Acanthocolpidae Lühe, 1906 (basis of record)
Acanthostomum Looss, 1899 (basis of record)
Acanthostomum absconditum (Looss, 1901) Gohar, 1934 accepted as Proctocaecum absconditum (Looss, 1901) Lamothe-Argumedo & Ponciano-Rodriguez, 1986 (basis of record)
Acanthostomum balthicum Reimer, Hildebrand, Scharberth & Walter, 1996 accepted as Timoniella balthica (Reimer, Hildebrand, Scharberth & Walter, 1996) Miller & Cribb, 2008 accepted as Timoniella imbutiforme (Molin, 1859) Brooks, 1980 accepted as Timoniella imbutiformis (Molin, 1859) Brooks, 1980 (basis of record)
Acanthostomum inerme (Stossich, 1905) Yamaguti, 1958 accepted as Aphallus tubarium (Rudolphi, 1819) Poche, 1926 (basis of record)
Acanthostomum saoudi Hassan, Khidr & Abu Samak, 1990 (basis of record)
Acanthotrema Travassos, 1928 (basis of record)
Accacladocoelium Odhner, 1928 (basis of record)
Accacladocoelium alveolatum Robinson, 1934 (basis of record)
Accacladocoelium macrocotyle (Diesing, 1858) Robinson, 1934 (basis of record)
Accacladocoelium nigroflavum (Rudolphi, 1819) Robinson, 1934 (basis of record)
Accacladocoelium petasiporum Odhner, 1928 (basis of record)
Accacoeliidae Odhner, 1911 (basis of record)
Accacoelium Monticelli, 1893 (basis of record)
Accacoelium contortum (Rudolphi, 1819) Looss, 1899 (basis of record)
Adinosoma Manter, 1947 (basis of record)
Adinosoma robusta (Manter, 1934) Manter, 1947 (basis of record)
Allocreadiidae Looss, 1902 (basis of record)
Allocreadioidea Looss, 1902 accepted as Gorgoderoidea Looss, 1901 (basis of record)
Allopodocotyle Pritchard, 1966 (basis of record)
Allopodocotyle jaffensis (Fischthal, 1980) Bray, 1987 (basis of record)
Allopodocotyle margolisi Gibson, 1995 accepted as Bathypodocotyle margolisi (Gibson, 1995) Martin, Huston, Cutmore & Cribb, 2019 (basis of record)
Allopodocotyle pedicellata (Stossich, 1887) Pritchard, 1966 (basis of record)
Allopseudocolocyntotrema Yamaguti, 1970 (basis of record)
Allopseudocolocyntotrema alioshkini Pozdnyakov, 1994 (basis of record)
Anacetabulitrema Deblock & Rosé, 1964 (basis of record)
Anacetabulitrema samarae Deblock & Rosé, 1964 (basis of record)
Ancylocoelium Nicoll, 1912 (basis of record)
Ancylocoelium typicum Nicoll, 1912 (basis of record)
Angiodictyidae Looss, 1902 accepted as Microscaphidiidae Looss, 1900 (basis of record)
Anisocladium Looss, 1902 (basis of record)
Anisocladium fallax (Rudolphi, 1819) Looss, 1902 (basis of record)
Anisocladium gracile (Looss, 1901) Vlasenko, 1931 (basis of record)
Anisocoelium Lühe, 1900 (basis of record)
Anisocoelium capitellatum (Rudolphi, 1819) Lühe, 1900 (basis of record)
Anoiktostoma Stossich, 1899 (basis of record)
Anoiktostoma coronatum (Wagener, 1852) Stossich, 1899 (basis of record)
Anomalotrema Zhukov, 1957 (basis of record)
Anomalotrema koiae Gibson & Bray, 1984 (basis of record)
Apatemon Szidat, 1928 (basis of record)
Apatemon gracilis (Rudolphi, 1819) Szidat, 1928 (basis of record)
Aphalloides Dollfus, Chabaud & Golvan, 1957 (basis of record)
Aphalloides coelomicola Dollfus, Chabaud & Golvan, 1957 (basis of record)
Aphallus Poche, 1926 (basis of record)
Aphallus tubarium (Rudolphi, 1819) Poche, 1926 (basis of record)
Aphanurus Looss, 1907 (basis of record)
Aphanurus stossichii (Monticelli, 1891) Looss, 1907 (basis of record)
