Acleotrema diplobulbus (Yamaguti, 1968) Domingues & Boeger, 2007 (basis of record)
Acleotrema girellae Johnston & Tiegs, 1922 (additional source)
Acleotrema nenue (Yamaguti, 1968) Dominques & Boeger, 2007 (additional source)
Acleotrema oliveri (León-Régagnon, Pérez-Ponce de León & Garcia Prieto, 1997) Domingues & Boeger, 2007 (additional source)
Acolpenteron ureteroecetes Fischthal & Allison, 1940 (additional source)
Actinocleidus bursatus (Mueller, 1936) Mueller, 1937 accepted as Clavunculus bursatus (Mueller, 1936) Mizelle, Stokely, Jaskoski, Seamster & Monaco, 1956 (basis of record)
Actinocleidus fergusoni Mizelle, 1938 (basis of record)
Ahpua piscicola Caballero & Bravo-Hollis, 1973 (additional source)
Allobenedenia pseudomarginata (Bravo-Hollis, 1958) Yang, Kritsky & Sun, 2004 (additional source)
Allopseudodiclidophora opelu Yamaguti, 1965 (additional source)
Allopyragraphorus caballeroi (Zerecero, 1960) Yamaguti, 1963 (additional source)
Allopyragraphorus hippos (Hargis, 1956) Yamaguti, 1963 (additional source)
Allopyragraphorus incomparabilis (MacCallum, 1917) Yamaguti, 1963 (additional source)
Allopyragraphorus winteri (Caballero & Bravo-Hollis, 1965) Bravo-Hollis & Salgado-Maldonado, 1983 (additional source)
Ameloblastella chavarriai (Price, 1938) Kritsky, Mendoza-Franco & Scholz, 2000 (basis of record)
Amphipolycotyle chloroscombrus Hargis, 1957 (additional source)
Anchoromicrocotyle Bravo-Hollis, 1981 (additional source)
Ancyrocephalus cornutus Williams & Rogers, 1972 (basis of record)
Anoplocotyloides papillatus (Doran, 1953) Young, 1967 (additional source)
Aphanoblastella travassosi (Price, 1938) Kritsky, Mendoza-Franco & Scholz, 2000 (basis of record)
Aristocleidus hastatus Mueller, 1936 (additional source)
Aristocleidus lacantuni Mendoza-Franco, Osorio & Caspeta-Mandujano, 2015 (additional source)
Aristocleidus lamothei Kritsky & Mendoza-Franco, 2008 (additional source)
Aristocleidus mexicanus Mendoza-Franco, Osorio & Caspeta-Mandujano, 2015 (additional source)
Axine yamagutii (Meserve, 1938) Sproston, 1946 (additional source)
Axinoides gracilis (Linton, 1940) Sproston, 1946 accepted as Nudaciraxine gracilis (Linton, 1940) Price, 1962 (additional source)
Axinoides jimenezi Caballero & Bravo-Hollis, 1972 (additional source)
Axinoides raphidoma Hargis, 1956 (additional source)
Benedenia jalisciana Bravo-Hollis, 1951 (additional source)
Benedeniella posterocolpa (Hargis, 1955) Yamaguti, 1963 (additional source)
Bravocotyle sanblasensis Lamothe-Argumedo, 1967 (additional source)
Bychowskymonogenea Caballero & Bravo-Hollis, 1969 (additional source)
Bychowskymonogenea sogandaresi Caballero & Bravo-Hollis, 1969 (additional source)
Cacatuocotyle chajuli Mendoza-Franco, Caspeta-Mandujano & Salgado-Maldonado, 2013 (basis of record)
Cacatuocotyle exiguum Mendoza-Franco, Caspeta-Mandujano & Salgado- Maldonado, 2013 (basis of record)
Calicotyle californiensis Bullard & Overstreet, 2000 (additional source)
Calicotyle kroyeri Diesing, 1850 (additional source)
Calicotyle urobati Bullard & Overstreet, 2000 (additional source)
Campechia synodi Zhukov & Mamaev, 1985 (additional source)
Capsala albsmithi (Dolfus, 1962) Chisholm & Whittington, 2007 (additional source)
Capsala gregalis (Wagner & Carter, 1967) Chisholm & Whittington, 2007 (additional source)
Capsala laevis (Verrill, 1875) Johnston, 1929 (additional source)
Capsala pricei Hidalgo-Escalente, 1958 (additional source)
Capsaloides hoffmannae Lamothe-Argumedo, 1996 (additional source)
Capsaloides marielenae (Lamothe-Argumedo, 1968) Lamothe-Argumedo, 1996 accepted as Capsaloides perugiai (Setti, 1898) Price, 1938 (source of synonymy)
Capsaloides perugiai (Setti, 1898) Price, 1938 (additional source)
Cemocotyle borinquensis Price, 1962 (additional source)
Cemocotyle carangis (MacCallum, 1913) Sproston, 1946 (additional source)
Cemocotyle noveboracensis Price, 1962 (additional source)
Cemocotylella elongata (Meserve, 1938) Price, 1962 (additional source)
Characithecium costaricensis (Price & Bussing, 1967) Mendoza-Franco, Reina & Torchin, 2009 accepted as Characithecium costaricense (Price & Bussing, 1967) Mendoza-Franco, Reina & Torchin, 2009 (basis of record)
