Acanthobothrium campbelli Marques, Brooks & Monks, 1995 (additional source)
Acanthobothrium cimari Marques, Brooks & Monks, 1995 (additional source)
Acanthobothrium costarricense Marques, Brooks & Monks, 1995 (additional source)
Acanthobothrium franus Marques, Centritto & Stewart, 1997 (additional source)
Acanthobothrium inbiorium Marques, Centritto & Stewart, 1997 (additional source)
Acanthobothrium nicoyaense Brooks & McCorquodale, 1995 (additional source)
Acanthobothrium puntarenasense Marques, Brooks & Monks, 1995 (additional source)
Acanthobothrium vargasi Marques, Brooks & Monks, 1995 (additional source)
Acanthobothroides pacificus Marques, Brooks & Urefia, 1996 (additional source)
Ahpua piscicola Caballero & Bravo-Hollis, 1973 (additional source)
Alloinfundiburictus costaricae (Manter, 1940) Wee, Cutmore, Pérez-del-Olmo & Cribb, 2020 (additional source)
Amphiorchis solus (Simha & Chattopadhyaya, 1970) Platt, 2002 (additional source)
Anthobothrium laciniatum Linton, 1890 (additional source)
Anthobothrium pristis Woodland, 1934 (additional source)
Brachycladium pacificum (Dailey & Perrin, 1973) Gibson, 2005 (additional source)
Brachycladium palliatum (Looss, 1885) Looss, 1899 (additional source)
Callitetrarhynchus gracilis (Rudolphi, 1819) Pintner, 1931 (additional source)
Carettacola stunkardi (Martin & Bamberger, 1952) Dailey, Fast & Balazs, 1991 (additional source)
Cathetocephalus thatcheri Dailey & Overstreet, 1973 (additional source)
Cemocotylella elongata (Meserve, 1938) Price, 1962 (additional source)
Crassicauda anthonyi Chabaud, 1962 (additional source)
Cylindrophorus hypoprioni (Potter, 1937) (additional source)
Dasyrhynchus variouncinatus (Pintner, 1913) Pintner, 1929 (additional source)
Dermophthirius maccallumi Watson & Thorson, 1976 (additional source)
Deuterobaris intestinalis Mehrotra, 1973 (additional source)
Echinocephalus janzeni Hoberg, Brooks, Molina-Ureña & Erbe, 1998 (additional source)
Ekuarhuni papillatus Andrade-Gómez & García-Varela, 2020 (additional source)
Enodiotrema reductum Looss, 1901 (additional source)
Erpocotyle carcharhini Watson & Thorson, 1976 (additional source)
Escherbothrium molinae Berman & Brooks, 1994 (additional source)
Floridosentis pacifica Bravo-Hollis, 1969 (additional source)
Forticulcita isabelae Andrade-Gómez & García-Varela, 2020 (additional source)
Halocercus lagenorhynchi Baylis & Daubney, 1925 (additional source)
Hapalotrema postorchis Rao, 1976 (additional source)
Hargicola oligoplites (Hargis, 1957) Lebedev, 1970 (additional source)
Hargicotyle louisianensis (Hargis, 1955) Mamaev, 1972 (additional source)
Heterobothrium ecuadori Meserve, 1938 (additional source)
Heteronchocotyle leucas Hargis, 1955 (additional source)
Heteronybelinia estigmena (Dollfus, 1960) Palm, 1999 (additional source)
Homalometron lesliorum Parker, Curran, Overstreet & Tkach, 2010 (additional source)
Hypocreadium myohelicatum Bravo-Hollis & Manter, 1957 (additional source)
Jaliscia caballeroi (Bravo-Hollis, 1960) Mamaev & Egorova, 1977 (additional source)
Koronacantha pectinaria (Van Cleave, 1940) Monks & Pérez-Ponce de León, 1996 (additional source)
Learedius learedi Price, 1934 (additional source)
Mecoderus oligoplitis Manter, 1940 (additional source)
