Acanthostomum scyphocephalum (Braun, 1899) Hughes, Higginbotham & Clary, 1941 accepted as Proctocaecum scyphocephalum (Braun, 1899) Lamothe-Argumedo & Ponciano-Rodriguez, 1986 accepted as Timoniella scyphocephala (Braun, 1899) Brooks, 1980 (additional source)
Adenogaster serialis Looss, 1901 (additional source)
Aliptrema Ruiz & Leão, 1955 (basis of record)
Aliptrema riberoi Ruiz & Leão, 1955 (basis of record)
Allopharynx Shtrom, 1928 (basis of record)
Allopharynx daileyi Bursey, Goldberg & Vitt, 2005 (basis of record)
Amphiorchis caborojoensis Fischthal & Acholonu, 1976 (additional source)
Amphiorchis indicus Mehrotra, 1973 (additional source)
Amphiorchis solus (Simha & Chattopadhyaya, 1970) Platt, 2002 (additional source)
Brachycoelium Dujardin, 1845 (basis of record)
Brachycoelium mesocoeliiformis Teixeira de Freitas, 1961 accepted as Brachycoelium salamandrae (von Frölich, 1789) Lühe, 1909 (source of synonymy)
Brachycoelium salamandrae (von Frölich, 1789) Lühe, 1909 (basis of record)
Caimanicola brauni (Mañé-Garzón & Gil, 1961) Brooks, 1980 (additional source)
Caimanicola marajoara Freitas & Lent, 1938 (additional source)
Carettacola stunkardi (Martin & Bamberger, 1952) Dailey, Fast & Balazs, 1991 (additional source)
Catadiscus cohni Travassos, 1926 (additional source)
Catadiscus corderoi Mañé-Garzón, 1958 (additional source)
Catadiscus dolichocotyle (Cohn, 1903) Cohn, 1904 (additional source)
Catadiscus eldoradiensis Artigas & Pérez, 1964 (additional source)
Catadiscus freitaslenti Ruiz, 1943 (additional source)
Catadiscus hylae Incorvaia, 1983 (additional source)
Catadiscus inopinatus Freitas, 1941 (additional source)
Catadiscus longicoecalis Paumarau, 1965 (additional source)
Catadiscus marinholutzi Freitas & Lent, 1939 (additional source)
Catadiscus mirandai Freitas, 1943 (additional source)
Catadiscus propinguus Freitas & Dobbin, 1956 (additional source)
Catadiscus pygmaeus (Lutz, 1928) Freitas & Lent, 1939 (additional source)
Catadiscus rochai Correa & Artigas, 1978 (additional source)
Catadiscus uruguayensis Freitas & Lent, 1939 (additional source)
Cetiosaccus galapagensis Gilbert, 1938 (additional source)
Creptotrema lynchi Brooks, 1976 accepted as Creptotrema creptotrema Travassos, Artigas & Pereira, 1928 (additional source)
Cricocephalus albus (Kuhl & van Hasselt, 1822) Looss, 1899 (additional source)
Distoma pyxidatum Bremser in Rudolphi, 1819 (basis of record)
Distomum xenodontis Cordero & Vogelsang, 1928 accepted as Opisthogonimus lecithonotus Lühe, 1900 (source of synonymy)
Glypthelmins biliaris Suriano, 1968 (basis of record)
Glypthelmins festina Cordero, 1944 (additional source)
Glypthelmins parva Travassos, 1924 (additional source)
Glypthelmins sanmartini (Mañé-Garzón & Holcman-Spector, 1974) (basis of record)
Gorgodera australiensis Johnston, 1912 (basis of record)
Gorgoderina carioca Fernandes, 1958 (basis of record)
Gorgoderina cedroi Travassos, 1924 (basis of record)
Gorgoderina chilensis Dioni, 1947 (additional source)
Gorgoderina cryptorchis Travassos, 1924 (basis of record)
Gorgoderina darwini Mañé-Garzón & Gonzáles, 1978 (basis of record)
Gorgoderina diaster Lutz, 1926 (basis of record)
Gorgoderina festoni Mata-López, 2005 (basis of record)
Gorgoderina megacysta Mañé-Garzón & Gonzáles, 1978 (basis of record)
Gorgoderina parvicava Travassos, 1922 (additional source)
Gorgoderina parvicava minuta Tantaleán & García, 1993 (basis of record)
Gorgoderina pigulevskyi Fernandes, 1958 (basis of record)
Gorgoderina rochalimai Pereira & Cuocolo, 1940 (basis of record)
