Acetodextra Pearse, 1924 (identification resource)
Acetodextra amiuri (Stafford, 1900) Pearse, 1924 (redescription)
Allacanthochasmus Van Cleave, 1922 (identification resource)
Allacanthochasmus artus Mueller & Van Cleave, 1932 (redescription)
Allacanthochasmus varius Van Cleave, 1922 (redescription)
Anas hornschuchi (basis of record)
Apophallinae Ciurea, 1924 (identification resource)
Apophallus Lühe, 1909 (identification resource)
Apophallus americanus Van Cleave & Mueller, 1932 accepted as Apophallus brevis Ransom, 1920 (redescription)
Apophallus bacalloti Morozov, 1952 (original description)
Apophallus brevis Ransom, 1920 (redescription)
Apophallus crami Price, 1931 (redescription)
Apophallus imperator Lyster, 1940 (redescription)
Apophallus muehlingi (Jägerskiöld, 1899) Lühe, 1909 (redescription)
Ascocotyle Looss, 1899 (identification resource)
Ascocotyle coleostoma (Looss, 1896) Looss, 1899 (redescription)
Ascocotyle felippei Travassos, 1929 (redescription)
Ascocotyle mcintoshi Price, 1936 (redescription)
Ascocotyle megalocephala Price, 1932 (redescription)
Ascocotyle puertoricensis Price, 1932 accepted as Ascocotyle felippei Travassos, 1929 (redescription)
Biovarium Yamaguti, 1934 (identification resource)
Biovarium cryptocotyle Yamaguti, 1934 (redescription)
Caecincola Marshall & Gilbert, 1905 (identification resource)
Caecincola parvulus Marshall & Gilbert, 1905 (redescription)
Caimanicola Freitas & Lent, 1938 (identification resource)
Caimanicola marajoara Freitas & Lent, 1938 (redescription)
Centrocestus Looss, 1899 (identification resource)
Centrocestus armatus (Tanabe, 1922) Price, 1932 (redescription)
Centrocestus cuspidatus (Looss, 1896) Looss, 1899 (redescription)
Centrocestus formosanus (Nishigori, 1924) Price, 1932 (redescription)
Centrovarium Stafford, 1904 (identification resource)
Cercarioides Witenberg, 1929 (identification resource)
Cercarioides aharonii Witenberg, 1929 (redescription)
Cercarioides baylisi Gohar, 1930 accepted as Cercarioides aharonii Witenberg, 1929 (redescription)
Ciureana Skrjabin, 1923 accepted as Cryptocotyle Lühe, 1899 (identification resource)
Ciureana cryptocotyloides Issaitschikov, 1923 accepted as Cryptocotyle cryptocotyloides (Issaitschikov, 1923) Witenberg, 1929 (redescription)
Ciureana quinqueangularis Skrjabin, 1923 accepted as Cryptocotyle quinqueangularis (Skrjabin, 1923) Witenberg, 1929 (redescription)
Cryptocotyle Lühe, 1899 (identification resource)
Cryptocotyle concava (Creplin, 1825) Lühe, 1899 (redescription)
Cryptocotyle jejuna (Nicoll, 1907) Ransom, 1920 (redescription)
Cryptocotyle lingua (Creplin, 1825) Fischoeder, 1903 (redescription)
Cryptocotylinae Lühe, 1909 (identification resource)
Cryptogonimidae Ward, 1917 (identification resource)
Cryptogonimus Osborn, 1903 (identification resource)
Cryptogonimus chili Osborn, 1903 (redescription)
Cryptogonimus diaphanus (Stafford, 1904) Miller, 1941 (redescription)
Dexiogonimus Witenberg, 1929 accepted as Metagonimus Katsurada, 1912 (identification resource)
Dexiogonimus ciureanus Witenberg, 1929 accepted as Metagonimus ciureanus (Witenberg, 1929) Price, 1931 (redescription)
Diorchitrema Witenberg, 1929 accepted as Stellantchasmus Onji & Nishio, 1916 (identification resource)
Diorchitrema formosanus (Katsuta, 1931) accepted as Stellantchasmus formosanus Katsuta, 1931 accepted as Stellantchasmus falcatus Onji & Nishio, 1916 (redescription)