Chlamydaxine resplendens (Caballero, Bravo-Hollis & Grocott, 1953) Price, 1962 (additional source)
Choricotyle caulolatili (Meserve, 1938) Sproston, 1946 (additional source)
Choricotyle leonilavazquezae Lamothe-Argumedo, Aranda-Cruz & Pérez-Ponce de Leon, 1998 (additional source)
Choricotyle oregonensis McCauley & Smoker, 1969 (additional source)
Choricotyle sonorensis Caballero & Bravo, 1962 (additional source)
Cichlidogyrus dossoui Douëllou, 1993 (additional source)
Cichlidogyrus halli (Price & Kirk, 1967) Paperna, 1979 (additional source)
Cichlidogyrus haplochromii Paperna & Thurston, 1969 (additional source)
Cichlidogyrus quaestio Douëllou, 1993 (additional source)
Cichlidogyrus sclerosus Paperna & Thurston, 1969 (additional source)
Cichlidogyrus tilapiae Paperna, 1960 (additional source)
Clavunculus bifurcatus (Mizelle, 1941) Mizelle, Stokely, Jaskoski, Seamster & Monaco, 1956 (additional source)
Clavunculus bursatus (Mueller, 1936) Mizelle, Stokely, Jaskoski, Seamster & Monaco, 1956 (additional source)
Cleidodiscus bedardi Mizelle, 1936 (basis of record)
Cleidodiscus chavarriai Price, 1938 accepted as Urocleidoides chavarriai (Price, 1938) Molnar, Hanek & Fernando, 1974 accepted as Ameloblastella chavarriai (Price, 1938) Kritsky, Mendoza-Franco & Scholz, 2000 (basis of record)
Cleidodiscus pricei Mueller, 1936 accepted as Ligictaluridus pricei (Mueller, 1936) Beverley-Burton, 1984 (basis of record)
Cleidodiscus travassosi Price, 1938 accepted as Urocleidoides travassosi (Price, 1938) Molnar, Hanek & Fernanado, 1974 accepted as Aphanoblastella travassosi (Price, 1938) Kritsky, Mendoza-Franco & Scholz, 2000 (basis of record)
Cleidodiscus vancleavei Mizelle, 1936 (basis of record)
Cotyloatlantica pretiosa Bravo-Hollis, 1984 (additional source)
Cyclocotyloides pinguis (Linton, 1940) Price, 1943 (additional source)
Cynoscionicola heteracantha (Manter, 1938) Price, 1962 (additional source)
Cynoscionicola pseudoheteracantha (Hargis, 1956) Price, 1962 (additional source)
Cynoscionicola sciaenae Tantalean, 1974 (additional source)
Cynoscionicola srivastavai Bravo-Hollis & Caballero-Rodríguez, 1970 (additional source)
Dactylogyrus anchoratus (Dujardin, 1845) Wagener, 1857 (additional source)
Dactylogyrus dulkeiti Bychowsky, 1936 (additional source)
Dactylogyrus extensus Mueller & Van Cleave, 1932 (additional source)
Dactylogyrus intermedius Wegener, 1910 (additional source)
Dactylogyrus minutus Kulwiec, 1927 (additional source)
Dactylogyrus vastator Nybelin, 1924 (additional source)
Dasyonchocotyle dasyatis (Yamaguti, 1968) Boeger & Kritsky, 1989 (additional source)
Decacotyle floridana (Pratt, 1910) Chisholm & Whittington, 1998 (additional source)
Denarycotyle gardneri Pulido-Flores, Monks & Violante-González, 2015 (additional source)
Dendromonocotyle cortesi Bravo-Hollis, 1969 (additional source)
Dendromonocotyle octodiscus Hargis, 1955 (additional source)
Diaphorocleidus kabatai (Molnar, Hanek & Fernando, 1974) Jogunoori, Kritsky & Venkatanarasaiah, 2004 (additional source)
Diplectanocotyla megalopis Rakotofiringa & Oliver, 1987 (additional source)
Diplectanum [sensu lato] bilobatum Hargis, 1955 accepted as Cynoscionella bilobatum (Hargis, 1955) Chero, Cruces, Sáez & Luque, 2022 accepted as Cynoscionella bilobata (Hargis, 1955) Chero, Cruces, Sáez & Luque, 2022 (additional source)
Diplostamenides spinicirrus (MacCallum, 1918) Unnithan, 1971 (basis of record)
Encotyllabe pagrosomi MacCallum, 1917 (additional source)
Engraulicola thrissocles (Tripathi, 1959) Lebedev, 1971 (additional source)
Enterogyrus cichlidarum Paperna, 1963 (additional source)
Enterogyrus malmbergi Bilong Bilong, 1988 (additional source)
Entobdella hippoglossi (Müller, 1776) Blainville, 1818 (additional source)
Euryhaliotrema amydrum Kritsky & Bakenhaster, 2011 (additional source)
Euryhaliotrema longibaculum (Zhukov, 1976) Kritsky & Boeger, 2002 (additional source)
Euryhaliotrema mehen (Solar-Jiménez, Garcia-Gasca & Fajer-Ávila, 2012) Kritsky, 2012 (additional source)
Euryhaliotrema perezponcei Garcia-Vargas, Fajer-Ávila & Lamothe-Argumedo, 2008 (additional source)
Euryhaliotrema sagmatum Kritsky & Boeger, 2002 (additional source)