Apharyngostrigea Ciurea, 1927 (basis of record)
Apharyngostrigea intermedia (Tubangui, 1932) Bychovskaja-Pavlovskaja, 1952 accepted as Parastrigea intermedia Tubangui, 1932 (basis of record)
Apocreadiidae Skrjabin, 1942 accepted as Megaperidae Manter, 1934 (basis of record)
Apocreadium Manter, 1937 accepted as Homalometron Stafford, 1904 (basis of record)
Apocreadium galaicus Sanmartin, Alvarez, Quinteiro & Paniagua, 1995 accepted as Homalometron galaicus (Sanmartin, Alvarez, Quinteiro & Paniagua, 1995) Cribb & Bray, 1999 (basis of record)
Aponurus Looss, 1907 (basis of record)
Aponurus laguncula Looss, 1907 (basis of record)
Aponurus tschugunovi Issaitschikov, 1927 (basis of record)
Apophallus Lühe, 1909 (basis of record)
Apophallus brevis Ransom, 1920 (basis of record)
Apophallus muehlingi (Jägerskiöld, 1899) Lühe, 1909 (basis of record)
Aporchis Stossich, 1905 (basis of record)
Aporchis massiliensis Timon-David, 1955 (basis of record)
Aporchis rugosus Linton, 1928 (basis of record)
Aporocotyle Odhner, 1900 (basis of record)
Aporocotyle simplex Odhner, 1900 (basis of record)
Aporocotyle spinosicanalis Williams, 1958 (basis of record)
Arnola Strand, 1942 (basis of record)
Arnola microcirrus (Vlasenko, 1931) Yamaguti, 1958 (basis of record)
Ascocotyle Looss, 1899 (basis of record)
Ascocotyle coleostoma (Looss, 1896) Looss, 1899 (basis of record)
Asymphylodora Looss, 1899 (basis of record)
Asymphylodora demeli Markowski, 1935 (basis of record)
Azygiidae Lühe, 1909 (basis of record)
Bacciger Nicoll, 1914 (basis of record)
Bacciger bacciger (Rudolphi, 1819) Nicoll, 1914 (basis of record)
Bacciger grandispinatus Naidenova, 1970 (basis of record)
Bacciger israelensis Fischthal, 1980 (basis of record)
Bacciger minutus Gaevskaja & Naidenova, 1996 (basis of record)
Bathycreadium Kabata, 1961 (basis of record)
Bathycreadium biscayense Bray, 1973 (basis of record)
Bathycreadium elongata (Maillard, 1970) Bray, 1973 accepted as Bathycreadium elongatum (Maillard, 1970) Bray, 1973 (basis of record)
Bathycreadium flexicollis Kabata, 1961 (basis of record)
Bathymonorchis Bray & Gaevskaya, 1993 (basis of record)
Bathymonorchis polyipni (Reimer, 1985) Bray & Gaevskaya, 1993 (basis of record)
Botulus Guiart, 1938 (basis of record)
Botulus microporus (Monticelli, 1889) Gibson & Bray, 1977 (basis of record)
Brachycladiidae Odhner, 1905 (basis of record)
Brachycladium Looss, 1899 (basis of record)
Brachycladium palliatum (Looss, 1885) Looss, 1899 (basis of record)
Brachycoeliidae Looss, 1899 (basis of record)
Brachyenteron Manter, 1934 (basis of record)
Brachyenteron campbelli Bray & Gibson, 1986 (basis of record)
Brachyenteron pycnorganum (Rees, 1953) Overstreet & Pritchard, 1977 (basis of record)
Brachyenteron rissoanum Bray & Campbell, 1995 (basis of record)
Brachylaima Dujardin, 1843 (basis of record)
Brachylaima fuscatum (Rudolphi, 1819) Joyeux, Baer & Timon-David, 1932 accepted as Brachylaima fuscata (Rudolphi, 1819) Joyeux, Baer & Timon-David, 1932 (basis of record)
Brachylaimidae Joyeux & Foley, 1930 (basis of record)
Brachylecithum Shtrom, 1940 (basis of record)
Brachylecithum microtesticulatum Timon-David, 1955 (basis of record)
Brachyphallus Odhner, 1905 (basis of record)
Brachyphallus crenatus (Rudolphi, 1802) Odhner, 1905 (basis of record)
Braunina Heider, 1900 (basis of record)

