Acanthostomum imbutiforme (Molin, 1859) Gohar, 1934 accepted as Timoniella imbutiforme (Molin, 1859) Brooks, 1980 accepted as Timoniella imbutiformis (Molin, 1859) Brooks, 1980 (redescription)
Acanthostomum spiniceps (Looss, 1896) Looss, 1899 (redescription)
Achoerus pauli Vlasenko, 1931 accepted as Metadena pauli (Vlasenko, 1931) Yamaguti, 1958 (redescription)
Adinosoma microstoma (Chandler, 1935) Skrjabin & Gushanskaja, 1955 accepted as Lecithochirium microstomum Chandler, 1935 (redescription)
Allocreadium isoporum (Looss, 1894) Looss, 1902 (redescription)
Allocreadium transversale (Rudolphi, 1802) Odhner, 1901 (redescription)
Anahemiurus trachuri Kurashvili, 1958 accepted as Parahemiurus trachuri (Kurashvili, 1958) (redescription)
Ancylocoelium typicum Nicoll, 1912 (redescription)
Anisocladium fallax (Rudolphi, 1819) Looss, 1902 (redescription)
Anisocladium gracile (Looss, 1901) Vlasenko, 1931 (redescription)
Anisocoelium capitellatum (Rudolphi, 1819) Lühe, 1900 (redescription)
Apatemon fuligulae Yamaguti, 1933 (redescription)
Apatemon gracilis (Rudolphi, 1819) Szidat, 1928 (redescription)
Aphalloides coelomicola Dollfus, Chabaud & Golvan, 1957 (redescription)
Aphanurus stossichii (Monticelli, 1891) Looss, 1907 (redescription)
Apharyngostrigea cornu (Zeder, 1800) Ciurea, 1927 (redescription)
Aponurus laguncula Looss, 1907 (redescription)
Aponurus tschugunovi Issaitschikov, 1927 (redescription)
Apophallus microtestis Leonov, 1957 (redescription)
Apophallus muehlingi (Jägerskiöld, 1899) Lühe, 1909 (redescription)
Apopodocotyle atherinae (Nicoll, 1914) Pritchard, 1966 accepted as Podocotyle atherinae Nicoll, 1914 (redescription)
Arnola microcirrus (Vlasenko, 1931) Yamaguti, 1958 (redescription)
Aspidogaster limacoides Diesing, 1834 (redescription)
Asymphylodora demeli Markowski, 1935 (redescription)
Asymphylodora imitans (Mühling, 1898) Looss, 1899 (redescription)
Asymphylodora kubanicum Issaitschikov, 1923 accepted as Asymphylodora kubanica Issaitschikov, 1923 (redescription)
Asymphylodora markewitschi Kulakowskaja, 1947 accepted as Parasymphylodora markewitschi (Kulakowskaja, 1947) (redescription)
Asymphylodora pontica Chernyshenko, 1949 (redescription)
Asymphylodora tincae (Modeer, 1790) Lühe, 1909 (redescription)
Azygia lucii (Müller, 1776) Lühe, 1909 (redescription)
Bacciger bacciger (Rudolphi, 1819) Nicoll, 1914 (redescription)
Bacciger grandispinatus Naidenova, 1970 (redescription)
Bacciger melanostomum Naidenova, 1970 accepted as Pronoprymna petrowi (Layman, 1930) Bray & Gibson, 1980 (redescription)
Bilharziella polonica (Kowalewski, 1895) Looss, 1899 (redescription)
Bolbophorus confusus (Krause, 1914) Dubois, 1935 (redescription)
Brachyphallus musculus (Looss, 1907) Skrjabin & Guschanskaja, 1955 accepted as Lecithochirium musculus (Looss, 1907) Nasir & Diaz, 1971 (redescription)
Braunina cordiformis Wolf, 1903 (redescription)
Bucephalopsis arcuata (Linton, 1900) Eckmann, 1932 accepted as Prosorhynchoides arcuatus (Linton, 1900) Love & Moser, 1983 (redescription)
Bucephalopsis gracilescens (Rudolphi, 1819) Nicoll, 1914 accepted as Prosorhynchoides gracilescens (Rudolphi, 1819) Stunkard, 1976 (redescription)
Bucephalus marinum Vlasenko, 1931 accepted as Bucephalus marinus Vlasenko, 1931 (redescription)
Bucephalus polymorphus von Baer, 1827 (redescription)
Bunocotyle cingulata Odhner, 1928 (redescription)
Bunodera luciopercae (Müller, 1776) Lühe, 1909 (redescription)
Cainocreadium labracis (Dujardin, 1845) Nicoll, 1909 (redescription)
Campula palliata (Looss, 1885) Looss, 1899 accepted as Brachycladium palliatum (Looss, 1885) Looss, 1899 (redescription)
Cardiocephaloides brandesii (Szidat, 1928) Sudarikov, 1959 (redescription)
Cardiocephalus longicollis (Rudolphi, 1819) Szidat, 1928 accepted as Cardiocephaloides longicollis (Rudolphi, 1819) Dubois, 1982 (redescription)
Cercarioides aharonii Witenberg, 1929 (redescription)
Chrisomon tropicus (Manter, 1940) Manter & Pritchard, 1961 accepted as Lasiotocus tropicus (Manter, 1940) Bartoli & Bray, 2004 accepted as Ancylocoelium tropicum (Manter, 1940) Wee, Cutmore, Pérez-del-Olmo & Cribb, 2020 (redescription)
