Accacladium serpentulum Odhner, 1928 (basis of record)
Accacladocoelium macrocotyle (Diesing, 1858) Robinson, 1934 (additional source)
Accacladocoelium nigroflavum (Rudolphi, 1819) Robinson, 1934 (additional source)
Accacoelium Monticelli, 1893 (additional source)
Acetodextra Pearse, 1924 (basis of record)
Acetodextra amiuri (Stafford, 1900) Pearse, 1924 (basis of record)
Acrodactyla petalosa (Lander in Looss, 1902) Stafford, 1904 accepted as Acrolichanus petalosus (Lander in Looss, 1902) Ward, 1917 accepted as Acrolichanus auriculatus (Wedl, 1858) Skvortsov, 1927 (source of synonymy)
Allacanthochasmus artus Mueller & Van Cleave, 1932 (additional source)
Allacanthochasmus varius Van Cleave, 1922 (additional source)
Allocreadium lobatum Wallin, 1909 (basis of record)
Alloglossidium corti (Lamont, 1921) Van Cleave & Mueller, 1934 (additional source)
Alloglossidium geminum (Mueller, 1930) Van Cleave & Mueller, 1934 (additional source)
Allopodocotyle Pritchard, 1966 (taxonomy source)
Allopodocotyle boleosomi (Pearse, 1924) Kuntz & Font, 1984 accepted as Plagioporus boleosomi (Pearse, 1924) Peters, 1957 (additional source)
Amphimerus elongatus Gower, 1938 (basis of record)
Amphimerus pseudofelineus (Ward, 1901) Barker, 1911 (basis of record)
Anallocreadium pearsei Hunter & Bangham, 1932 accepted as Homalometron pearsei (Hunter & Bangham, 1932) Manter, 1947 (source of synonymy)
Anisorchis opisthorchis Polyanski, 1955 accepted as Caudotestis opisthorchis (Polyanski, 1955) Cribb, 2005 (additional source)
Anomalotrema Zhukov, 1957 (taxonomy source)
Anomalotrema putjatini Zhukov, 1957 (additional source)
Antorchis spinosus Zubchenko, 1978 accepted as Panopula spinosa (Zubchenko, 1978) Bray & Gibson, 1986 (additional source)
Apatemon gracilis (Rudolphi, 1819) Szidat, 1928 (additional source)
Apophallus americanus Van Cleave & Mueller, 1932 accepted as Apophallus brevis Ransom, 1920 (source of synonymy)
Apophallus brevis Ransom, 1920 (additional source)
Apophallus imperator Lyster, 1940 (additional source)
Apophallus venustus (Ransom, 1920) Cameron, 1936 (additional source)
Aporocotyle macfarlani Holmes, 1971 (additional source)
Aporocotyle margolisi Smith, 1967 (additional source)
Aporocotyle simplex Odhner, 1900 (additional source)
Aporocotyle theragrae Ichihara, 1970 (additional source)
Brachyenteron pycnorganum (Rees, 1953) Overstreet & Pritchard, 1977 (additional source)
Brachyphallus crenatus (Rudolphi, 1802) Odhner, 1905 (additional source)
Bucephalopsis basargini Layman, 1930 accepted as Bucephaloides basargini (Layman, 1930) accepted as Prosorhynchoides basargini (Layman, 1930) Margolis & Arthur, 1979 (additional source)
Bucephalopsis pusilla (Stafford, 1904) accepted as Bucephalopsis pusillus (Stafford, 1904) accepted as Prosorhynchoides pusillus (Stafford, 1904) Margolis & Arthur, 1979 (basis of record)
Bucephalus elegans Woodhead, 1930 (additional source)
Bunodera eucaliae (Miller, 1936) Miller, 1940 (additional source)
Bunodera luciopercae (Müller, 1776) Lühe, 1909 (additional source)
Bunodera mediovitellata Tsimbalyuk & Roitman, 1966 (additional source)
Bunodera sacculata Van Cleave & Mueller, 1932 (additional source)
Bunoderina eucaliae Miller, 1936 accepted as Bunodera eucaliae (Miller, 1936) Miller, 1940 (basis of record)
Bunoderina sacculata (Van Cleave & Mueller, 1932) Yamaguti, 1958 accepted as Bunodera sacculata Van Cleave & Mueller, 1932 (basis of record)
Caecincola parvulus Marshall & Gilbert, 1905 (additional source)
Caudotestis nicolli Issaitschikov, 1928 (additional source)
Centrovarium lobotes (MacCallum, 1895) Stafford, 1904 (additional source)
Clinostomum Leidy, 1856 (additional source)
Clinostomum complanatum (Rudolphi, 1814) Braun, 1899 (additional source)
Clinostomum marginatum (Rudolphi, 1819) Braun, 1899 (source of synonymy)
Copiatestes filiferus (Leuckart in Sars, 1885) Gibson & Bray, 1977 (additional source)
Cotylogaster occidentalis Nickerson, 1902 (additional source)
Cotylophallus venustus Ransom, 1920 accepted as Apophallus venustus (Ransom, 1920) Cameron, 1936 (additional source)
Cotylurus communis (Hughes, 1928) La Rue, 1932 accepted as Ichthyocotylurus platycephalus (Creplin, 1825) Odening, 1969 (basis of record)
