Alcicornis carangis MacCallum, 1917 (redescription)
Apocreadium misakiense (Shimazu, 1986) Williams & Bunkley-Williams, 1996 accepted as Cephalolepidapedon saba Yamaguti, 1970 (new combination reference)
Aponurus laguncula Looss, 1907 (additional source)
Atalostrophion sardae MacCallum, 1915 (redescription)
Bathycotyle coryphaenae Yamaguti, 1938 accepted as Bathycotyle branchialis Darr, 1902 (redescription)
Brachyphallus crenatus (Rudolphi, 1802) Odhner, 1905 (additional source)
Brachyphallus parvus (Manter, 1947) Skrjabin & Guschanskaja, 1955 (redescription)
Bucephalopsis arcuata (Linton, 1900) Eckmann, 1932 accepted as Prosorhynchoides arcuatus (Linton, 1900) Love & Moser, 1983 (redescription)
Bucephalopsis attenuata (Siddiqi & Cable, 1960) Yamaguti, 1971 accepted as Prosorhynchoides attenuatus (Siddiqi & Cable, 1960) Bray & Justine, 2011 (additional source)
Bucephalopsis gracilescens (Rudolphi, 1819) Nicoll, 1914 accepted as Prosorhynchoides gracilescens (Rudolphi, 1819) Stunkard, 1976 (additional source)
Bucephalopsis longicirrus Nagaty, 1937 accepted as Rhipidocotyle longicirrus (Nagaty, 1937) Bartoli & Bray, 2005 (redescription)
Bucephalopsis longoviferus Manter, 1940 accepted as Prosorhynchoides longoviferus (Manter, 1940) Curran & Overstreet, 2009 (redescription)
Bucephalus confusus Velasquez, 1959 (additional source)
Bucephalus gorgon (Linton, 1905) Eckmann, 1932 (redescription)
Bucephalus varicus Manter, 1940 accepted as Bucephalus margaritae Ozaki & Ishibashi, 1934 (redescription)
Cetiotrema carangis (MacCallum, 1913) Williams & Bunkley-Williams, 1996 accepted as Phyllodistomum carangis (MacCallum, 1913) Cutmore & Cribb, 2018 (redescription)
Cetiotrema carangis (MacCallum, 1913) Williams & Bunkley-Williams, 1996 accepted as Phyllodistomum carangis (MacCallum, 1913) Cutmore & Cribb, 2018 (new combination reference)
Claribulla longula Overstreet, 1969 (additional source)
Coitocaecum extremum (Travassos, Freitas & Burnheim, 1965) Yamaguti, 1971 (redescription)
Didymocystis acanthocybii Yamaguti, 1938 (redescription)
Didymocystis scomberomori (MacCallum & MacCallum, 1916) Pozdnyakov, 1990 (redescription)
Didymocystis thynni (Taschenberg, 1879) Dollfus, 1926 (redescription)
Didymocystis wedli Ariola, 1902 accepted as Didymosulcus wedli (Ariola, 1902) (redescription)
Didymozoon auxis Taschenberg, 1879 (additional source)
Didymozoon longicolle Ishii, 1935 (redescription)
Didymozoon minor Yamaguti, 1934 (additional source)
Dinurus scombri Yamaguti, 1934 (redescription)
Dinurus tornatus (Rudolphi, 1819) Looss, 1907 (redescription)
Ectenurus lepidus Looss, 1907 (redescription)
Genolopa brevicaecum (Manter, 1942) Manter & Pritchard, 1961 (additional source)
Hemiurus appendiculatus (Rudolphi, 1802) Looss, 1899 (redescription)
Hirudinella ventricosa (Pallas, 1774) Baird, 1853 (redescription)
Koellikeria (Wedlia) globosa Ishii, 1935 accepted as Wedlia globosa Ishii, 1935 (redescription)
Koellikeria bipartita (Wedl, 1855) accepted as Wedlia bipartita (Wedl, 1855) Cobbold, 1860 (redescription)
Koellikeria orientalis (Yamaguti, 1934) Ishii, 1935 accepted as Koellikerioides orientalis (Yamaguti, 1934) Pozdnyakov, 1992 (redescription)
Lasiotocus truncatus (Linton, 1910) Thomas, 1959 accepted as Infundiburictus truncatus (Linton, 1910) Wee, Cutmore, Pérez-del-Olmo & Cribb, 2020 (additional source)
