Acanthocolpidae Lühe, 1906 (biology source)
Accacoeliinae Odhner, 1911 (biology source)
Aphallus tubarium (Rudolphi, 1819) Poche, 1926 (biology source)
Bacciger bacciger (Rudolphi, 1819) Nicoll, 1914 (redescription)
Brachylaima fuscatum (Rudolphi, 1819) Joyeux, Baer & Timon-David, 1932 accepted as Brachylaima fuscata (Rudolphi, 1819) Joyeux, Baer & Timon-David, 1932 (redescription)
Bucephalopsis gracilescens (Rudolphi, 1819) Nicoll, 1914 accepted as Prosorhynchoides gracilescens (Rudolphi, 1819) Stunkard, 1976 (biology source)
Bucephalopsis haimeanus (Lacaze-Duthiers, 1854) Nicoll, 1914 accepted as Prosorhynchoides haimeana (Lacaze-Duthiers, 1854) (redescription)
Bucephalus mytili Cole, 1935 (redescription)
Bucephalus polymorphus von Baer, 1827 (biology source)
Bunocotyle cingulata Odhner, 1928 (redescription)
Bunodera luciopercae (Müller, 1776) Lühe, 1909 (redescription)
Crepidostomum farionis (Müller, 1780) Lühe, 1909 (redescription)
Crepidostomum metoecus (Braun, 1900) Braun, 1900 (biology source)
Cryptocotyle concava (Creplin, 1825) Lühe, 1899 (redescription)
Cryptocotyle jejuna (Nicoll, 1907) Ransom, 1920 (biology source)
Cryptocotyle lingua (Creplin, 1825) Fischoeder, 1903 (redescription)
Derogenes varicus (Müller, 1784) Looss, 1901 (redescription)
Deropristis inflata (Molin, 1859) Odhner, 1902 (redescription)
Didymozoidae Monticelli, 1888 (biology source)
Diphterostomum brusinae (Stossich, 1888) Stossich, 1904 (redescription)
Diplostomum commutatum (Diesing, 1850) Dubois, 1937 (biology source)
Diplostomum gasterostei Williams, 1966 accepted as Diplostomum pungiti Shigin, 1965 (biology source)
Diplostomum huronense (La Rue, 1927) Hughes, 1929 (redescription)
Diplostomum phoxini (Faust, 1919) Arvy & Buttner, 1954 (redescription)
Diplostomum spathaceum (Rudolphi, 1819) Olsson, 1876 (redescription)
Echinoparyphium recurvatum (von Linstow, 1873) Lühe, 1909 (redescription)
Echinostoma revolutum (Fröhlich, 1802) Looss, 1899 (redescription)
Fellodistomum fellis (Olsson, 1868) Nicoll, 1909 (redescription)
Gigantobilharzia Odhner, 1910 (biology source)
Gymnophallus affinis Jameson & Nicoll, 1913 (redescription)
Gymnophallus choledochus Odhner, 1900 (redescription)
Gymnophallus fossarum Bartoli, 1965 (biology source)
Gynaecotyla adunca (Linton, 1905) Yamaguti, 1939 (redescription)
Hamacreadium mutabile Linton, 1910 (biology source)
Hemiuridae Looss, 1899 (biology source)
Hemiurus communis Odhner, 1905 (redescription)
Heterophyes heterophyes (von Siebold, 1852) Stiles & Hassall, 1900 (redescription)
Himasthla leptosoma (Creplin, 1829) Dietz, 1909 (redescription)
Himasthla militaris (Rudolphi, 1803) Dietz, 1909 (redescription)
Holostephanus dubinini Vojtek & Vojtkova, 1968 (redescription)
Hypoderaeum conoideum (Bloch, 1782) Dietz, 1909 (redescription)
Lecithaster confusus Odhner, 1905 (redescription)
Lepidauchen stenostoma Nicoll, 1913 (biology source)
Lepocreadium album (Stossich, 1890) Stossich, 1904 (redescription)
Lepocreadium pegorchis (Stossich, 1901) Stossich, 1904 (redescription)
Levinseniella propinqua Jägerskiöld, 1907 (biology source)