Diorchitrema pseudocirrata Witenberg, 1929 accepted as Stellantchasmus pseudocirratus (Witenberg, 1929) Yamaguti, 1958 (redescription)
Euhaplorchis Martin, 1950 (identification resource)
Euhaplorchis californiensis Martin, 1950 (redescription)
Exorchis Kobayashi, 1921 (identification resource)
Exorchis oviformis Kobayashi, 1921 (redescription)
Galactosomum Looss, 1899 (identification resource)
Galactosomum anguillarum (Tubangui, 1933) Tubangui & Africa, 1938 accepted as Tubanguia anguillarum (Tubangui, 1933) Yamaguti, 1958 (redescription)
Galactosomum cochleariforme (Rudolphi, 1819) Pratt, 1911 (redescription)
Galactosomum darbyi Price, 1934 (redescription)
Galactosomum erinaceum (Poirier, 1886) Bittner & Sprehn, 1928 (additional source)
Galactosomum humbargari Park, 1936 (redescription)
Galactosomum johnsoni Price, 1934 (redescription)
Galactosomum lacteum (Jägerskiöld, 1896) Looss, 1899 (redescription)
Galactosomum phalacrocoracis Yamaguti, 1939 (redescription)
Galactosomum puffini Yamaguti, 1941 (redescription)
Galactosomum spinetum (Braun, 1901) Travassos, 1929 (redescription)
Haplorchis Looss, 1899 (identification resource)
Haplorchis pumilio (Looss, 1896) Looss, 1899 (redescription)
Haplorchis taichui (Nishigori, 1924) Witenberg, 1930 (redescription)
Haplorchis yokogawai (Katsuta, 1932) Chen, 1936 (redescription)
Haplorchoides Chen, 1949 (identification resource)
Haplorchoides attenuatus (Srivastava, 1935) Chen, 1949 (redescription)
Haplorchoides cahirinus (Looss, 1896) Chen, 1949 (redescription)
Haplorchoides gangeticus (Srivastava, 1935) Chen, 1949 (redescription)
Haplorchoides piscicola (Srivastava, 1935) Chen, 1949 (redescription)
Haplorchoides silundii (Srivastava, 1935) Chen, 1949 (redescription)
Haplorchoides taakree (Dayal, 1935) Chen, 1949 (redescription)
Heterophyes Cobbold, 1866 (identification resource)
Heterophyes aequalis Looss, 1902 (redescription)
Heterophyes dispar Looss, 1902 (redescription)
Heterophyes heterophyes (von Siebold, 1852) Stiles & Hassall, 1900 (redescription)
Heterophyes katsuradai Ozaki & Asada, 1926 (redescription)
Heterophyes nocens Onji & Nishio, 1916 (redescription)
Heterophyidae Leiper, 1909 (identification resource)
Heterophyopsis Tubangui & Africa, 1938 (identification resource)
Heterophyopsis expectans (Africa & Garcia, 1935) Tubangui & Africa, 1938 (redescription)
Iheringtrema Travassos, 1947 (identification resource)
Iheringtrema iheringi Travassos, 1947 (redescription)
Knipowitschiatrema Issaitschikov, 1927 accepted as Galactosomum Looss, 1899 (identification resource)
Knipowitschiatrema nicolai Issaitchikow, 1927 accepted as Galactosomum nicolai (Isaichikov, 1927) Beuret, Scott & Pearson, 2000 (redescription)
Larus arcticus MacGillivray (basis of record)
Mehratrema Srivastava, 1939 accepted as Monodhelmis Dollfus, 1937 (identification resource)
Metadena Linton, 1910 (identification resource)
Metadena adglobosa Manter, 1947 (redescription)
Metadena crassulata Linton, 1910 (redescription)
Metadena globosa (Linton, 1910) Manter, 1947 accepted as Stegopa globosa Linton, 1910 (redescription)
Metadena pagrosomi Yamaguti, 1938 (redescription)
Metagonimoides Price, 1931 accepted as Metagonimus Katsurada, 1912 (identification resource)
Metagonimus Katsurada, 1912 (identification resource)
Metagonimus minutus Yokogawa in Katsuta, 1932 (redescription)