Allassostoma Stunkard, 1916 (identification resource)
Allassostoma magnum Stunkard, 1916 (redescription)
Allassostomoides Stunkard, 1924 (identification resource)
Allassostomoides parvus (Stunkard, 1916) Stunkard, 1924 (redescription)
Allassostomoides stunkardi (Holl, 1929) Skrjabin, 1949 accepted as Pisciamphistoma stunkardi (Holl, 1929) Yamaguti, 1954 (redescription)
Allassostomoides stunkardi (Holl, 1929) Skrjabin, 1949 accepted as Pisciamphistoma stunkardi (Holl, 1929) Yamaguti, 1954 (new combination reference)
Angiodictyum Looss, 1902 (identification resource)
Angiodictyum parallelum (Looss, 1901) Looss, 1902 (redescription)
Brachyphallus crenatus (Rudolphi, 1802) Odhner, 1905 (additional source)
Chiorchis Fischoeder, 1901 (identification resource)
Chiorchis fabaceus (Diesing, 1838) Fischoeder, 1901 (redescription)
Chiostichorchis Artigas & Pacheco, 1933 (identification resource)
Cladorchiidae Fischoeder, 1901 (identification resource)
Cladorchiinae Fischoeder, 1901 (identification resource)
Cladorchis Fischoeder, 1901 (identification resource)
Cleptodiscus Linton, 1910 (identification resource)
Cleptodiscus reticulatus Linton, 1910 (redescription)
Dadayius Fukui, 1929 (identification resource)
Dadayius marenzelleri (Daday, 1907) Fukui, 1929 (redescription)
Dadaytrema Travassos, 1931 (identification resource)
Dadaytrema elongata Vaz, 1932 accepted as Dadaytrema elongatum Vaz, 1932 accepted as Dadaytrema oxycephalum (Diesing, 1850) Vaz, 1932 (redescription)
Dadaytrema minima Vaz, 1932 accepted as Dadaytrema minimum Vaz, 1932 (redescription)
Dadaytrema oxycephalum (Diesing, 1850) Vaz, 1932 (redescription)
Deuterobaris Looss, 1900 (identification resource)
Deuterobaris proteus (Brandes, 1891) Looss, 1902 (redescription)
Diplodiscidae Cohn, 1904 (identification resource)
Diplodiscus Diesing, 1836 (identification resource)
Diplodiscus amphichrus Tubangui, 1933 (redescription)
Diplodiscus mehrai Pande, 1937 (redescription)
Gyliauchen Nicoll, 1915 (identification resource)
Gyliauchen ozakii Srivastava, 1938 (redescription)
Gyliauchen papillatus (Goto & Matsudaira, 1918) Goto, 1919 (redescription)
Gyliauchen tarachodes Nicoll, 1915 (redescription)
Halltrema avitellinum Lent & Teixeira de Freitas, 1939 (redescription)
Helostomatinae Skrjabin, 1949 (original description)
Helostomatis Fukui, 1929 (identification resource)
Helostomatis helostomatis (MacCallum, 1905) Travassos, 1934 (redescription)
Helostomatis sakrei Bhalerao, 1937 (redescription)
Hexangitrema Price, 1937 (identification resource)
Hexangitrema pomacanthi Price, 1937 (redescription)
Hexangium Goto & Ozaki, 1929 (identification resource)
Hexangium secundum Annereaux, 1947 accepted as Hexangium sigani Goto & Ozaki, 1929 (redescription)
Hexangium sigani Goto & Ozaki, 1929 (redescription)
Kalitrema Travassos, 1933 (identification resource)
Kalitrema kalitrema Travassos, 1933 (redescription)
Kalitrematinae Travassos, 1933 (identification resource)
Megalodiscus Chandler, 1923 (identification resource)
Megalodiscus americanus Chandler, 1923 (redescription)
Megalodiscus intermedius (Hunter, 1930) Harwood, 1932 (redescription)
Megalodiscus microphagus Inglis, 1936 accepted as Ophioxenos microphagus (Ingles, 1936) Beverley-Burton, 1987 (redescription)
Megalodiscus rankini Bravo-Hollis, 1941 (redescription)
Megalodiscus temperatus (Stafford, 1905) Harwood, 1932 (redescription)
Metacetabulum Teixeira de Freitas & Lent, 1938 (identification resource)
Metacetabulum invaginatum Teixeira de Freitas & Lent, 1938 (redescription)