Maritrema arenaria Hadley & Castle, 1940 accepted as Maritrema gratiosum Nicoll, 1907 (redescription)
Maritrema gratiosum Nicoll, 1907 (biology source)
Maritrema subdolum Jägerskiöld, 1909 (redescription)
Maritrema syntomocyclus Deblock & Tran Van Ky, 1966 (biology source)
Meiogymnophallus minutus (Cobbold, 1859) Bowers & James, 1967 accepted as Parvatrema minutum (Cobbold, 1859) accepted as Gymnophallus minutus (Cobbold, 1859) (redescription)
Mesometra orbicularis (Rudolphi, 1819) Lühe, 1901 (redescription)
Metorchis xanthosomus (Creplin, 1846) Braun, 1902 (biology source)
Monorchiidae Odhner, 1911 (biology source)
Monorchis monorchis (Stossich, 1890) Looss, 1902 (redescription)
Neophasis lageniformis (Lebour, 1910) Miller, 1941 accepted as Neophasis anarrhichae (Nicoll, 1909) Bray, 1987 (biology source)
Neophasis oculata (Levinsen, 1881) Miller, 1941 (redescription)
Nicolla skrjabini (Iwanitzky, 1928) Dollfus, 1960 (biology source)
Notocotylus attenuatus (Rudolphi, 1809) Kossack, 1911 (biology source)
Opechona bacillaris (Molin, 1859) Dollfus, 1927 (redescription)
Opecoeloides vitellosus (Linton, 1900) von Wicklen, 1946 (redescription)
Paramonostomum alveatum (Mehlis in Creplin, 1846) Lühe, 1909 (redescription)
Paramonostomum parvum Stunkard & Dunihue, 1931 (biology source)
Parvatrema homoeotecnum James, 1964 (redescription)
Paryphostomum radiatum (Dujardin, 1845) Dietz, 1909 accepted as Petasiger radiatus (Dujardin, 1845) Tkach, Kudlai & Kostadinova, 2015 (redescription)
Philophthalmidae Looss, 1899 (biology source)
Plagiorchis laricola Skrjabin, 1924 (redescription)
Plagiorchis mutationis Panova, 1927 accepted as Plagiorchis laricola Skrjabin, 1924 (biology source)
Podocotyle atomon (Rudolphi, 1802) Odhner, 1905 (redescription)
Podocotyle reflexa (Creplin, 1825) Odhner, 1905 (biology source)
Proctoeces maculatus (Looss, 1901) Odhner, 1911 (redescription)
Prosorhynchus aculeatus Odhner, 1905 accepted as Skrjabiniella aculeata (Odhner, 1905) Issaitschikow, 1928 (biology source)
Prosorhynchus squamatus Odhner, 1905 (redescription)
Prosthogonimus ovatus (Rudolphi, 1803) Lühe, 1899 (redescription)
Psilochasmus oxyurus (Creplin, 1825) Lühe, 1909 (redescription)
Psilostomum brevicolle (Creplin, 1829) Braun, 1902 (redescription)
Ptychogonimus megastomus (Rudolphi, 1819) Lühe, 1900 accepted as Ptychogonimus megastomum (Rudolphi, 1819) Lühe, 1900 (redescription)
Renicolidae Dollfus, 1939 (biology source)
Schikhobalotrema acutum (Linton, 1910) Skrjabin & Guschanskaja, 1955 (redescription)
Spelotrema excellens Nicoll, 1907 accepted as Microphallus excellens (Nicoll, 1907) Baer, 1944 accepted as Microphallus similis (Jägerskiöld, 1900) Baer, 1944 (biology source)
Spelotrema simile (Jagerskiold, 1900) Looss, 1902 accepted as Microphallus similis (Jägerskiöld, 1900) Baer, 1944 (redescription)
Stephanoprora denticulata (Rudolphi, 1802) Odhner, 1910 accepted as Mesorchis denticulatus (Rudolphi, 1802) Dietz, 1909 (redescription)
Stephanostomum baccatum (Nicoll, 1907) Manter, 1934 (redescription)
Trichobilharzia ocellata (La Valette St. George, 1855) Brumpt, 1931 (redescription)
Zoogonus rubellus (Olsson, 1868) Odhner, 1902 (redescription)