Ciureana cryptocotyloides Issaitschikov, 1923 accepted as Cryptocotyle cryptocotyloides (Issaitschikov, 1923) Witenberg, 1929 (redescription)
Clinostomum complanatum (Rudolphi, 1814) Braun, 1899 (redescription)
Clinostomum piscidium Southwell & Prashad, 1918 (redescription)
Conodiplostomum perlatum (Ciurea, 1911) Dubois, 1937 accepted as Ciureatrema perlatum (Ciurea, 1911) Heneberg & Sitko in Heneberg, Sitko & Těšínský, 2019 (redescription)
Cotylurus cornutus (Rudolphi, 1809) Szidat, 1928 (redescription)
Cotylurus cuculus (Thoss, 1897) Szidat, 1929 accepted as Ichthyocotylurus platycephalus (Creplin, 1825) Odening, 1969 (redescription)
Cotylurus pileatus (Rudolphi, 1802) Dubois, 1937 accepted as Ichthyocotylurus pileatus (Rudolphi, 1802) Odening, 1969 (redescription)
Cotylurus platycephalus (Creplin, 1825) Szidat, 1928 accepted as Ichthyocotylurus platycephalus (Creplin, 1825) Odening, 1969 (redescription)
Crepidostomum farionis (Müller, 1780) Lühe, 1909 (redescription)
Crowcrocaecum skrjabini (Iwanitzky, 1928) Skrjabin & Koval, 1956 accepted as Nicolla skrjabini (Iwanitzky, 1928) Dollfus, 1960 (redescription)
Cryptocotyle concava (Creplin, 1825) Lühe, 1899 (redescription)
Cryptocotyle lingua (Creplin, 1825) Fischoeder, 1903 (redescription)
Derogenes latus Janiszewska, 1953 (redescription)
Derogenes varicus (Müller, 1784) Looss, 1901 (redescription)
Derogenoides ovacutus Nicoll, 1913 (redescription)
Derogenoides sargi Pogorel'tseva, 1970 (redescription)
Deropristis hispida (Abildgaard in Rudolphi, 1819) Odhner, 1902 (redescription)
Dichadena galeata (Looss, 1907) Skrjabin & Guschanskaja, 1954 accepted as Aponurus galeatus (Looss, 1907) (redescription)
Diphterostomum brusinae (Stossich, 1888) Stossich, 1904 (redescription)
Diplostomum commutatum (Diesing, 1850) Dubois, 1937 (redescription)
Diplostomum erythrophthalmi Shigin, 1969 accepted as Diplostomum spathaceum (Rudolphi, 1819) Olsson, 1876 (redescription)
Diplostomum indistinctum (Guberlet, 1923) Hughes, 1929 accepted as Diplostomum helveticum (Dubois, 1929) Shigin, 1977 (redescription)
Diplostomum mergi Dubois, 1932 (redescription)
Diplostomum murrayense (Johnston & Cleland, 1938) Johnston & Simpson, 1939 (redescription)
Diplostomum spathaceum (Rudolphi, 1819) Olsson, 1876 (redescription)
Dissosaccus gravidus (Looss, 1907) Skrjabin & Guschanskaja, 1955 accepted as Lecithochirium gravidum Looss, 1907 accepted as Lecithochirium rufoviride (Rudolphi, 1819) Lühe, 1901 (redescription)
Echinochasmus amphibolus Kotlan, 1922 (redescription)
Echinochasmus bagulai Verma, 1935 (redescription)
Echinochasmus beleocephalus (Linstow, 1873) Dietz, 1909 (redescription)
Echinochasmus bursicola (Creplin, 1837) accepted as Uroproctepisthmium bursicola (Creplin, 1937) Kostadinova & Gibson, 2001 (redescription)
Echinochasmus coaxatus Dietz, 1909 (redescription)
Echinochasmus dietzevi Issaitschikov, 1927 (redescription)
Echinochasmus liliputanus (Looss, 1896) Odhner, 1910 (identification resource)
Echinochasmus mathevossianae Shakhtachtinskaja in Kurashvili, 1957 (redescription)
Echinochasmus microacetabulum Leonov, 1958 (redescription)
Echinochasmus militaris Leonov, 1958 (redescription)
Echinochasmus mordax (Looss, 1899) Price, 1931 (redescription)
Echinochasmus perfoliatus (Ratz, 1908) Gedoelst, 1911 (redescription)
Echinochasmus spinulosus (Rudolphi, 1809) Baschkirova, 1947 (redescription)
Echinoparyphium aconiatum Dietz, 1909 (redescription)
Echinoparyphium cinctum (Rudolphi, 1803) Baschkirova, 1941 (redescription)
Echinostoma revolutum (Fröhlich, 1802) Looss, 1899 (redescription)
Echinostoma sudanense Odhner, 1911 (redescription)
Ectenurus lepidus Looss, 1907 (redescription)
Ectenurus virgulus Linton, 1910 accepted as Ectenurus virgula Linton, 1910 (redescription)
Galactosomum cochleariforme (Rudolphi, 1819) Pratt, 1911 (redescription)
Galactosomum lacteum (Jägerskiöld, 1896) Looss, 1899 (redescription)
Galactosomum phalacrocoracis Yamaguti, 1939 (redescription)
Galactosomum puffini Yamaguti, 1941 (redescription)
Gynaecotyla longiintestinata Leonov, 1958 accepted as Gynaecotyla adunca (Linton, 1905) Yamaguti, 1939 (redescription)
Gynaecotyla nassicola (Cable & Hunninen, 1938) Rankin, 1940 (redescription)