Acanthocreadium araxicus Mikailov, 1969 (redescription)
Acanthocreadium talishiensis Mikailov, 1969 accepted as Acanthocreadium talishiense Mikailov, 1969 (redescription)
Allocreadium isoporum (Looss, 1894) Looss, 1902 (redescription)
Allocreadium markewitschi Koval, 1949 (redescription)
Allocreadium montanus Sidorov & Butenko, 1966 (redescription)
Allocreadium siluri Osmanov, 1967 (redescription)
Amurotrema dombrowskajae Akhmerov, 1959 (redescription)
Apatemon annuligerum (von Nordmann, 1832) Odening, 1970 (redescription)
Apatemon gracilis (Rudolphi, 1819) Szidat, 1928 (redescription)
Aphanurus stossichii (Monticelli, 1891) Looss, 1907 (redescription)
Apharyngostrigea cornu (Zeder, 1800) Ciurea, 1927 (redescription)
Apophallus muehlingi (Jägerskiöld, 1899) Lühe, 1909 (redescription)
Ascocotyle coleostoma (Looss, 1896) Looss, 1899 (redescription)
Asymphylodora abdurachmanovi Mikailov, 1975 (redescription)
Asymphylodora demeli Markowski, 1935 (redescription)
Asymphylodora imitans (Mühling, 1898) Looss, 1899 (redescription)
Asymphylodora kubanica Issaitschikov, 1923 (redescription)
Asymphylodora tincae (Modeer, 1790) Lühe, 1909 (redescription)
Azygia lucii (Müller, 1776) Lühe, 1909 (redescription)
Bolbophorus confusus (Krause, 1914) Dubois, 1935 (redescription)
Bucephalus polymorphus von Baer, 1827 (redescription)
Bunocotyle cingulata Odhner, 1928 (redescription)
Bunocotyle luciopercae accepted as Bunocotyle cingulata Odhner, 1928 (basis of record)
Bunodera luciopercae (Müller, 1776) Lühe, 1909 (redescription)
Bychowskycreadium bychowsky Mikailov, 1967 accepted as Allocreadium siluri Osmanov, 1967 (source of synonymy)
Clinostomum complanatum (Rudolphi, 1814) Braun, 1899 (redescription)
Conodiplostomum perlatum (Ciurea, 1911) Dubois, 1937 accepted as Ciureatrema perlatum (Ciurea, 1911) Heneberg & Sitko in Heneberg, Sitko & Těšínský, 2019 (redescription)
Crepidostomum farionis (Müller, 1780) Lühe, 1909 (redescription)
Crepidostomum latum (Pigulewsky, 1931) Hopkins, 1933 (redescription)
Crepidostomum metoecus (Braun, 1900) Braun, 1900 (redescription)
Cryptocotyle concava (Creplin, 1825) Lühe, 1899 (redescription)
Cryptocotyle jejuna (Nicoll, 1907) Ransom, 1920 (redescription)
Cryptocotyle lingua (Creplin, 1825) Fischoeder, 1903 (redescription)
Dicrogaster contracta Looss, 1902 (redescription)
Diplostomum chromatophorum (Brown, 1931) Shigin, 1986 (redescription)
Diplostomum gasterostei Williams, 1966 accepted as Diplostomum pungiti Shigin, 1965 (redescription)
Diplostomum gobiorum Shigin, 1965 (redescription)
Diplostomum helveticum (Dubois, 1929) Shigin, 1977 (redescription)
Diplostomum huronense (La Rue, 1927) Hughes, 1929 (redescription)
Diplostomum mergi Dubois, 1932 (redescription)
Diplostomum nordmanni Shigin & Shapirov in Shigin, 1986 (redescription)
Diplostomum pungiti Shigin, 1965 (redescription)
Diplostomum rutili Razmashkin, 1969 (redescription)
Diplostomum spathaceum (Rudolphi, 1819) Olsson, 1876 (redescription)
Diplostomum volvens von Nordmann, 1832 (redescription)
Echinochasmus beleocephalus (Linstow, 1873) Dietz, 1909 (redescription)
Echinochasmus coaxatus Dietz, 1909 (redescription)
Echinochasmus perfoliatus (Ratz, 1908) Gedoelst, 1911 (redescription)
Episthmium bursicola (Creplin, 1837) Lühe, 1909 accepted as Uroproctepisthmium bursicola (Creplin, 1937) Kostadinova & Gibson, 2001 (redescription)
Euclinostomum heterostomum (Rudolphi, 1809) Travassos, 1928 (redescription)
Galactosomum lacteum (Jägerskiöld, 1896) Looss, 1899 (redescription)
Galactosomum phalacrocoracis Yamaguti, 1939 (redescription)
Haplosplanchnus pachysomus (Eysenhardt, 1829) Looss, 1902 accepted as Haplosplanchnus pachysoma (Eysenhardt, 1829) Looss, 1902 (redescription)
Hemiurus appendiculatus (Rudolphi, 1802) Looss, 1899 (redescription)
Holostephanus cobitidis Opravilova, 1968 (redescription)
Holostephanus dubinini Vojtek & Vojtkova, 1968 (redescription)
