Acanthostomum gymnarchi (Dollfus, 1950) Yamaguti, 1958 accepted as Gymnatrema gymnarchi (Dollfus, 1950) Morozov, 1955 (new combination reference)
Acanthostomum inerme (Stossich, 1905) Yamaguti, 1958 accepted as Aphallus tubarium (Rudolphi, 1819) Poche, 1926 (new combination reference)
Acrodactyla Stafford, 1904 accepted as Acrolichanus Ward, 1917 (status source)
Acrolichanus Ward, 1917 (status source)
Allocreadioides Yamaguti, 1971 accepted as Allocreadium Looss, 1900 (status source)
Allogomtiotrema Yamaguti, 1958 (original description)
Allogomtiotrema attu (Gupta, 1955) Yamaguti, 1958 (new combination reference)
Allogomtiotrematinae Yamaguti, 1958 (original description)
Allopetasiger Yamaguti, 1958 accepted as Neoacanthoparyphium Yamaguti, 1958 (original description)
Allopetasiger linguiformis (Kogame, 1935) Yamaguti, 1958 (new combination reference)
Allostomachicola Yamaguti, 1958 (original description)
Allostomachicola secundus (Srivastava, 1939) Yamaguti, 1958 (new combination reference)
Antorchiinae Skrjabin & Koval, 1957 accepted as Faustulidae Poche, 1926 (additional source)
Apharyngogyliaucheninae Yamaguti, 1958 accepted as Gyliaucheninae Fukui, 1929 (original description)
Apopharynginae Yamaguti, 1958 (original description)
Arnola microcirrus (Vlasenko, 1931) Yamaguti, 1958 (new combination reference)
Arnolinae Yamaguti, 1958 accepted as Halipeginae Poche, 1926 (original description)
Ascocotylinae Yamaguti, 1958 accepted as Heterophyidae Leiper, 1909 (original description)
Atalostrophiinae Yamaguti, 1958 accepted as Nematobothriinae Ishii, 1935 (original description)
Baccigerinae Yamaguti, 1958 (original description)
Basantisiinae Yamaguti, 1958 (original description)
Basantisiini Yamaguti, 1958 (original description)
Brahamputrotrematidae Yamaguti, 1958 accepted as Lissorchiidae Magath, 1917 (original description)
Braunotrematidae Yamaguti, 1958 (original description)
Bucephalus blanchardi (Stossich, 1898) Yamaguti, 1958 (new combination reference)
Bucephalus viperae (Beneden, 1870) Yamaguti, 1958 accepted as Rhipidocotyle viperae (Van Beneden, 1870) Nicoll, 1914 (new combination reference)
Bucephalus vivae (van Beneden, 1870) Yamaguti, 1958 (new combination reference)
Bunoderina sacculata (Van Cleave & Mueller, 1932) Yamaguti, 1958 accepted as Bunodera sacculata Van Cleave & Mueller, 1932 (new combination reference)
Cainocreadium pseudotritoni (Rankin, 1937) Yamaguti, 1958 accepted as Allocreadium pseudotritoni Rankin, 1937 (new combination reference)
Cardicolinae Yamaguti, 1958 accepted as Aporocotylidae Odhner, 1912 (original description)
Caudotestis protei (Prudhoe, 1945) Yamaguti, 1958 (new combination reference)
Caudotestis serratus (Miller, 1940) Yamaguti, 1958 accepted as Plagioporus serratus Miller, 1940 (new combination reference)
Cloacitrematinae Yamaguti, 1958 (additional source)
Colocyntotrematinae Yamaguti, 1958 accepted as Gonapodasmiinae Ishii, 1935 (original description)
Crepidostomum petalosum (Lander in Looss, 1902) Yamaguti, 1958 (new combination reference)
Dadaytrematinae Yamaguti, 1958 accepted as Dadayiinae Fukui, 1929 (original description)
Denticaudinae Yamaguti, 1958 accepted as Microscaphidiidae Looss, 1900 (original description)
Deontacylicinae Yamaguti, 1958 accepted as Aporocotylidae Odhner, 1912 (original description)
Dermadenidae Yamaguti, 1958 accepted as Lepocreadiidae Odhner, 1905 (original description)
Dermadeninae Yamaguti, 1958 accepted as Lepocreadiinae Odhner, 1905 accepted as Lepocreadiidae Odhner, 1905 (original description)
Diasiellinae Yamaguti, 1958 (original description)
Dicrogasterinae Yamaguti, 1958 accepted as Haploporinae Nicoll, 1914 (original description)
Dictyangiinae Yamaguti, 1958 accepted as Microscaphidiidae Looss, 1900 (original description)
Dolichoenterinae Yamaguti, 1958 (original description)
Echinostephillinae Yamaguti, 1958 (original description)
Echinostoma hsui Yamaguti, 1958 accepted as Echinostoma asiatica Mendheim, 1943 (original description)
Enenteridae Yamaguti, 1958 (original description)
Euclinostominae Yamaguti, 1958 (original description)
Euparyphium beaveri Yamaguti, 1958 accepted as Isthmiophora beaveri (Yamaguti, 1958) Kostadinova & Gibson, 2002 (original description)
Euryhelminae Morozov, 1950 accepted as Euryhelminthinae Morozov, 1950 (replacement name source)
Faustula brevichrus (Srivastava, 1935) Yamaguti, 1958 (new combination reference)
Faustula clupeae (Srivastava, 1935) Yamaguti, 1958 (new combination reference)
Faustula gangetica (Srivastava, 1935) Yamaguti, 1958 (new combination reference)