European waters (ERMS scope) for Acanthostomum absconditum (Looss, 1901) Gohar, 1934 
European waters (ERMS scope) for Acanthostomum balthicum Reimer, Hildebrand, Scharberth & Walter, 1996 
European waters (ERMS scope) for Acanthostomum inerme (Stossich, 1905) Yamaguti, 1958 
European waters (ERMS scope) for Acanthostomum saoudi Hassan, Khidr & Abu Samak, 1990 
European waters (ERMS scope) for Acanthotrema Travassos, 1928 
European waters (ERMS scope) for Accacladocoelium alveolatum Robinson, 1934 
European waters (ERMS scope) for Accacladocoelium macrocotyle (Diesing, 1858) Robinson, 1934 
European waters (ERMS scope) for Accacladocoelium nigroflavum (Rudolphi, 1819) Robinson, 1934 
European waters (ERMS scope) for Accacladocoelium petasiporum Odhner, 1928 
European waters (ERMS scope) for Accacoelium contortum (Rudolphi, 1819) Looss, 1899 
European waters (ERMS scope) for Adinosoma robusta (Manter, 1934) Manter, 1947 
European waters (ERMS scope) for Allopodocotyle jaffensis (Fischthal, 1980) Bray, 1987 
European waters (ERMS scope) for Allopodocotyle margolisi Gibson, 1995 
European waters (ERMS scope) for Allopodocotyle pedicellata (Stossich, 1887) Pritchard, 1966 
European waters (ERMS scope) for Allopseudocolocyntotrema alioshkini Pozdnyakov, 1994 
European waters (ERMS scope) for Anacetabulitrema samarae Deblock & Rosé, 1964 
European waters (ERMS scope) for Ancylocoelium typicum Nicoll, 1912 
European waters (ERMS scope) for Anisocladium fallax (Rudolphi, 1819) Looss, 1902 
European waters (ERMS scope) for Anisocladium gracile (Looss, 1901) Vlasenko, 1931 
European waters (ERMS scope) for Anisocoelium capitellatum (Rudolphi, 1819) Lühe, 1900 
European waters (ERMS scope) for Anoiktostoma coronatum (Wagener, 1852) Stossich, 1899 
European waters (ERMS scope) for Anomalotrema koiae Gibson & Bray, 1984 
European waters (ERMS scope) for Apatemon gracilis (Rudolphi, 1819) Szidat, 1928 
European waters (ERMS scope) for Aphalloides coelomicola Dollfus, Chabaud & Golvan, 1957 
European waters (ERMS scope) for Aphallus tubarium (Rudolphi, 1819) Poche, 1926 
European waters (ERMS scope) for Aphanurus stossichii (Monticelli, 1891) Looss, 1907 
European waters (ERMS scope) for Apharyngostrigea intermedia (Tubangui, 1932) Bychovskaja-Pavlovskaja, 1952 
European waters (ERMS scope) for Apocreadium galaicus Sanmartin, Alvarez, Quinteiro & Paniagua, 1995 
European waters (ERMS scope) for Aponurus laguncula Looss, 1907 
European waters (ERMS scope) for Aponurus tschugunovi Issaitschikov, 1927 
European waters (ERMS scope) for Apophallus brevis Ransom, 1920 
European waters (ERMS scope) for Apophallus muehlingi (Jägerskiöld, 1899) Lühe, 1909 
European waters (ERMS scope) for Aporchis massiliensis Timon-David, 1955 
European waters (ERMS scope) for Aporchis rugosus Linton, 1928 
European waters (ERMS scope) for Aporocotyle simplex Odhner, 1900 