Holostephanus dubius (Szidat, 1936) Mehra, 1943 accepted as Holostephanus luehei Szidat, 1936 (redescription)
Hysteromorpha triloba (Rudolphi, 1819) Lutz, 1931 (redescription)
Ichthyocotylurus pileatus (Rudolphi, 1802) Odening, 1969 (redescription)
Ichthyocotylurus platycephalus (Creplin, 1825) Odening, 1969 (redescription)
Ichthyocotylurus variegatus (Creplin, 1825) Odening, 1969 (redescription)
Mesorchis denticulatus (Rudolphi, 1802) Dietz, 1909 accepted as Stephanoprora denticulata (Rudolphi, 1802) Odhner, 1910 (redescription)
Mesorchis pseudoechinatus (Olsson, 1876) Dietz, 1909 accepted as Stephanoprora pseudoechinata (Olsson, 1876) Yamaguti, 1958 (redescription)
Mesostephanus appendiculata (Price, 1934) Lutz, 1935 accepted as Mesostephanus appendiculatoides (Price, 1934) Lutz, 1935 (redescription)
Metagonimus takahashii Suzuki in Takahashi, 1929 (source of synonymy)
Metagonimus yokogawai (Katsurada, 1912) Katsurada, 1912 (redescription)
Metorchis bilis (Braun, 1790) Odening, 1962 (redescription)
Metorchis xanthosomus (Creplin, 1846) Braun, 1902 (redescription)
Monilifer spinulosus (Rudolphi, 1809) Dietz. 1909 accepted as Echinochasmus spinulosus (Rudolphi, 1809) Baschkirova, 1947 (redescription)
Monovitella cyclointestina Ataev, 1970 (redescription)
Nicolla skrjabini (Iwanitzky, 1928) Dollfus, 1960 (redescription)
Opisthorchis felineus (Rivolta, 1884) Blanchard, 1895 (redescription)
Orientocreadium siluri (Dubinina & Bychowsky in Skrjabin, 1954) Yamaguti, 1958 accepted as Orientocreadium pseudobagri Yamaguti, 1934 (redescription)
Ornithodiplostomum scardinii (Schulman, 1952) Sudarikov & Kurochkin, 1968 accepted as Posthodiplostomum scardinii (Shulman, 1952) Achatz et al., 2021 (redescription)
Palaeorchis skrjabini Koval, 1950 (redescription)
Paracoenogonimus ovatus Katsurada, 1914 (redescription)
Parasymphylodora markewitschi (Kulakowskaja, 1947) (redescription)
Parasymphylodora parasquamosa Kulakova, 1972 (redescription)
Paryphostomum radiatum (Dujardin, 1845) Dietz, 1909 accepted as Petasiger radiatus (Dujardin, 1845) Tkach, Kudlai & Kostadinova, 2015 (redescription)
Petasiger neocomense Fuhrmann, 1927 accepted as Neopetasiger neocomense (Fuhrmann, 1927) Baschkirova, 1941 accepted as Neopetasiger neocomensis (Fuhrmann, 1927) Baschkirova, 1941 (redescription)
Petasiger phalacrocoracis (Yamaguti, 1939) Skrjabin & Bashkirova, 1956 (redescription)
Phagicola longa (Ransom, 1920) Price, 1932 accepted as Phagicola longus (Ransom, 1920) Price, 1932 accepted as Ascocotyle longa Ransom, 1920 (redescription)
Phyllodistomum angulatum von Linstow, 1907 (redescription)
Phyllodistomum elongatum Nybelin, 1926 accepted as Phyllodistomum folium (Olfers, 1816) Braun, 1899 (redescription)
Phyllodistomum folium (Olfers, 1816) Braun, 1899 (redescription)
Phyllodistomum petruschewskii Pigulewsky, 1953 (redescription)
Phyllodistomum pseudofolium Nybelin, 1926 (redescription)
Phyllodistomum simile Nybelin, 1926 accepted as Phyllodistomum folium (Olfers, 1816) Braun, 1899 (redescription)
Plagioporus skrjabini Koval in Markevich, 1951 accepted as Caudotestis skrjabini (Koval in Markevich, 1951) Yamaguti, 1971 (redescription)
Posthodiplostomum brevicaudatum (von Nordmann, 1832) Wisniewski, 1958 (redescription)
Posthodiplostomum cuticola (von Nordmann, 1832) Dubois, 1936 (redescription)
Prohemistomum vivax (Sonsino, 1892) Azim, 1933 (redescription)
Pseudamphistomum danubiense Ciurea, 1913 (source of synonymy)
Pseudamphistomum truncatum (Rudolphi, 1819) Lühe, 1908 (redescription)
Pseudopentagramma symmetricum (Chulkova, 1939) Yamaguti, 1971 accepted as Pronoprymna ventricosa (Rudolphi, 1819) Poche, 1926 (redescription)
Pygidiopsis genata Looss, 1907 (redescription)
Rhipidocotyle campanula (Dujardin, 1845) Dollfus, 1968 (redescription)
Rhipidocotyle kovalae Ivanov, 1970 (redescription)
Rossicotrema donicum Skrjabin & Lindtrop, 1919 accepted as Apophallus donicus (Skrjabin & Lindtrop, 1919) Price, 1931 (redescription)
Saccocoelium obesum Looss, 1902 (redescription)