• Acanthobothrium batailloni Euzet, 1955
• Acanthobothrium brevissime Linton, 1909
• Acanthobothrium chilense Rego, Vincente & Herrera, 1968
• Acanthobothrium chilensis Rego, Vincente & Herrera, 1968 accepted as Acanthobothrium chilense Rego, Vincente & Herrera, 1968
• Acanthobothrium gonzalesmugaburoi Severino & Sarmiento, 1979
• Acanthobothrium holorhini Alexander, 1953
• Acanthobothrium lusarmientoi Severino & Verano, 1980
• Acanthobothrium olseni Dailey & Mudry, 1968
• Acanthobothrium peruviense Reyda, 2008
• Acanthobothrium psammobati Carvajal & Goldstein, 1969
• Acanthobothrium robustum Alexander, 1953
• Acanthobothroides peruensis Lopez C., 1994
• Acanthobothroides thorsoni Brooks, 1977
• Accacladocoelium alveolatum Robinson, 1934 accepted as Accacladocoelium nigroflavum (Rudolphi, 1819) Robinson, 1934
• Accacladocoelium nigroflavum (Rudolphi, 1819) Robinson, 1934
• Acleotrema alejandroi Santillan, Cruces, Mondragón-Martínez, Martínez-Rojas & Chero, 2025
• Acleotrema diplobulbus (Yamaguti, 1968) Domingues & Boeger, 2007
• Acleotrema nenue (Yamaguti, 1968) Dominques & Boeger, 2007
• Acleotrema nenuoides (Rakotofiringa, Oliver & Lambert, 1987) Domingues & Boeger, 2007 accepted as Acleotrema nenue (Yamaguti, 1968) Dominques & Boeger, 2007
• Acleotrema oliveri (León-Régagnon, Pérez-Ponce de León & Garcia Prieto, 1997) Domingues & Boeger, 2007
• Acleotrema spiculare (Yamaguti, 1968) Domingues & Boeger, 2007
• Adenocephalus pacificus Nybelin, 1931
• Allencotyla mcintoshi Price, 1962
• Alloinfundiburictus longicaecum (Manter, 1940) Wee, Cutmore, Pérez-del-Olmo & Cribb, 2020
• Allopyragraphorus caballeroi (Zerecero, 1960) Yamaguti, 1963
• Anaporrhutum albidum Brandes in Ofenheim, 1900
• Anchistrocephalus microcephalus (Rudolphi, 1819)
• Anoplocotyloides chorrillensis Luque & Iannacone, 1991
• Anoplocotyloides papillatus (Doran, 1953) Young, 1967
• Anthobothrium laciniatum Linton, 1890
• Anthocotyle americana MacCallum, 1916
• Anthocotyle merluccii Van Beneden & Hesse, 1863
• Aporocotyle wilhelmi Villalba & Fernández, 1986
• Areotestis sibi Yamaguti, 1965
• Ascocotyle longa Ransom, 1920
• Axine ibanezi Tantalean, 1975
• Bathycotyle branchialis Darr, 1902
• Bicentenariella claudiae Cruces, Chero, Sáez & Luque, 2021
• Bicentenariella peruensis (Cruces, Chero, Sáez & Luque, 2017) Cruces, Chero, Sáez & Luque, 2021
• Bicentenariella puertopizarroensis Cruces, Chero, Sáez & Luque, 2021
• Bicentenariella signiferi (Cruces, Chero, Sáez & Luque, 2017) Cruces, Chero, Sáez & Luque, 2021
• Bicentenariella sinuosa Cruces, Chero, Sáez & Luque, 2021
• Bicotylophora trachinoti (MacCallum, 1921) Price, 1936
• Brotulella laurafernandae Cruces, Chero & Luque in Cruces, Simões, Júnior, Severino, Chero & Luque, 2023
• Brotulella luisahelenae Cruces, Chero & Luque in Cruces, Simões, Júnior, Severino, Chero & Luque, 2023
• Calliobothrium verticillatum (Rudolphi, 1819)
• Callitetrarhynchus gracilis (Rudolphi, 1819) Pintner, 1931
• Callorhynchicola branchialis Brinkmann, 1952
• Callorhynchocotyle callorhynchi (Manter, 1955) Boeger, Kritsky & Pereira, 1989
