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)

Caspian Sea for Acanthocreadium araxicus Mikailov, 1969 
Caspian Sea for Acanthocreadium talishiensis Mikailov, 1969 
Caspian Sea for Allocreadium isoporum (Looss, 1894) Looss, 1902 
Caspian Sea for Allocreadium markewitschi Koval, 1949 
Caspian Sea for Allocreadium montanus Sidorov & Butenko, 1966 
Caspian Sea for Allocreadium siluri Osmanov, 1967 
Caspian Sea for Amurotrema dombrowskajae Akhmerov, 1959 
Caspian Sea for Apatemon annuligerum (von Nordmann, 1832) Odening, 1970 
Caspian Sea for Apatemon gracilis (Rudolphi, 1819) Szidat, 1928 
Caspian Sea for Aphanurus stossichii (Monticelli, 1891) Looss, 1907 
Caspian Sea for Apharyngostrigea cornu (Zeder, 1800) Ciurea, 1927 
Caspian Sea for Apophallus muehlingi (Jägerskiöld, 1899) Lühe, 1909 
Caspian Sea for Ascocotyle coleostoma (Looss, 1896) Looss, 1899 
Caspian Sea for Asymphylodora abdurachmanovi Mikailov, 1975 
Caspian Sea for Asymphylodora demeli Markowski, 1935 
Caspian Sea for Asymphylodora imitans (Mühling, 1898) Looss, 1899 
Caspian Sea for Asymphylodora kubanica Issaitschikov, 1923 
Caspian Sea for Asymphylodora tincae (Modeer, 1790) Lühe, 1909 
Caspian Sea for Azygia lucii (Müller, 1776) Lühe, 1909 
Caspian Sea for Bolbophorus confusus (Krause, 1914) Dubois, 1935 
Caspian Sea for Bucephalus polymorphus von Baer, 1827 
Caspian Sea for Bunocotyle cingulata Odhner, 1928 
Caspian Sea for Bunodera luciopercae (Müller, 1776) Lühe, 1909 
Caspian Sea for Clinostomum complanatum (Rudolphi, 1814) Braun, 1899 
Caspian Sea for Clinostomum complanatum (Rudolphi, 1814) Braun, 1899 
Caspian Sea for Conodiplostomum perlatum (Ciurea, 1911) Dubois, 1937 
Caspian Sea for Crepidostomum farionis (Müller, 1780) Lühe, 1909 
Caspian Sea for Crepidostomum latum (Pigulewsky, 1931) Hopkins, 1933 
Caspian Sea for Crepidostomum metoecus (Braun, 1900) Braun, 1900 
Caspian Sea for Cryptocotyle concava (Creplin, 1825) Lühe, 1899 
Caspian Sea for Cryptocotyle jejuna (Nicoll, 1907) Ransom, 1920 
Caspian Sea for Cryptocotyle lingua (Creplin, 1825) Fischoeder, 1903 
Caspian Sea for Dicrogaster contracta Looss, 1902 
Caspian Sea for Diplostomum chromatophorum (Brown, 1931) Shigin, 1986 
Caspian Sea for Diplostomum gasterostei Williams, 1966 
Caspian Sea for Diplostomum helveticum (Dubois, 1929) Shigin, 1977 
Caspian Sea for Diplostomum huronense (La Rue, 1927) Hughes, 1929 
Caspian Sea for Diplostomum mergi Dubois, 1932 
Caspian Sea for Diplostomum nordmanni Shigin & Shapirov in Shigin, 1986 
Caspian Sea for Diplostomum pungiti Shigin, 1965 
Caspian Sea for Diplostomum rutili Razmashkin, 1969 
Caspian Sea for Diplostomum spathaceum (Rudolphi, 1819) Olsson, 1876 
Caspian Sea for Diplostomum volvens von Nordmann, 1832 
Caspian Sea for Echinochasmus beleocephalus (Linstow, 1873) Dietz, 1909 
Caspian Sea for Echinochasmus coaxatus Dietz, 1909 
Caspian Sea for Echinochasmus perfoliatus (Ratz, 1908) Gedoelst, 1911 
Caspian Sea for Episthmium bursicola (Creplin, 1837) Lühe, 1909 
Caspian Sea for Euclinostomum heterostomum (Rudolphi, 1809) Travassos, 1928 
Caspian Sea for Galactosomum lacteum (Jägerskiöld, 1896) Looss, 1899 
Caspian Sea for Galactosomum phalacrocoracis Yamaguti, 1939 
Caspian Sea for Haplosplanchnus pachysomus (Eysenhardt, 1829) Looss, 1902 