Faustula ilishii (Srivastava, 1935) Yamaguti, 1958 accepted as Faustula gangetica (Srivastava, 1935) Yamaguti, 1958 (new combination reference)
Faustula sayori (Yamaguti, 1942) Yamaguti, 1958 accepted as Pronoprymna sayori (Yamaguti, 1942) Dronen, Blend, Mohammed & Bannai, 2021 (new combination reference)
Genarchopsis dasus (Gupta, 1951) Yamaguti, 1958 accepted as Genarchopsis goppo Ozaki, 1925 (new combination reference)
Genarchopsis faruquis (Gupta, 1951) Yamaguti, 1958 accepted as Genarchopsis goppo Ozaki, 1925 (new combination reference)
Genarchopsis indica (Gupta, 1951) Yamaguti, 1958 accepted as Genarchopsis goppo Ozaki, 1925 (new combination reference)
Glomericirrinae Yamaguti, 1958 (original description)
Glypthelmins vesicalis (Ruiz & Leao, 1923) Yamaguti, 1958 accepted as Glypthelmins elegans Travassos, 1926 accepted as Choledocystus elegans (Travassos, 1926) Ruiz, 1949 (new combination reference)
Haematotrephus nittanyense (Zeliff, 1946) Yamaguti, 1958 (new combination reference)
Halipegus salmini Yamaguti, 1958 accepted as Genarchella genarchella Travassos, Artigas & Pereira, 1928 (original description)
Haplorchoides macrones (Dayal, 1949) Yamaguti, 1958 (new combination reference)
Hemipera manteri (Crowcroft, 1947) Yamaguti, 1958 (new combination reference)
Hemipera nicolli (Manter, 1934) Yamaguti, 1958 (new combination reference)
Hexangiinae Yamaguti, 1958 accepted as Microscaphidiidae Looss, 1900 (original description)
Hurleytrematinae Yamaguti, 1958 (original description)
Hysterolecithinae Yamaguti, 1958 (original description)
Ignaviinae Yamaguti, 1958 (original description)
Isthmiophora malayana (Leiper, 1911) Yamaguti, 1958 accepted as Artyfechinostomum malayanum (Leiper, 1911) Menheim, 1943 (new combination reference)
Ithyoclinostominae Yamaguti, 1958 (original description)
Labriferinae Yamaguti, 1958 accepted as Lepocreadiinae Odhner, 1905 accepted as Lepocreadiidae Odhner, 1905 (original description)
Lankatrematinae Yamaguti, 1958 accepted as Opisthotrematidae Poche, 1926 (original description)
Lecithobotrys (Saccocoelioides) Szidat, 1954 accepted as Saccocoelioides Szidat, 1954 (taxonomy source)
Lecithodesminae Yamaguti, 1958 accepted as Brachycladiinae Odhner, 1905 (original description)
Lecithodesmus delphini (Poirier, 1886) Yamaguti, 1958 accepted as Brachycladium delphini (Poirier, 1886) Looss, 1899 (new combination reference)
Lecithophyllum pyriforme (Linton, 1910) Yamaguti, 1958 accepted as Aponurus pyriformis (Linton, 1910) Overstreet, 1973 (new combination reference)
Leipertrematinae Yamaguti, 1958 (original description)
Lepidapedinae Yamaguti, 1958 accepted as Lepidapedidae Yamaguti, 1958 (original description)
Leucochloridiomorphidae Yamaguti, 1958 (original description)
Liliatrema (Liliatrematoides) Yamaguti, 1958 accepted as Liliatrema Gubanov, 1953 (original description)
Lucknoides Gupta, 1955 accepted as Neopecoelina Gupta, 1955 (source of synonymy)
Macrorchitrematinae Yamaguti, 1958 accepted as Dadayiinae Fukui, 1929 (original description)
Manteriella Yamaguti, 1958 (original description)
Manteriella crassa (Manter, 1947) Yamaguti, 1958 (new combination reference)
Massoprostatinae Yamaguti, 1958 accepted as Proterodiplostomidae Dubois, 1936 (original description)
Metadena pauli (Vlasenko, 1931) Yamaguti, 1958 (new combination reference)
Microrchiinae Yamaguti, 1958 accepted as Dadayiinae Fukui, 1929 (original description)
Monascus orientalis (Srivastava, 1941) Yamaguti, 1958 accepted as Monascus filiformis (Rudolphi, 1819) Looss, 1907 (new combination reference)
Morishitium bivesiculatum (Prudhoe, 1944) Yamaguti, 1958 (new combination reference)
Morishitium dollfusi (Timon-David, 1950) Yamaguti, 1958 (new combination reference)
Morishitium dumetellae (Zeliff, 1943) Yamaguti, 1958 (new combination reference)
Morishitium sinhaldripa (Fernando, 1950) Yamaguti, 1958 accepted as Selfcoelum sinhaladvipa (Fernando, 1950) Dronen & Blends, 2015 (new combination reference)
Morishitium straightum (Khan, 1935) Yamaguti, 1958 (new combination reference)
Myzotinae Yamaguti, 1958 accepted as Apocreadiinae Skrjabin, 1942 (original description)
Neidhartiinae Yamaguti, 1958 accepted as Prosorhynchinae Nicoll, 1914 (original description)
Nematophila venezuelensis (Cordero & Vogelsang, 1940) Yamaguti, 1958 (new combination reference)
Neoacanthoparyphium Yamaguti, 1958 (original description)
Neoacanthoparyphium petrowi (Nevostrueva, 1953) Yamaguti, 1958 (new combination reference)
Neodiplotrematinae Yamaguti, 1958 accepted as Gonapodasmiinae Ishii, 1935 (original description)