• Callorhynchocotyle marplatensis Suriano & Incorvaia, 1982
• Capsala biparasitica (Goto, 1894) Price, 1938
• Capsala gregalis (Wagner & Carter, 1967) Chisholm & Whittington, 2007
• Capsala paucispinosa (Mamaev, 1968) Chisholm & Whittington, 2007
• Cathetocephalus thatcheri Dailey & Overstreet, 1973
• Chauhanea mexicana (Lamothe, 1967) Bouguerche, 2025
• Chauhanellus peruvianus Cruces, Ñacari, Luque & Chero in Cruces, Ñacari, Mondragón-Martínez, Simões, Luque & Chero, 2025
• Choricotyle anisotremi Oliva, 1987
• Choricotyle isaciencis Oliva, González, Ruz & Luque, 2009
• Choricotyle peruensis Tantalean, 1974 accepted as Hargicotyle peruensis (Tantalean, 1974) Mamaev & Aleshkina, 1984
• Choricotyle scapularis Oliva, González, Ruz & Luque, 2009
• Choricotyle sonorensis Caballero & Bravo, 1962
• Clestobothrium crassiceps (Rudolphi, 1819) Lühe, 1899
• Clistobothrium tumidum (Linton, 1922) Ruhnke, 1993
• Copiatestes filiferus (Leuckart in Sars, 1885) Gibson & Bray, 1977
• Cynoscionella sanmarci Chero, Cruces, Sáez & Luque, 2022
• Cynoscionicola americanus Tantaléan, Martínez & Escalante, 1987
• Cynoscionicola cynoscioni Tantalean, Martinez & Escalante, 1987
• Cynoscionicola intermedius Tantalean, Martinez & Escalante, 1988
• Cynoscionicola sciaenae Tantalean, 1974
• Cynoscionicola veranoi Chero, Cruces, Saez & Luque, 2017
• Dermadena pseudobalistesi Simões, Chero, Cruces, Sáez, Júnior & Luque, 2022
• Derogenes varicus (Müller, 1784) Looss, 1901
• Dinobothrium paciferum Sproston, 1948
• Dinurus longisinus Looss, 1907
• Diphterostomum brusinae (Stossich, 1888) Stossich, 1904
• Diphyllobothrium sprakeri Hernández-Orts, Kuzmina, Gomez-Puerta & Kuchta, 2021
• Disculiceps pileatus (Linton, 1890) Joyeux & Baer, 1936
• Encotyllabe antofagastensis Sepúlveda, González & Oliva, 2014
• Encotyllabe cheilodactyli Sepúlveda, González & Oliva, 2014
• Encotyllabe pagrosomi MacCallum, 1917
• Encotyllabe tantaliani Villena, Huerta, Cruces, Ñacari & Chero in Huerta et al., 2025
• Euryhaliotrema luisae Cruces, Chero & Luque, 2018
• Euryhaliotrema magnopharyngis Cruces, Chero & Luque, 2018
• Euryhaliotrema paralonchuri (Luque & Iannocone, 1989) Kritsky & Boeger, 2002
• Euryhaliotrema sagmatum Kritsky & Boeger, 2002
• Fistulicola plicatus (Rudolphi, 1819) Lühe, 1899
• Floriceps saccatus Cuvier, 1817
• Gonocercella pacifica Manter, 1940
• Grillotia (Grillotia) dollfusi Carvajal, 1971
• Gyrocotyle maxima MacDonagh, 1927
• Haliotrema diplotaenia Cruces, Chero & Luque, 2018
• Haliotrema saezae Cruces, Chero & Luque, 2018
• Haliotrema sanchezae Cruces, Chero, Sáez & Luque, 2017
• Haliotrematoides mediohamides Kritsky & Mendoza-Franco in Kritsky, Yang & Sun, 2009
• Haliotrematoides prolixohamus Kritsky & Mendoza-Franco in Kritsky, Yang & Sun, 2009
• Hargicotyle chimbotensis (Tantalean, 1974) Mamaev & Aleshkina, 1984
• Hargicotyle magna Oliva & Luque, 1989
• Hargicotyle menticirrhi Oliva & Luque, 1989
• Hargicotyle paralonchuri Oliva & Luque, 1989
• Hargicotyle peruensis (Tantalean, 1974) Mamaev & Aleshkina, 1984