Accacoeliidae Odhner, 1911 (identification resource)
Azygiidae Lühe, 1909 (identification resource)
Azygiinae Lühe, 1909 (identification resource)
Botulus Guiart, 1938 (identification resource)
Bunocotylidae Dollfus, 1950 (identification resource)
Derogenes Lühe, 1900 (identification resource)
Derogenidae Nicoll, 1910 (identification resource)
Derogeninae Nicoll, 1910 (identification resource)
Dinosoma Manter, 1934 (identification resource)
Dissosaccus Manter, 1947 (identification resource)
Elytrophallinae Skrjabin & Guschanskaja, 1955 (identification resource)
Elytrophalloides Szidat, 1955 (identification resource)
Genolinea Manter, 1925 (identification resource)
Glomericirrinae Yamaguti, 1958 (identification resource)
Glomericirrus Yamaguti, 1937 (identification resource)
Gonocerca Manter, 1925 (identification resource)
Gonocercinae Skrjabin & Guschanskaja, 1955 (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)
Hirudinellidae Dollfus, 1932 (identification resource)
Lecithasteridae Odhner, 1905 (ecology source)
Lecithasterinae Odhner, 1905 (identification resource)
Lecithochiriinae Lühe, 1901 (identification resource)
Lecithochirium Lühe, 1901 (identification resource)
Lecithophyllum Odhner, 1905 (identification resource)
Opisthadeninae Yamaguti, 1970 (identification resource)
Otodistomum Stafford, 1904 (identification resource)
Paraccacladiinae Bray & Gibson, 1977 accepted as Paraccacladiidae Bray & Gibson, 1977 (identification resource)
Paraccacladium Bray & Gibson, 1977 (identification resource)
Plerurinae Gibson & Bray, 1979 (original description)
Progonus Looss, 1899 (identification resource)
Pseudolecithaster Campbell & Munroe, 1977 accepted as Trifoliovarium Yamaguti, 1940 (identification resource)
Trifoliovariinae Yamaguti, 1958 (ecology source)
Trifoliovarium Yamaguti, 1940 (ecology source)