Crassiphiala Van Haitsma, 1925 (additional source)
Crassiphiala bulboglossa Van Haitsma, 1925 (basis of record)
Crassiphialinae Sudarikov, 1960 (basis of record)
Crepidostomum auriculatum (Wedl, 1858) Lühe, 1909 accepted as Acrolichanus auriculatus (Wedl, 1858) Skvortsov, 1927 (basis of record)
Crepidostomum brevivitellum Hopkins, 1934 (basis of record)
Crepidostomum canadense Hopkins, 1931 accepted as Crepidostomum isostomum Hopkins, 1931 (source of synonymy)
Crepidostomum cooperi Hopkins, 1932 (additional source)
Crepidostomum cornutum (Osborn, 1903) Stafford, 1904 (additional source)
Crepidostomum ictaluri (Surber, 1928) Van Cleave & Mueller, 1934 accepted as Megalogonia ictaluri Surber, 1928 (basis of record)
Crepidostomum illinoiense Faust, 1918 (basis of record)
Crepidostomum isostomum Hopkins, 1931 (basis of record)
Crepidostomum metoecus (Braun, 1900) Braun, 1900 (additional source)
Creptotrema funduli Mueller, 1934 (basis of record)
Cryptocotyle lingua (Creplin, 1825) Fischoeder, 1903 (additional source)
Cryptogonimus chili Osborn, 1903 (additional source)
Cryptogonimus diaphanus (Stafford, 1904) Miller, 1941 (basis of record)
Culaeatrema Lasee, Font & Sutherland, 1988 accepted as Bunodera Railliet, 1896 (additional source)
Culaeatrema inconstans Lasee, Font & Sutherland, 1988 accepted as Bunodera inconstans (Lasee, Font & Sutherland, 1988) Brooks, 1992 (basis of record)
Deretrema cholaeum McFarlane, 1936 (additional source)
Deretrema pooli Annereaux, 1947 accepted as Deretrema cholaeum McFarlane, 1936 (additional source)
Derogenes Lühe, 1900 (additional source)
Derogenes plenus Stafford, 1904 (taxonomy source)
Derogenes varicus (Müller, 1784) Looss, 1901 (additional source)
Deropristis inflata (Molin, 1859) Odhner, 1902 (additional source)
Dihemistephanus fragilis (Linton, 1900) Yamaguti, 1971 (source of synonymy)
Dihemistephanus lydiae (Stossich, 1896) Looss, 1901 (additional source)
Dinosoma triangulata Campbell & Munroe, 1977 accepted as Dinosoma triangulatum Campbell & Munroe, 1977 (additional source)
Dinurus nanaimoensis McFarlane, 1936 accepted as Tubulovesicula lindbergi (Layman, 1930) Yamaguti, 1934 (additional source)
Diplostomulum huronense (La Rue, 1927) Hughes & Hall, 1929 accepted as Diplostomum spathaceum huronense (La Rue, 1927) Dubois, 1966 accepted as Diplostomum huronense (La Rue, 1927) Hughes, 1929 (basis of record)
Diplostomulum scheuringi Hughes, 1929 accepted as Diplostomum scheuringi (Hughes, 1929) Bangham & Hunter, 1939 accepted as Tylodelphys scheuringi (Hughes, 1929) Dubois, 1938 (basis of record)
Diplostomulum spathaceum (Rudolphi, 1819) accepted as Diplostomum spathaceum (Rudolphi, 1819) Olsson, 1876 (basis of record)
Diplostomum adamsi Lester & Huizinga, 1977 (basis of record)
Diplostomum baeri bucculentum Dubois & Rausch, 1948 (basis of record)
Diplostomum flexicaudum (Cort & Brooks, 1929) Van Haitsma, 1931 accepted as Diplostomum spathaceum (Rudolphi, 1819) Olsson, 1876 (basis of record)
Diplostomum huronense (La Rue, 1927) Hughes, 1929 (additional source)
Diplostomum scudderi (Olivier, 1941) Dubois, 1966 (basis of record)
Diplostomum spathaceum (Rudolphi, 1819) Olsson, 1876 (additional source)
Diplostomum spathaceum huronense (La Rue, 1927) Dubois, 1966 accepted as Diplostomum huronense (La Rue, 1927) Hughes, 1929 (basis of record)
Distomum lobotes MacCallum, 1895 accepted as Centrovarium lobotes (MacCallum, 1895) Stafford, 1904 (basis of record)
Distomum opacum Ward, 1894 accepted as Microphallus opacus (Ward, 1894) Ward, 1901 (basis of record)
Fellodistomum agnotum Nicoll, 1909 (additional source)
Fellodistomum fellis (Olsson, 1868) Nicoll, 1909 (additional source)
Fellodistomum sebastodis Yamaguti & Matumura, 1942 (additional source)
Galactosomum humbargari Park, 1936 (additional source)
Galactosomum phalacrocoracis Yamaguti, 1939 (additional source)
Genitocotyle acirra Park, 1937 accepted as Genitocotyle acirrus Park, 1937 (basis of record)
Genitocotyle acirrus Park, 1937 (additional source)
Genitocotyle atlantica Manter, 1947 (additional source)
Genolinea Manter, 1925 (additional source)