Caspian Sea for Hemiurus appendiculatus (Rudolphi, 1802) Looss, 1899 
Caspian Sea for Holostephanus cobitidis Opravilova, 1968 
Caspian Sea for Holostephanus dubinini Vojtek & Vojtkova, 1968 
Caspian Sea for Hysteromorpha triloba (Rudolphi, 1819) Lutz, 1931 
Caspian Sea for Ichthyocotylurus pileatus (Rudolphi, 1802) Odening, 1969 
Caspian Sea for Ichthyocotylurus platycephalus (Creplin, 1825) Odening, 1969 
Caspian Sea for Ichthyocotylurus variegatus (Creplin, 1825) Odening, 1969 
Caspian Sea for Mesorchis denticulatus (Rudolphi, 1802) Dietz, 1909 
Caspian Sea for Mesorchis pseudoechinatus (Olsson, 1876) Dietz, 1909 
Caspian Sea for Mesostephanus appendiculata (Price, 1934) Lutz, 1935 
Caspian Sea for Metagonimus yokogawai (Katsurada, 1912) Katsurada, 1912 
Caspian Sea for Metorchis bilis (Braun, 1790) Odening, 1962 
Caspian Sea for Metorchis xanthosomus (Creplin, 1846) Braun, 1902 
Caspian Sea for Monilifer spinulosus (Rudolphi, 1809) Dietz. 1909 
Caspian Sea for Monovitella cyclointestina Ataev, 1970 
Caspian Sea for Nicolla skrjabini (Iwanitzky, 1928) Dollfus, 1960 
Caspian Sea for Opisthorchis felineus (Rivolta, 1884) Blanchard, 1895 
Caspian Sea for Orientocreadium siluri (Dubinina & Bychowsky in Skrjabin, 1954) Yamaguti, 1958 
Caspian Sea for Ornithodiplostomum scardinii (Schulman, 1952) Sudarikov & Kurochkin, 1968 
Caspian Sea for Palaeorchis skrjabini Koval, 1950 
Caspian Sea for Paracoenogonimus ovatus Katsurada, 1914 
Caspian Sea for Parasymphylodora markewitschi (Kulakowskaja, 1947) 
Caspian Sea for Parasymphylodora parasquamosa Kulakova, 1972 
Caspian Sea for Paryphostomum radiatum (Dujardin, 1845) Dietz, 1909 
Caspian Sea for Petasiger neocomense Fuhrmann, 1927 
Caspian Sea for Petasiger phalacrocoracis (Yamaguti, 1939) Skrjabin & Bashkirova, 1956 
Caspian Sea for Phagicola longa (Ransom, 1920) Price, 1932 
Caspian Sea for Phyllodistomum angulatum von Linstow, 1907 
Caspian Sea for Phyllodistomum elongatum Nybelin, 1926 
Caspian Sea for Phyllodistomum folium (Olfers, 1816) Braun, 1899 
Caspian Sea for Phyllodistomum petruschewskii Pigulewsky, 1953 
Caspian Sea for Phyllodistomum pseudofolium Nybelin, 1926 
Caspian Sea for Phyllodistomum simile Nybelin, 1926 
Caspian Sea for Plagioporus skrjabini Koval in Markevich, 1951 
Caspian Sea for Posthodiplostomum brevicaudatum (von Nordmann, 1832) Wisniewski, 1958 
Caspian Sea for Posthodiplostomum cuticola (von Nordmann, 1832) Dubois, 1936 
Caspian Sea for Prohemistomum vivax (Sonsino, 1892) Azim, 1933 
Caspian Sea for Pseudamphistomum truncatum (Rudolphi, 1819) Lühe, 1908 
Caspian Sea for Pseudopentagramma symmetricum (Chulkova, 1939) Yamaguti, 1971 
Caspian Sea for Rhipidocotyle campanula (Dujardin, 1845) Dollfus, 1968 
Caspian Sea for Rhipidocotyle kovalae Ivanov, 1970 
Caspian Sea for Rossicotrema donicum Skrjabin & Lindtrop, 1919 
Caspian Sea for Saccocoelium obesum Looss, 1902 
Caspian Sea for Saccocoelium tensum Looss, 1902 
Caspian Sea for Sanguinicola armata Plehn, 1905 
Caspian Sea for Sanguinicola inermis Plehn, 1905 
Caspian Sea for Sanguinicola volgensis (Rašín, 1929) McIntosh, 1934 
Caspian Sea for Schiginella colymbi (Shigin in Skrjabin & Bashkirova, 1956) Karmanova, 1974 
Caspian Sea for Skrjabinopsolus semiarmatus (Molin, 1858) Ivanov in Ivanov & Murygin, 1937