus Manter, 1954 accepted as Caudotestis pachysomus Manter, 1954 (redescription)
Plagioporus (Plagioporus) thalassomatis Yamaguti, 1942 accepted as Diplobulbus thalassomatis (Yamaguti, 1942) Cribb, 2005 (redescription)
Plagioporus acanthogobii Yamaguti, 1951 accepted as Neolebouria acanthogobii (Yamaguti, 1951) Gibson, 1976 accepted as Mesobathylebouria acanthogobii (Yamaguti, 1951) Martin, Huston, Cutmore & Cribb, 2019 (redescription)
Plagioporus alacris (Looss, 1901) Price, 1934 accepted as Macvicaria alacris (Looss, 1901) Gibson & Bray, 1982 (redescription)
Plagioporus angulatus (Dujardin, 1845) Szidat, 1944 accepted as Podocotyle angulata Dujardin, 1845 (redescription)
Plagioporus angusticolle (Hausmann, 1896) Dobrovolny, 1939 (redescription)
Plagioporus apogonichthydis Yamaguti, 1938 (redescription)
Plagioporus azurionis Yamaguti, 1952 accepted as Caudotestis azurionis Yamaguti, 1951 (redescription)
Plagioporus branchiostegi Yamaguti, 1957 accepted as Macvicaria branchiostegi (Yamaguti, 1957) Bray, 1990 (redescription)
Plagioporus calotomi (Yamaguti, 1934) Yamaguti, 1938 accepted as Choerodonicola calotomi (Yamaguti, 1934) Cribb, 2005 (redescription)
Plagioporus choerodontis (Yamaguti, 1934) Yamaguti, 1938 accepted as Choerodonicola choerodontis (Yamaguti, 1934) Cribb, 2005 (redescription)
Plagioporus dactylopagri Manter, 1954 accepted as Macvicaria dactylopagri (Manter, 1954) Aken'Ova, Cribb & Bray, 2008 (redescription)
Plagioporus dorosomatis Yamaguti, 1951 accepted as Caudotestis dorosomatis Yamaguti, 1951 (status source)
Plagioporus elongatus (Goto & Ozaki, 1930) Price, 1934 accepted as Neoplagioporus elongatus (Goto & Ozaki, 1930) Shimazu, 1990 accepted as Urorchis elongatus (Goto & Ozaki, 1930) Itsukushim, Gosho, Tsuchida & Urabe, 2025 (redescription)

Adriatic Sea for Podocotyle pedicellata (Stossich, 1887) Stossich, 1898 
Barents Sea for Helicometra insolita Polyanski, 1955 
Barents Sea for Helicometra plovmornini Issaitchikov, 1928 
Barents Sea for Plagioporus idoneus (Nicoll, 1909) Price, 1934 
Barents Sea for Podocotyle levinseni Issaitschikov, 1928 
Barents Sea for Podocotyle odhneri Issaitschikov, 1928 
Black Sea for Helicometra markewitschi Pogorel'tseva, 1954 
Black Sea for Helicometra pulchella (Rudolphi, 1819) Odhner, 1902 
Black Sea for Plagioporus trachuri Pogorel'tseva, 1954 
Black Sea for Podocotyle atherinae Nicoll, 1914 
Bosnia-Herzegovina for Crowcrocaecum proavitum (Wisniewski, 1933) Skrjabin & Koval, 1956 
Bosnia-Herzegovina for Crowcrocaecum testiobliquum (Wiesniewski, 1933) Skrjabin & Koval, 1956 
California for Plagioporus macrouterinus Haderlie, 1953 
California for Plagioporus serotinus Stafford, 1904 
Celebes Sea for Helicometra epinepheli Yamaguti, 1934 
Celebes Sea for Plagioporus (Paraplagioporus) lonigivesiculus Yamaguti, 1952 
Celebes Sea for Plagioporus synagris Yamaguti, 1952 
Celebes Sea for Podocotyle gracilis Yamaguti, 1952 
Colombian part of the North Pacific Ocean for Dactylostomum vitellosum Manter, 1940 
English Coast for Plagioporus obductus (Nicoll, 1909) Price, 1934  (doubtful)
English Coast for Plagioporus varius (Nicoll, 1910) Price, 1934 
English Coast for Podocotyle atherinae Nicoll, 1914 
Floridian for Hamacreadium oscitans Linton, 1910 
Floridian for Pachycreadium crassigulum (Linton, 1910) Manter, 1954 
Floridian for Podocotyle pearsei Manter, 1934 
Galapagos for Coitocaecum tropicum Manter, 1940 
Galapagos for Hamacreadium mutabile Linton, 1910 
Galapagos for Hamacreadium oscitans Linton, 1910 
Galapagos for Pachycreadium gastrocotylum (Manter, 1940) Manter, 1954 