European waters (ERMS scope) for Aporocotyle spinosicanalis Williams, 1958 
European waters (ERMS scope) for Arnola microcirrus (Vlasenko, 1931) Yamaguti, 1958 
European waters (ERMS scope) for Ascocotyle coleostoma (Looss, 1896) Looss, 1899 
European waters (ERMS scope) for Asymphylodora demeli Markowski, 1935 
European waters (ERMS scope) for Bacciger bacciger (Rudolphi, 1819) Nicoll, 1914 
European waters (ERMS scope) for Bacciger grandispinatus Naidenova, 1970 
European waters (ERMS scope) for Bacciger israelensis Fischthal, 1980 
European waters (ERMS scope) for Bacciger minutus Gaevskaja & Naidenova, 1996 
European waters (ERMS scope) for Bathycreadium biscayense Bray, 1973 
European waters (ERMS scope) for Bathycreadium elongata (Maillard, 1970) Bray, 1973 
European waters (ERMS scope) for Bathycreadium flexicollis Kabata, 1961 
European waters (ERMS scope) for Bathymonorchis polyipni (Reimer, 1985) Bray & Gaevskaya, 1993 
European waters (ERMS scope) for Botulus microporus (Monticelli, 1889) Gibson & Bray, 1977 
European waters (ERMS scope) for Brachycladium palliatum (Looss, 1885) Looss, 1899 
European waters (ERMS scope) for Brachyenteron campbelli Bray & Gibson, 1986 
European waters (ERMS scope) for Brachyenteron pycnorganum (Rees, 1953) Overstreet & Pritchard, 1977 
European waters (ERMS scope) for Brachyenteron rissoanum Bray & Campbell, 1995 
European waters (ERMS scope) for Brachylaima fuscatum (Rudolphi, 1819) Joyeux, Baer & Timon-David, 1932 
European waters (ERMS scope) for Brachylecithum microtesticulatum Timon-David, 1955 
European waters (ERMS scope) for Brachyphallus crenatus (Rudolphi, 1802) Odhner, 1905 
European waters (ERMS scope) for Braunina cordiformis Wolf, 1903 
European waters (ERMS scope) for Bucephalus anguillae Spakulova, Macko, Berrilli & Dezfuli, 2002 
European waters (ERMS scope) for Bucephalus baeri Maillard & Saad-Fares, 1981 
European waters (ERMS scope) for Bucephalus haimeanus Lacaze-Duthiers, 1854 
European waters (ERMS scope) for Bucephalus labracis Paggi & Orecchia, 1965 
European waters (ERMS scope) for Bucephalus marinus Vlasenko, 1931 
European waters (ERMS scope) for Bucephalus mytili Cole, 1935 
European waters (ERMS scope) for Bucephalus polymorphus von Baer, 1827 
European waters (ERMS scope) for Bunocotyle cingulata Odhner, 1928 
European waters (ERMS scope) for Bunocotyle progenetica (Markowski, 1936) Chabaud & Buttner, 1959 
European waters (ERMS scope) for Bunodera luciopercae (Müller, 1776) Lühe, 1909 
European waters (ERMS scope) for Cainocreadium dentecis Jousson & Bartoli, 2001 
European waters (ERMS scope) for Cainocreadium flesi Korniychuk & Gaevskaya, 2000 
European waters (ERMS scope) for Cainocreadium labracis (Dujardin, 1845) Nicoll, 1909 
European waters (ERMS scope) for Calycodes anthos (Braun, 1899) Looss, 1901 
European waters (ERMS scope) for Campula oblonga Cobbold, 1858 