Microscaphidium warui Blair, 1986 (additional source)
Monorygma grimaldii (Moniez, 1899) Meggitt, 1924 (additional source)
Monticellius indicus Mehra, 1939 (additional source)
Nasitrema globicephalae Neiland, Rice & Holden, 1970 (additional source)
Neoechinorhynchus (Neoechinorhynchus) mamesi Pinacho-Pinacho, Pérez-Ponce de León & García-Varela, 2012 (additional source)
Neohexostoma euthynni (Meserve, 1938) Price, 1961 (additional source)
Neomicrocotyle pacifica (Meserve, 1938) Yamaguti, 1968 (additional source)
Oschmarinella albamarina (Treshchev, 1968) Gibson & Bray, 1997 (additional source)
Otobothrium penetrans Linton, 1907 (additional source)
Paraorygmatobothrium nicaraguensis (Watson & Thorson, 1976) Ruhnke, 2011 accepted as Scyphophyllidium nicaraguensis (Watson & Thorson, 1976) Caira, Jensen & Ruhnke in Caira, Jensen, Hayes & Ruhnke, 2020 accepted as Scyphophyllidium nicaraguense (Watson & Thorson, 1976) Caira, Jensen & Ruhnke in Caira, Jensen, Hayes & Ruhnke, 2020 (additional source)
Phyllobothrium delphini (Bosc, 1802) Gervais, 1885 (additional source)
Phyllobothrium pristis Watson & Thorson, 1976 (additional source)
Polymicrocotyle manteri Lamothe-Argumedo, 1967 (additional source)
Pseudomazocraes monsivaisae Caballero & Bravo Hollis, 1955 (additional source)
Pterobothrioides carvajali Campbell & Beveridge, 1997 (additional source)
Scalithrium geminum (Marques, Brooks & Ureña, 1996) Ball, Neifar & Euzet, 2003 (additional source)
Scyphophyllidium leuci (Watson & Thorson, 1976) Caira, Jensen & Ruhnke in Caira, Jensen, Hayes & Ruhnke, 2020 (additional source)
Strobilocephalus triangularis (Diesing, 1850) (additional source)
Tetrabothrius forsteri (Krefft, 1871) Fuhrmann, 1904 represented as Tetrabothrius (Tetrabothrius) forsteri (Krefft, 1871) Fuhrmann, 1904 (additional source)
Theletrum lamothei Perez-Ponce de Leon, Leon-Regagnon & Monks, 1998 (additional source)
Triloculatum triloculatum (Linton, 1901) Caira & Jensen, 2009 (additional source)

Costa Rican Exclusive Economic Zone for Brachycladium pacificum (Dailey & Perrin, 1973) Gibson, 2005 
Costa Rican Exclusive Economic Zone for Brachycladium palliatum (Looss, 1885) Looss, 1899 
Costa Rican Exclusive Economic Zone for Echinocephalus janzeni Hoberg, Brooks, Molina-Ureña & Erbe, 1998 
Costa Rican Exclusive Economic Zone for Jaliscia caballeroi (Bravo-Hollis, 1960) Mamaev & Egorova, 1977 
Costa Rican Exclusive Economic Zone for Manteria brachyderus (Manter, 1940) Caballero y C., 1950 
Costa Rican Exclusive Economic Zone for Monorygma grimaldii (Moniez, 1899) Meggitt, 1924 
Costa Rican Exclusive Economic Zone for Nasitrema globicephalae Neiland, Rice & Holden, 1970 
Costa Rican Exclusive Economic Zone for Oschmarinella albamarina (Treshchev, 1968) Gibson & Bray, 1997 
Costa Rican Exclusive Economic Zone for Phyllobothrium delphini (Bosc, 1802) Gervais, 1885 
Costa Rican Exclusive Economic Zone for Strobilocephalus triangularis (Diesing, 1850) 
Costa Rican part of the Caribbean Sea for Amphiorchis solus (Simha & Chattopadhyaya, 1970) Platt, 2002 
Costa Rican part of the Caribbean Sea for Anthobothrium laciniatum Linton, 1890 
Costa Rican part of the Caribbean Sea for Anthobothrium pristis Woodland, 1934 