Gorgoderina valdiviensis Puga, 1979 (additional source)
Haematoloechus arequipensis Ibañez & Córdova, 1979 (basis of record)
Haematoloechus freitasi Mañé-Garzón & Gil Solares, 1961 (basis of record)
Haematoloechus fuelleborni (Travassos & Darriba, 1930) Ingles, 1933 (basis of record)
Halipegus dubius Klein, 1905 (additional source)
Halltrema avitellina Lent & Teixeira de Freitas, 1939 accepted as Halltrema avitellinum Lent & Teixeira de Freitas, 1939 (additional source)
Halltrema heteroxenum (Cordero & Vogelsang, 1940) Jones, 2005 (additional source)
Haplometroides buccicola Odhner, 1910 (additional source)
Haplometroides intercaecalis Silva, Ferreira & Strüssmann, 2007 (basis of record)
Haplometroides odhneri Ruiz & Perez, 1959 (basis of record)
Iguanacola navicularis Gilbert, 1938 (additional source)
Infidum infidum (Gomes de Faria, 1910) Travassos, 1916 (basis of record)
Iquitos Mañé-Garzón & Gil, 1963 (basis of record)
Iquitos ceii Mañé-Garzón & Gil, 1963 (basis of record)
Learedius learedi Price, 1934 (additional source)
Liophistrema Artigas, Ruiz & Leão, 1943 (basis of record)
Liophistrema buccalis Holcman-Spector & Mañé-Garzón, 1973 (basis of record)
Liophistrema pulmonalis Artigas, Ruiz & Leão, 1943 accepted as Liophistrema pulmonale Artigas, Ruiz & Leão, 1943 (basis of record)
Loefgrenia loefgreni Travassos, 1920 (additional source)
Loxogenes macrocirra (Caballero & Bravo-Hollis, 1949) Yamaguti, 1958 accepted as Langeronia macrocirra Caballero & Bravo-Hollis, 1949 (basis of record)
Maicuru Teixeira de Freitas, 1960 (basis of record)
Maicuru solitarium Teixeira de Freitas, 1960 (basis of record)
Margeana sanmartini Mañé-Garzón & Holcman-Spector, 1974 accepted as Glypthelmins sanmartini (Mañé-Garzón & Holcman-Spector, 1974) (basis of record)
Mesocoelium lanfrediae Gomes, Melo, Giese, Furtado, Gonçalves & Santos, 2013 (basis of record)
Mesocoelium meggitti Bhalerao, 1927 (additional source)
Mesocoelium monas (Rudolphi, 1819) Teixeira de Freitas, 1958 (additional source)
Mesocoelium sibynomorphi Ruiz & Leão, 1943 (basis of record)
Mesocoelium waltoni Pereira & Cuocolo, 1940 (basis of record)
Metacetabulum invaginatum Teixeira de Freitas & Lent, 1938 (additional source)
Monticellius indicum Mehra, 1939 accepted as Monticellius indicus Mehra, 1939 (additional source)
Nematophila argentinum (Cordero & Vogelsang, 1940) Lenis & Vélez, 2011 (additional source)
Nematophila grandis (Diesing, 1839) Travassos, 1934 (additional source)
Nematophila venezuelensis (Cordero & Vogelsang, 1940) Yamaguti, 1958 (additional source)
Neoctangium travassosi Ruiz, 1943 (additional source)
Neodeuterobaris Brooks, 1976 (additional source)
Neodeuterobaris pritchardae Brooks, 1976 (additional source)
Octangioides Price, 1937 (additional source)
Octangioides tlacotalpensis Caballero y C., 1942 (additional source)
Opisthogonimus afranioi Pereira, 1929 (additional source)
Opisthogonimus artigasi Ruiz & Leao, 1942 (additional source)
Opisthogonimus fariai Leão & Ruiz, 1943 (basis of record)
Opisthogonimus fonsecai Ruiz & Leao, 1942 (additional source)
Opisthogonimus interrogativus (Nicoll, 1914) Pereira, 1929 (additional source)
Opisthogonimus lecithonotus Lühe, 1900 (additional source)
Opisthogonimus megabothrium Pereira, 1928 (additional source)
Opisthogonimus misionesensis Lunaschi & Drago, 2001 (basis of record)
Opisthogonimus pereirai Ruiz & Leao, 1942 (additional source)
Opisthogonimus serpentis Artigas, Ruiz & Leao, 1943 (additional source)
Opisthogonimus sulina Artigas, Ruiz & Leao, 1943 (additional source)