Adenodiplostomum Dubois, 1937 (identification resource)
Alaria Schrank, 1788 (identification resource)
Alariidae Tubangui, 1922 accepted as Diplostomidae Poirier, 1886 (source of synonymy)
Alariinae Hall & Wigdor, 1918 (identification resource)
Allodiplostomum Yamaguti, 1935 (identification resource)
Austrodiplostomum Szidat & Nani, 1951 (identification resource)
Bolbophorus Dubois, 1935 (identification resource)
Bursacetabulus Dronen, Tehrany & Wardle, 1999 (identification resource)
Bursatintinnabulus Tehrany, Dronen & Wardle, 1999 (identification resource)
Cercocotyla Yamaguti, 1939 (identification resource)
Choanouvulifer Lung, 1966 accepted as Posthodiplostomum Dubois, 1936 (source of synonymy)
Codonocephalinae Sudarikov, 1959 (identification resource)
Codonocephalus Diesing, 1850 (identification resource)
Conodiplostomum Dubois, 1937 accepted as Neodiplostomum Railliet, 1919 (identification resource)
Crassiphiala Van Haitsma, 1925 (identification resource)
Crassiphialinae Sudarikov, 1960 (identification resource)
Cynodiplostomum Dubois, 1936 (identification resource)
Didelphodiplostomum Dubois, 1945 accepted as Tylodelphys Diesing, 1850 (identification resource)
Diplostomidae Poirier, 1886 (identification resource)
Diplostominae Poirier, 1886 (identification resource)
Diplostomum von Nordmann, 1832 (identification resource)
Dolichorchis Dubois, 1961 (identification resource)
Enhydridiplostomum Dubois, 1945 accepted as Paralaria Krause, 1914 (source of synonymy)
Fibricolinae Sudarikov, 1960 accepted as Alariinae Hall & Wigdor, 1918 (source of synonymy)
Glossodiplostomoides Bhalerao, 1942 (identification resource)
Harvardia Baer, 1932 (identification resource)
Hysteromorpha Lutz, 1931 (identification resource)
Laterostrigea Yang, 1962 accepted as Pulvinifer Yamaguti, 1933 (source of synonymy)
Lophosicyadiplostomum Dubois, 1936 (identification resource)
Mesoophorodiplostomum Dubois, 1936 accepted as Posthodiplostomum Dubois, 1936 (identification resource)
Neodiplostomum Railliet, 1919 (identification resource)
Neoharvardia Gupta, 1963 (identification resource)
Neoparadiplostomum Bisseru, 1957 accepted as Neodiplostomum Railliet, 1919 (source of synonymy)
Ornithodiplostomum Dubois, 1936 accepted as Posthodiplostomum Dubois, 1936 (identification resource)
Pharyngostominae Szidat, 1936 accepted as Alariinae Hall & Wigdor, 1918 (source of synonymy)
Pharyngostomoides procyonis Harkema, 1942 accepted as Alaria procyonis (Harkema, 1942) Achatz, Chermak, Martens, Woodyard, Rosser, Pulis, Weinstein, McAllister, Kinsella & Tkach, 2022 (identification resource)
Pharyngostomum Ciurea, 1922 (identification resource)
Podospathalium Dubois, 1932 (identification resource)
Posthodiplostomoides Williams, 1969 (identification resource)
Posthodiplostomum Dubois, 1936 (identification resource)
Procyotrema Harkema & Miller, 1959 (identification resource)
Procyotrematinae Yamaguti, 1971 accepted as Alariinae Hall & Wigdor, 1918 (source of synonymy)
Prudhoella Beverley-Burton, 1960 (identification resource)
Pseudocercocotyla Yamaguti, 1971 accepted as Cercocotyla Yamaguti, 1939 (source of synonymy)
Pseudodiplostomum Yamaguti, 1934 (identification resource)
Pseudoscolopacitrema Palmieri, Krishnasamy & Sullivan, 1979 (identification resource)
Scolopacitrema Sudarikov & Rykovsky, 1958 (identification resource)
Sphincterodiplostomum Dubois, 1936 (identification resource)
Subuvulifer Dubois, 1952 (identification resource)
Tylodelphys Diesing, 1850 (identification resource)
Uvulifer Yamaguti, 1934 (identification resource)