Microrchis Daday, 1907 (identification resource)
Microrchis ferrumequinum (Diesing, 1836) Daday, 1906 accepted as Pseudocladorchis ferrumequinum (Diesing, 1836) Stunkard, 1925 accepted as Pseudocladorchis ferrumequinus (Diesing, 1836) Stunkard, 1925 (redescription)
Microrchis megacotyle (Diesing, 1836) Daday, 1907 (redescription)
Microscaphidiidae Looss, 1900 (identification resource)
Microscaphidium Looss, 1900 (identification resource)
Microscaphidium aberrans Looss, 1902 (redescription)
Microscaphidium reticulare (Van Beneden, 1859) Looss, 1901 (redescription)
Nematophila Travassos, 1934 (identification resource)
Nematophila grandis (Diesing, 1839) Travassos, 1934 (redescription)
Neocladorchis Bhalerao, 1937 (identification resource)
Neocladorchis burti (Prudhoe, 1944) Skrjabin, 1949 accepted as Pseudochiorchis burti (Prudhoe, 1944) Yamaguti, 1958 accepted as Stunkardia burti (Prudhoe, 1944) (new combination reference)
Neocladorchis burti (Prudhoe, 1944) Skrjabin, 1949 accepted as Pseudochiorchis burti (Prudhoe, 1944) Yamaguti, 1958 accepted as Stunkardia burti (Prudhoe, 1944) (redescription)
Neocladorchis poonaensis Bhalerao, 1937 accepted as Cleptodiscus poonensis (Bhalerao, 1937) (redescription)
Neoctangium Ruiz, 1943 (identification resource)
Neoctangium travassosi Ruiz, 1943 (redescription)
Nicollodiscus Srivastava, 1938 (identification resource)
Nicollodiscus gangeticus Srivastava, 1938 (redescription)
Octangioides Price, 1937 (identification resource)
Octangioides skrjabini Price, 1937 (redescription)
Octangium Looss, 1902 (identification resource)
Octangium hasta Looss, 1902 accepted as Octangium sagitta (Looss, 1899) Looss, 1902 (redescription)
Octangium sagitta (Looss, 1899) Looss, 1902 (redescription)
Octangium takanoi Kobayashi, 1921 accepted as Octangium sagitta (Looss, 1899) Looss, 1902 (redescription)
Ophioxenos Sumwalt, 1926 (identification resource)
Ophioxenos dienteros Sumwalt, 1926 (redescription)
Opisthodiscus Cohn, 1904 (identification resource)
Opisthodiscus diplodiscoides Cohn, 1904 (redescription)
Orientodiscus Srivastava, 1938 (identification resource)
Orientodiscus jumnai Srivastava, 1938 (redescription)
Orientodiscus lobatum Srivastava, 1938 (redescription)
Parabaris Travassos, 1922 accepted as Pseudoparabaris Yamaguti, 1958 (identification resource)
Parabaris parabaris Travassos, 1922 accepted as Pseudoparabaris parabaris (Travassos, 1922) Yamaguti, 1958 (redescription)
Parabaris quadrangulatum (Daday, 1906) Travassos, 1934 accepted as Denticauda quadrangulata (Daday, 1906) Fukui, 1929 (redescription)
Paragyliauchen Yamaguti, 1934 (identification resource)
Paragyliauchen chaetodontis Yamaguti, 1934 (redescription)
Paramphistomidae Fischoeder, 1901 (identification resource)
Paramphistomoidea Fischoeder, 1901 (identification resource)
Paramphistomum Fischoeder, 1901 (identification resource)
Polyangium Looss, 1902 (identification resource)
Polyangium colymbi (Poche, 1926) Price, 1937 accepted as Polyangium linguatula (Looss, 1899) Looss, 1902 (redescription)
Polyangium linguatula (Looss, 1899) Looss, 1902 (redescription)
Polyangium miyajimai Kobayashi, 1915 accepted as Polyangium linguatula (Looss, 1899) Looss, 1902 (redescription)
Protocladorchis Willey, 1935 (identification resource)
Protocladorchis pangasii (MacCallum, 1905) Willey, 1935 (redescription)
Pseudocladorchis Daday, 1907 (identification resource)
Pseudocladorchis cylindricus (Diesing, 1836) Daday, 1907 (redescription)