Accacladocoelium alveolatum Robinson, 1934 (additional source)
Anaporrhutum albidum Brandes in Ofenheim, 1900 (additional source)
Aporocotyle wilhelmi Villalba & Fernández, 1986 (additional source)
Bathycotyle Darr, 1902 (additional source)
Copiatestes filiferus (Leuckart in Sars, 1885) Gibson & Bray, 1977 (additional source)
Derogenes varicus (Müller, 1784) Looss, 1901 (additional source)
Dinurus longisinus Looss, 1907 (additional source)
Diphterostomum brusinae (Stossich, 1888) Stossich, 1904 (additional source)
Gonocercella pacifica Manter, 1940 (additional source)
Helicometra fasciata (Rudolphi, 1819) Odhner, 1902 (additional source)
Helicometrina nimia Linton, 1910 (additional source)
Hymenocotta manteri Overstreet, 1969 (additional source)
Lasiotocus glebulentus Overstreet, 1971 accepted as Sinistroporomonorchis glebulentus (Overstreet, 1971) Wee, Cutmore, Pérez-del-Olmo & Cribb, 2020 (additional source)
Lasiotocus longicaecum (Manter, 1940) Yamaguti, 1954 accepted as Alloinfundiburictus longicaecum (Manter, 1940) Wee, Cutmore, Pérez-del-Olmo & Cribb, 2020 (additional source)
Lecithochirium genypteri Manter, 1954 (additional source)
Lecithochirium muraenae Manter, 1940 (additional source)
Lecithocladium cristatum (Rudolphi, 1819) Looss, 1907 (additional source)
Lobatostoma anisotremum Oliva & Carvajal, 1984 (additional source)
Lobatostoma kemostoma (MacCallum & MacCallum, 1913) Eckmann, 1932 (additional source)
Lobatostoma pacificum Manter, 1940 (additional source)
Lobatostoma veranoi Oliva & Luque, 1989 (additional source)
Monorchis latus Manter, 1942 (additional source)
Nematobothrium scombri (Taschenberg, 1879) Ishii, 1935 (additional source)
Opechona bacillaris (Molin, 1859) Dollfus, 1927 (additional source)
Opechona pharyngodactyla Manter, 1940 (additional source)
Otodistomum veliporum (Creplin, 1837) Stafford, 1904 (additional source)
Proctoeces lintoni Siddiqi & Cable, 1960 (additional source)
Prodistomum orientalis (Layman, 1930) Bray & Gibson, 1990 accepted as Prodistomum orientale (Layman, 1930) Bray & Gibson, 1990 (additional source)
Prosorhynchoides rioplatensis (Szidat, 1970) Lunaschi, 2003 (additional source)
Rhipidocotyle adbaculum Manter, 1940 (additional source)
Villarrealina Bolaños & Salas, 1982 (additional source)
Villarrealina peruana Bolaños & Salas, 1982 (additional source)
Zoogonus pagrosomi Yamaguti, 1939 (additional source)
Zoogonus rubellus (Olsson, 1868) Odhner, 1902 (additional source)