Costa Rican part of the Caribbean Sea for Cathetocephalus thatcheri Dailey & Overstreet, 1973 
Costa Rican part of the Caribbean Sea for Cylindrophorus hypoprioni (Potter, 1937) 
Costa Rican part of the Caribbean Sea for Dasyrhynchus variouncinatus (Pintner, 1913) Pintner, 1929 
Costa Rican part of the Caribbean Sea for Dermophthirius maccallumi Watson & Thorson, 1976 
Costa Rican part of the Caribbean Sea for Deuterobaris intestinalis Mehrotra, 1973 
Costa Rican part of the Caribbean Sea for Erpocotyle carcharhini Watson & Thorson, 1976 
Costa Rican part of the Caribbean Sea for Hapalotrema postorchis Rao, 1976 
Costa Rican part of the Caribbean Sea for Heteronchocotyle leucas Hargis, 1955 
Costa Rican part of the Caribbean Sea for Heteronybelinia estigmena (Dollfus, 1960) Palm, 1999 
Costa Rican part of the Caribbean Sea for Learedius learedi Price, 1934 
Costa Rican part of the Caribbean Sea for Microscaphidium reticulare (Van Beneden, 1859) Looss, 1901 
Costa Rican part of the Caribbean Sea for Microscaphidium warui Blair, 1986 
Costa Rican part of the Caribbean Sea for Monticellius indicus Mehra, 1939 
Costa Rican part of the Caribbean Sea for Otobothrium penetrans Linton, 1907 
Costa Rican part of the Caribbean Sea for Paraorygmatobothrium nicaraguensis (Watson & Thorson, 1976) Ruhnke, 2011 
Costa Rican part of the Caribbean Sea for Phyllobothrium pristis Watson & Thorson, 1976 
Costa Rican part of the Caribbean Sea for Polyangium linguatula (Looss, 1899) Looss, 1902 
Costa Rican part of the Caribbean Sea for Scyphophyllidium leuci (Watson & Thorson, 1976) Caira, Jensen & Ruhnke in Caira, Jensen, Hayes & Ruhnke, 2020 
Costa Rican part of the Caribbean Sea for Triloculatum triloculatum (Linton, 1901) Caira & Jensen, 2009 
Costa Rican part of the North Pacific Ocean for Acanthobothrium campbelli Marques, Brooks & Monks, 1995 
Costa Rican part of the North Pacific Ocean for Acanthobothrium cimari Marques, Brooks & Monks, 1995 
Costa Rican part of the North Pacific Ocean for Acanthobothrium costarricense Marques, Brooks & Monks, 1995 
Costa Rican part of the North Pacific Ocean for Acanthobothrium franus Marques, Centritto & Stewart, 1997 
Costa Rican part of the North Pacific Ocean for Acanthobothrium inbiorium Marques, Centritto & Stewart, 1997 
Costa Rican part of the North Pacific Ocean for Acanthobothrium nicoyaense Brooks & McCorquodale, 1995 
Costa Rican part of the North Pacific Ocean for Acanthobothrium puntarenasense Marques, Brooks & Monks, 1995 
Costa Rican part of the North Pacific Ocean for Acanthobothrium vargasi Marques, Brooks & Monks, 1995 
Costa Rican part of the North Pacific Ocean for Acanthobothroides pacificus Marques, Brooks & Urefia, 1996 
Costa Rican part of the North Pacific Ocean for Ahpua piscicola Caballero & Bravo-Hollis, 1973 
Costa Rican part of the North Pacific Ocean for Alloinfundiburictus costaricae (Manter, 1940) Wee, Cutmore, Pérez-del-Olmo & Cribb, 2020 
Costa Rican part of the North Pacific Ocean for Bianium plicitum (Linton, 1928) Stunkard, 1931 
Costa Rican part of the North Pacific Ocean for Bucephalus gorgon (Linton, 1905) Eckmann, 1932 
Costa Rican part of the North Pacific Ocean for Carettacola stunkardi (Martin & Bamberger, 1952) Dailey, Fast & Balazs, 1991 