European waters (ERMS scope) for Cardiocephalus longicollis (Rudolphi, 1819) Szidat, 1928 
European waters (ERMS scope) for Centroderma spinosissima (Stossich, 1883) Lühe, 1901 
European waters (ERMS scope) for Cercarioides aharonii Witenberg, 1929 
European waters (ERMS scope) for Chimaerohemecus trondheimensis van der Land, 1967 
European waters (ERMS scope) for Chrisomon tropicus (Manter, 1940) Manter & Pritchard, 1961 
European waters (ERMS scope) for Cirkennedya porlockensis Gibson & Bray, 1979 
European waters (ERMS scope) for Ciureana cryptocotyloides Issaitschikov, 1923 
European waters (ERMS scope) for Coeliotrema thynni Yamaguti, 1938 
European waters (ERMS scope) for Complexobursa Oshmarin & Mamaev, 1963 
European waters (ERMS scope) for Condylocotyla pilodora Pearson & Prévot, 1985 
European waters (ERMS scope) for Copiatestes filiferus (Leuckart in Sars, 1885) Gibson & Bray, 1977 
European waters (ERMS scope) for Cotylurus variegatus (Creplin, 1825) Szidat, 1928 
European waters (ERMS scope) for Crepidostomum metoecus (Braun, 1900) Braun, 1900 
European waters (ERMS scope) for Crowcrocaecum skrjabini (Iwanitzky, 1928) Skrjabin & Koval, 1956 
European waters (ERMS scope) for Cryptocotyle concava (Creplin, 1825) Lühe, 1899 
European waters (ERMS scope) for Cryptocotyle jejuna (Nicoll, 1907) Ransom, 1920 
European waters (ERMS scope) for Cryptocotyle lingua (Creplin, 1825) Fischoeder, 1903 
European waters (ERMS scope) for Cymatocarpus Looss, 1899 
European waters (ERMS scope) for Deretrema scorpaenicola Bartoli & Bray, 1990 
European waters (ERMS scope) for Deretrema sebastodis (Yamaguti, 1934) Yamaguti, 1940 
European waters (ERMS scope) for Derogenes adriaticus Nikolaeva, 1966 
European waters (ERMS scope) for Derogenes affinis (Rudolphi, 1819) Lühe, 1901 
European waters (ERMS scope) for Derogenes crassus Manter, 1934 
European waters (ERMS scope) for Derogenes latus Janiszewska, 1953 
European waters (ERMS scope) for Derogenes macrouri Szuks, 1981 
European waters (ERMS scope) for Derogenes minor Looss, 1901 
European waters (ERMS scope) for Derogenes ruber Lühe, 1900 
European waters (ERMS scope) for Derogenes varicus (Müller, 1784) Looss, 1901 
European waters (ERMS scope) for Derogenoides ovacutus Nicoll, 1913 

 Identification

 for Complexobursa Oshmarin & Mamaev, 1963

Complexobursa sp. [details]

 Identification

 for Cymatocarpus Looss, 1899

Cymatocarpus sp. [details]

 Identification

 for Galactosomum Looss, 1899

Galactosomum sp. [details]

 Identification

 for Gonocercella Manter, 1940

Gonocercella sp. [details]

 Identification

 for Neodiplostomum Railliet, 1919

Neodiplostomum sp. [details]

 Identification

 for Parascocotyle Stunkard & Haviland, 1924

Parascocotyle sp. [details]

 Identification

 for Platocystis Yamaguti, 1938

Platocystis sp. [details]

 Identification

 for Sphaerostoma Rudolphi, 1809

Sphaerostoma sp. [details]