Argentinean part of the South Atlantic Ocean for Derogenes varicus (Müller, 1784) Looss, 1901 
Argentinean part of the South Atlantic Ocean for Lecithochirium genypteri Manter, 1954 
Brazilian Exclusive Economic Zone for Copiatestes filiferus (Leuckart in Sars, 1885) Gibson & Bray, 1977 
Brazilian Exclusive Economic Zone for Diphterostomum brusinae (Stossich, 1888) Stossich, 1904 
Brazilian Exclusive Economic Zone for Helicometrina nimia Linton, 1910 
Brazilian Exclusive Economic Zone for Hymenocotta manteri Overstreet, 1969 
Brazilian Exclusive Economic Zone for Nematobothrium scombri (Taschenberg, 1879) Ishii, 1935 
Brazilian Exclusive Economic Zone for Opechona bacillaris (Molin, 1859) Dollfus, 1927 
Brazilian Exclusive Economic Zone for Otodistomum veliporum (Creplin, 1837) Stafford, 1904 
Brazilian Exclusive Economic Zone for Prodistomum orientalis (Layman, 1930) Bray & Gibson, 1990 
Chilean part of the South Pacific Ocean for Aporocotyle wilhelmi Villalba & Fernández, 1986 
Chilean part of the South Pacific Ocean for Copiatestes filiferus (Leuckart in Sars, 1885) Gibson & Bray, 1977 
Chilean part of the South Pacific Ocean for Derogenes varicus (Müller, 1784) Looss, 1901 
Chilean part of the South Pacific Ocean for Dinurus longisinus Looss, 1907 
Chilean part of the South Pacific Ocean for Gonocercella pacifica Manter, 1940 
Chilean part of the South Pacific Ocean for Helicometra fasciata (Rudolphi, 1819) Odhner, 1902 
Chilean part of the South Pacific Ocean for Hymenocotta manteri Overstreet, 1969 
Chilean part of the South Pacific Ocean for Lasiotocus longicaecum (Manter, 1940) Yamaguti, 1954 
Chilean part of the South Pacific Ocean for Lecithochirium genypteri Manter, 1954 
Chilean part of the South Pacific Ocean for Lecithocladium cristatum (Rudolphi, 1819) Looss, 1907 
Chilean part of the South Pacific Ocean for Monorchis latus Manter, 1942 
Chilean part of the South Pacific Ocean for Proctoeces lintoni Siddiqi & Cable, 1960 
Colombian part of the North Pacific Ocean for Gonocercella pacifica Manter, 1940 
Falkland Islands part of the South Atlantic Ocean for Derogenes varicus (Müller, 1784) Looss, 1901 
Falkland Islands part of the South Atlantic Ocean for Lecithochirium genypteri Manter, 1954 
Falkland Islands part of the South Atlantic Ocean for Lecithocladium cristatum (Rudolphi, 1819) Looss, 1907 
Galapagos for Derogenes varicus (Müller, 1784) Looss, 1901 
Galapagos for Lobatostoma pacificum Manter, 1940 
Galapagos Exclusive Economic Zone for Prodistomum orientalis (Layman, 1930) Bray & Gibson, 1990 
Peruvian part of the South Pacific Ocean for Accacladocoelium alveolatum Robinson, 1934 
Peruvian part of the South Pacific Ocean for Anaporrhutum albidum Brandes in Ofenheim, 1900 
Peruvian part of the South Pacific Ocean for Bathycotyle Darr, 1902 
Peruvian part of the South Pacific Ocean for Copiatestes filiferus (Leuckart in Sars, 1885) Gibson & Bray, 1977 
Peruvian part of the South Pacific Ocean for Dinurus longisinus Looss, 1907 
Peruvian part of the South Pacific Ocean for Diphterostomum brusinae (Stossich, 1888) Stossich, 1904 
Peruvian part of the South Pacific Ocean for Gonocercella pacifica Manter, 1940 
Peruvian part of the South Pacific Ocean for Helicometra fasciata (Rudolphi, 1819) Odhner, 1902 
Peruvian part of the South Pacific Ocean for Hymenocotta manteri Overstreet, 1969 
Peruvian part of the South Pacific Ocean for Lasiotocus glebulentus Overstreet, 1971 
Peruvian part of the South Pacific Ocean for Lasiotocus longicaecum (Manter, 1940) Yamaguti, 1954 
Peruvian part of the South Pacific Ocean for Lecithochirium muraenae Manter, 1940 
Peruvian part of the South Pacific Ocean for Lecithocladium cristatum (Rudolphi, 1819) Looss, 1907 
Peruvian part of the South Pacific Ocean for Monorchis latus Manter, 1942 
Peruvian part of the South Pacific Ocean for Nematobothrium scombri (Taschenberg, 1879) Ishii, 1935 
Peruvian part of the South Pacific Ocean for Otodistomum veliporum (Creplin, 1837) Stafford, 1904 
Peruvian part of the South Pacific Ocean for Proctoeces lintoni Siddiqi & Cable, 1960 
Peruvian part of the South Pacific Ocean for Prosorhynchoides rioplatensis (Szidat, 1970) Lunaschi, 2003 
Peruvian part of the South Pacific Ocean for Rhipidocotyle adbaculum Manter, 1940 
Peruvian part of the South Pacific Ocean for Zoogonus pagrosomi Yamaguti, 1939 
Peruvian part of the South Pacific Ocean for Zoogonus rubellus (Olsson, 1868) Odhner, 1902 
Uruguayan part of the South Atlantic Ocean for Derogenes varicus (Müller, 1784) Looss, 1901 
Venezuelan part of the Caribbean Sea for Lasiotocus glebulentus Overstreet, 1971 

 Authority

 for Genarchella porzanae (Nasir & Velasquez, 1977) Kohn, Fernandes & Cohen, 2007

Kohn et al (2007) attribute the combination to Gibson (2002). Although Gibson synonymised the genus, he did not ... [details]

 Authority

 for Prosorhynchus australis Szidat, 1961

Wrongly listed as Prosorhynchus australis (Szidat, 1961) Etchegoin, Timi, Cremonte & Lanfranchi, 2005 by Kohn et ... [details]

 Authority

 for Saccocoelioides quintus Thatcher, 1978

Sometimes referred to as S. quintus (Szidat, 1954) Thatcher, 1978, but Thatcher named the species for ... [details]

 Spelling

 for Carassotrema mugilicolum Shireman, 1965

The suffix -cola (inhabitor) is masculine and forms masculine nouns, e.g. agricola (farmer - inhabitor of ... [details]

 Status

 for Caballerotrema arapaimense Thatcher, 1980

Considered a species inquirenda by Kostadinova & Gibson (2001) [details]

 Synonymy

 for Lepocreadium trullaforme Linton, 1940

Considered a synonym of Lepidapedon garrardi (Leiper & Atkinson, 1914) by Zdzitowiecki (1900). [details]

 Synonymy

 for Tergestia pectinata (Linton, 1905) Manter, 1940

Has been considered a synonym of T. pauca by Nahhas et al. (1998). [details]

 Synonymy

 for Tergestia selenei Amato, 1983

Considered a synonym of T. pauca by Wallet & Kohn (1987). [details]

 Taxonomic remark

 for Polylekithum percai Ostrowski de Núñez, Brugni & Viozzi, 2000

Considered a synonym of Allocreadium patagonicum by Flores et al. (2004). [details]

 Taxonomic remark

 for Saccocoelioides magniovatus Szidat, 1954

Considered a synonym of S. nanii by Lunaschi (1995). [details]

 Taxonomic remark

 for Saccocoelioides quintus Thatcher, 1978

Named by Thatcher (1978) for Saccocoelioides no. 5 of Szidat (1954). [details]

 Taxonomy

 for Dadaytrema elongata Vaz, 1932

Considered a synonym of D. oxycephala by Vicente et al. (1978). [details]

 Taxonomy

 for Homalometron annahoineffae (Corrêa Gomes & de Fabio, 1970)

Probably a species of Neoapocreadium according to Cribb (2005), but the combination has not been made. [details]

 Taxonomy

 for Peracreadium annahoineffae Corrêa Gomes & de Fabio, 1970

Probably a species of Neoapocreadium according to Cribb (2005), but the combination has not been made. [details]

 Taxonomy

 for Saccocoelioides elongatus Szidat, 1954

Considered a synonym of S. nanii by Lunaschi (1996). [details]