Galapagos for Podocotyle mecopera Manter, 1940 
Hawaii for Hysterogonia balistis Hanson, 1955 
Indonesian Exclusive Economic Zone for Helicometra bassensis Woolcock, 1935 
Japan for Coitocaecum orthorchis Ozaki, 1926 
Japan for Coitocaecum plagiorchis Ozaki, 1926 
Japan for Plagioporus orientalis (Yamaguti, 1934) Yamaguti, 1954 
Japan for Podocotyle ayu Takahashi, 1928 
Japanese Exclusive Economic Zone for Decemtestis ditrematis Yamaguti, 1934 
Japanese Exclusive Economic Zone for Decemtestis takanoha Yamaguti, 1951 
Japanese Exclusive Economic Zone for Hamacreadium epinepheli Yamaguti, 1934 
Japanese Exclusive Economic Zone for Hamacreadium lethrini Yamaguti, 1934 
Japanese Exclusive Economic Zone for Helicometra bassensis Woolcock, 1935 
Japanese Exclusive Economic Zone for Helicometra epinepheli Yamaguti, 1934 
Japanese Exclusive Economic Zone for Plagioporus (Plagioporus) neopercis Yamaguti, 1938 
Japanese Exclusive Economic Zone for Plagioporus (Plagioporus) thalassomatis Yamaguti, 1942 
Japanese Exclusive Economic Zone for Plagioporus acanthogobii Yamaguti, 1951 
Japanese Exclusive Economic Zone for Plagioporus apogonichthydis Yamaguti, 1938 
Japanese Exclusive Economic Zone for Plagioporus branchiostegi Yamaguti, 1957 
Japanese Exclusive Economic Zone for Plagioporus calotomi (Yamaguti, 1934) Yamaguti, 1938 
Japanese Exclusive Economic Zone for Plagioporus elongatus (Goto & Ozaki, 1930) Price, 1934 
Japanese Exclusive Economic Zone for Plagioporus isaitschikowi (Layman, 1930) Price, 1934 
Japanese Exclusive Economic Zone for Plagioporus sillagonis Yamaguti, 1938 
Japanese Exclusive Economic Zone for Plagioporus zacconis (Yamaguti, 1934) Yamaguti, 1954 
Kaliningrad for Plagioporus occidentalis Szidat, 1944 
Kara Sea for Plagioporus nicolli (Issaitschikov, 1928) Price, 1934 
Karelia for Plagioporus angusticolle (Hausmann, 1896) Dobrovolny, 1939 
Mediterranean Sea for Helicometra pulchella (Rudolphi, 1819) Odhner, 1902 
Michigan for Plagioporus lepomis Dobrovolny, 1939 
New Zealand for Coitocaecum anaspidis Hickman, 1934 
New Zealand Exclusive Economic Zone for Plagioporus (Plagioporus) pachysomus Manter, 1954 
North America for Plagioporus angusticolle (Hausmann, 1896) Dobrovolny, 1939 
North Sea for Helicometra pulchella (Rudolphi, 1819) Odhner, 1902 
Northwest European Russia for Plagioporus angusticolle (Hausmann, 1896) Dobrovolny, 1939 
Oregon for Plagioporus siliculus Sinitsin, 1931 
Oregon for Plagioporus virens Sinitsin, 1931 
Peter the Great Bay for Decemtestis azumae (Layman, 1930) Yamaguti, 1934 
Peter the Great Bay for Plagioporus isaitschikowi (Layman, 1930) Price, 1934 
Polish part of the Baltic Sea for Plagioporus angulatus (Dujardin, 1845) Szidat, 1944 
Red Sea for Hamacreadium mutabile Linton, 1910 
Red Sea for Plagioporus lethrini (Nagaty, 1942) Koval, 1955 
Russian Far East for Plagioporus imanensis Belouss in Skrjabin & Koval, 1958 
Russian Far East for Plagioporus triangulogenitalis Belous in Skrjabin & Koval, 1958 
Soviet Union for Crowcrocaecum skrjabini (Iwanitzky, 1928) Skrjabin & Koval, 1956 
Sulawesi Sea/Makassar Strait for Plagioporus macassarensis Yamaguti, 1952 
Switzerland for Plagioporus angusticolle (Hausmann, 1896) Dobrovolny, 1939 
Tasmania for Coitocaecum anaspidis Hickman, 1934 
Tasmania for Coitocaecum parvum Crowcroft, 1945 
Trinidad for Cheloniodiplostomum cinosterni (MacCallum, 1921) Sudarikov, 1960 
United Kingdom Exclusive Economic Zone for Plagioporus idoneus (Nicoll, 1909) Price, 1934 
White Sea for Helicometra plovmornini Issaitchikov, 1928 
White Sea for Podocotyle levinseni Issaitschikov, 1928