Acanthuritrema Yamaguti, 1970 (identification resource)
Accacladium Odhner, 1928 (identification resource)
Accacladocoelium Odhner, 1928 (identification resource)
Accacoeliidae Odhner, 1911 (identification resource)
Accacoeliinae Odhner, 1911 (identification resource)
Accacoelium Monticelli, 1893 (identification resource)
Adinosoma Manter, 1947 (identification resource)
Adinosoma hawaiiense (Yamaguti, 1970) Gibson & Bray, 1979 (new combination reference)
Aerobiotrema Yamaguti, 1958 (identification resource)
Ahemiurus Chauhan, 1953 accepted as Opisthadena Linton, 1910 (identification resource)
Albulatrema Yamaguti, 1965 (identification resource)
Albulatrematinae Yamaguti, 1965 (identification resource)
Allostomachicola Yamaguti, 1958 (identification resource)
Allotangiopsis Yamaguti, 1971 (identification resource)
Anahemiurus Manter, 1947 accepted as Parahemiurus Vaz & Pereira, 1930 (identification resource)
Anguillotrema Chin & Ku, 1974 (identification resource)
Aphanurinae Skrjabin & Guschanskaja, 1954 (identification resource)
Aphanuroides Nagaty & Abdel-Aal, 1962 (identification resource)
Aphanurus Looss, 1907 (identification resource)
Aponurus Looss, 1907 (identification resource)
Arnola Strand, 1942 (identification resource)
Assitrema Parukhin, 1976 (identification resource)
Atheria Hafeezullah, 1975 accepted as Qadriana Bilqees, 1971 (identification resource)
Azygia Looss, 1899 (identification resource)
Azygiidae Lühe, 1909 (identification resource)
Azygiinae Lühe, 1909 (identification resource)
Bathycotyle Darr, 1902 (identification resource)
Bathycotylidae Dollfus, 1932 (identification resource)
Bilacinia Manter, 1969 (identification resource)
Botulus Guiart, 1938 (identification resource)
Brachyphallus Odhner, 1905 (identification resource)
Bunocotyle Odhner, 1928 (identification resource)
Bunocotylidae Dollfus, 1950 (identification resource)
Bunocotylinae Dollfus, 1950 (identification resource)
Catarinatrema Teixeira de Freitas & Santos, 1971 (identification resource)
Chelatrema Gupta & Kumari, 1977 (taxonomy source)
Chenia Hsu, 1954 (identification resource)
Cladolecithotrema Ichihara, 1970 accepted as Trifoliovarium Yamaguti, 1940 (identification resource)
Clupenurus Srivastava, 1935 accepted as Ectenurus Looss, 1907 (identification resource)
Copiatestes Crowcroft, 1948 (identification resource)
Cyatholecithochirium Yamaguti, 1970 (identification resource)
Cylindrorchiinae Poche, 1926 (status source)
Cylindrorchis Southwell, 1913 (status source)
Derogenes Lühe, 1900 (identification resource)
Derogenidae Nicoll, 1910 (identification resource)
Derogeninae Nicoll, 1910 (identification resource)
Derogenoides Nicoll, 1913 (identification resource)
Deropegus McCauley & Pratt, 1961 (identification resource)
Dichadena Linton, 1910 (identification resource)
Dictysarca Linton, 1910 (identification resource)
Dictysarcidae Skrjabin & Guschanskaja, 1955 (identification resource)
Dictysarcinae Skrjabin & Guschanskaja, 1955 (identification resource)
Dinosoma Manter, 1934 (identification resource)
Dinurinae Looss, 1907 (identification resource)
Dinurus Looss, 1907 (ecology source)
Dissosaccus Manter, 1947 (identification resource)
Duosphincter Manter & Pritchard, 1960 (identification resource)
Ectenurus Looss, 1907 (identification resource)
Elongoparorchis Rao, 1961 (identification resource)
Elytrophallinae Skrjabin & Guschanskaja, 1955 (identification resource)
Elytrophalloides Szidat, 1955 (identification resource)
Elytrophallus Manter, 1940 (identification resource)
Erilepturus Woolcock, 1935 (identification resource)
Eurycoelum Brock, 1886 (status source)
Genarchopsis Ozaki, 1925 (identification resource)
Genolinea Manter, 1925 (identification resource)
Glomericirrinae Yamaguti, 1958 (identification resource)
Glomericirrus Yamaguti, 1937 (identification resource)
Gonocerca Manter, 1925 (identification resource)
Gonocercella Manter, 1940 (identification resource)
Gonocercinae Skrjabin & Guschanskaja, 1955 (identification resource)
Halipeginae Poche, 1926 (identification resource)
Halipegus Looss, 1899 (identification resource)
Hemipera Nicoll, 1913 (identification resource)
Hemiuridae Looss, 1899 (identification resource)
Hemiurinae Looss, 1899 (ecology source)
Hemiuroidea Looss, 1899 (taxonomy source)
Hemiurus Rudolphi, 1809 (identification resource)
Hirudinella de Blainville, 1828 (identification resource)
Hirudinellidae Dollfus, 1932 (identification resource)
Hirudinelloides elongatus Gaevskaja & Kovaleva, 1977 accepted as Lampritrema miescheri (Zschokke, 1890) Margolis, 1962 (source of synonymy)
Hypohepaticola Yamaguti, 1934 (identification resource)
Hysterolecitha Linton, 1910 (identification resource)
Hysterolecithinae Yamaguti, 1958 (identification resource)
Hysterolecithoides Yamaguti, 1934 (identification resource)
Indoderogenes Srivastava, 1941 (identification resource)
Intuscirrus Acena, 1947 accepted as Genolinea Manter, 1925 (taxonomy source)
Isoparorchiidae Travassos, 1922 (identification resource)
Isoparorchis Southwell, 1913 (identification resource)
Johniophyllum Skrjabin & Guschanskaja, 1954 accepted as Elytrophallus Manter, 1940 (identification resource)
Lampritrema Yamaguti, 1940 (identification resource)
Lampritrema savalai Zaidi & Khan, 1977 (taxonomy source)
Lecithaster Lühe, 1901 (identification resource)
Lecithasteridae Odhner, 1905 (ecology source)
Lecithasterinae Odhner, 1905 (identification resource)
Lecithochiriinae Lühe, 1901 (identification resource)
Lecithochirium Lühe, 1901 (identification resource)
Lecithocladium Lühe, 1901 (identification resource)
Lecithophyllum Odhner, 1905 (identification resource)
Lethadena Manter, 1947 (identification resource)