Costa Rican part of the North Pacific Ocean for Cemocotylella elongata (Meserve, 1938) Price, 1962 
Costa Rican part of the North Pacific Ocean for Crassicauda anthonyi Chabaud, 1962 
Costa Rican part of the North Pacific Ocean for Ectenurus virgula Linton, 1910 
Costa Rican part of the North Pacific Ocean for Ekuarhuni papillatus Andrade-Gómez & García-Varela, 2020 
Costa Rican part of the North Pacific Ocean for Enodiotrema megachondrus (Looss, 1899) Looss, 1901 
Costa Rican part of the North Pacific Ocean for Enodiotrema reductum Looss, 1901 
Costa Rican part of the North Pacific Ocean for Escherbothrium molinae Berman & Brooks, 1994 
Costa Rican part of the North Pacific Ocean for Floridosentis pacifica Bravo-Hollis, 1969 
Costa Rican part of the North Pacific Ocean for Forticulcita isabelae Andrade-Gómez & García-Varela, 2020 
Costa Rican part of the North Pacific Ocean for Halocercus lagenorhynchi Baylis & Daubney, 1925 
Costa Rican part of the North Pacific Ocean for Hargicola oligoplites (Hargis, 1957) Lebedev, 1970 
Costa Rican part of the North Pacific Ocean for Heterobothrium ecuadori Meserve, 1938 
Costa Rican part of the North Pacific Ocean for Homalometron lesliorum Parker, Curran, Overstreet & Tkach, 2010 
Costa Rican part of the North Pacific Ocean for Hypocreadium myohelicatum Bravo-Hollis & Manter, 1957 
Costa Rican part of the North Pacific Ocean for Koronacantha pectinaria (Van Cleave, 1940) Monks & Pérez-Ponce de León, 1996 
Costa Rican part of the North Pacific Ocean for Lecithochirium microstomum Chandler, 1935 
Costa Rican part of the North Pacific Ocean for Lecithochirium monticellii (Linton, 1898) Skrjabin & Guschanskaja, 1955 
Costa Rican part of the North Pacific Ocean for Mecoderus oligoplitis Manter, 1940 
Costa Rican part of the North Pacific Ocean for Neoechinorhynchus (Neoechinorhynchus) mamesi Pinacho-Pinacho, Pérez-Ponce de León & García-Varela, 2012 
Costa Rican part of the North Pacific Ocean for Neohexostoma euthynni (Meserve, 1938) Price, 1961 
Costa Rican part of the North Pacific Ocean for Neomicrocotyle pacifica (Meserve, 1938) Yamaguti, 1968 
Costa Rican part of the North Pacific Ocean for Pachypsolus irroratus (Rudolphi, 1819) Looss, 1902 
Costa Rican part of the North Pacific Ocean for Plesiochorus cymbiformis (Rudolphi, 1819) Looss, 1901 
Costa Rican part of the North Pacific Ocean for Polymicrocotyle manteri Lamothe-Argumedo, 1967 
Costa Rican part of the North Pacific Ocean for Pseudomazocraes monsivaisae Caballero & Bravo Hollis, 1955 
Costa Rican part of the North Pacific Ocean for Pterobothrioides carvajali Campbell & Beveridge, 1997 
Costa Rican part of the North Pacific Ocean for Scalithrium geminum (Marques, Brooks & Ureña, 1996) Ball, Neifar & Euzet, 2003 
Costa Rican part of the North Pacific Ocean for Stephanostomum casum (Linton, 1910) McFarlane, 1936 
Costa Rican part of the North Pacific Ocean for Tergestia laticollis (Rudolphi, 1819) Stossich, 1899 
Costa Rican part of the North Pacific Ocean for Tetrabothrius forsteri (Krefft, 1871) Fuhrmann, 1904 
Costa Rican part of the North Pacific Ocean for Theletrum lamothei Perez-Ponce de Leon, Leon-Regagnon & Monks, 1998