Lecithaster confusus Odhner, 1905 (additional source)
Lecithochirium microstomum Chandler, 1935 (redescription)
Lecithochirium monticellii (Linton, 1898) Skrjabin & Guschanskaja, 1955 (additional source)
Lecithochirium priacanthi Yamaguti, 1953 (additional source)
Lecithochirium texanum (Chandler, 1941) Manter, 1947 (redescription)
Lecithocladium excisum (Rudolphi, 1819) Lühe, 1901 (redescription)
Mabiarama prevesiculata Teixeira de Freitas & Kohn, 1967 accepted as Sclerodistomum prevesiculatum (Teixeira de Freitas & Kohn, 1967) Kohn, Fernandes & Cohen, 2007 (redescription)
Maccallumtrema xiphiados (MacCallum & MacCallum, 1916) Yamaguti, 1970 (redescription)
Myosaccium opisthonemae (Siddiqi & Cable, 1960) Overstreet, 1969 (additional source)
Nematobothrium pelamydis (Taschenberg, 1879) Ishii, 1935 accepted as Unitubulotestis pelamydis (Taschenburg, 1879) Nikolaeva, 1980 (redescription)
Nematobothrium scombri (Taschenberg, 1879) Ishii, 1935 (redescription)
Neodidymozoon macrostoma Yamaguti, 1970 (redescription)
Neolepidapedon belizense Fischthal, 1977 accepted as Neolepidapedoides belizensis (Fischthal, 1977) Bray & Gibson, 1989 (additional source)
Neolepidapedon retrusum (Linton, 1940) Sogandares-Bernal & Hutton, 1960 accepted as Prodistomum orientale (Layman, 1930) Bray & Gibson, 1990 (redescription)
Opechona orientalis (Layman, 1930) Ward & Fillingham, 1934 accepted as Prodistomum orientale (Layman, 1930) Bray & Gibson, 1990 (additional source)
Opecoeloides brachyteleus Manter, 1947 (additional source)
Opecoeloides vitellosus (Linton, 1900) von Wicklen, 1946 (additional source)
Opisthadena dimidia Linton, 1910 (additional source)
Paradeontacylix sanguinicoloides McIntosh, 1934 (redescription)
Parahemiurus merus (Linton, 1910) Manter, 1940 (redescription)
Pinguitrema lerneri (Sogandares-Bernal, 1959) Yamaguti, 1971 accepted as Pachycreadium lerneri Sogandares-Bernal, 1959 (additional source)
Podocotyle chloroscombri (Fischthal & Thomas, 1970) Yamaguti, 1971 accepted as Pseudopecoeloides chloroscombri (Fischthal & Thomas, 1970) Bartoli, Bray & Gibson, 2003 (additional source)
Podocotyle simplex (Rudolphi, 1809) Srivastava, 1966 (additional source)
Prosorhynchus pacificus Manter, 1940 (additional source)
Pseudolepidapedon pudens (Linton, 1900) Yamaguti, 1971 (additional source)
Pseudopecoeloides carangis (Yamaguti, 1938) Yamaguti, 1940 (redescription)
Pseudopecoelus elongatus (Yamaguti, 1938) Von Wicklen, 1946 (additional source)
Rhipidocotyle baculum (Linton, 1905) Eckmann, 1932 (redescription)
Rhipidocotyle barracudae Manter, 1940 (redescription)
Rhipidocotyle capitata (Linton, 1940) Manter, 1947 (redescription)
Rhipidocotyle longleyi Manter, 1934 (additional source)
Stephanostomum aulostomi Nahhas & Cable, 1964 (additional source)
Stephanostomum coryphaenae Manter, 1947 (redescription)
Stephanostomum dentatum (Linton, 1900) Linton, 1940 (additional source)
Stephanostomum ditrematis (Yamaguti, 1939) Manter, 1947 (redescription)
Stephanostomum imparispine (Linton, 1905) Manter, 1940 (redescription)
Stephanostomum megacephalum Manter, 1940 (redescription)
Stephanostomum sentum (Linton, 1910) Manter, 1940 (redescription)
Sterrhurus musculus Looss, 1907 accepted as Lecithochirium musculus (Looss, 1907) Nasir & Diaz, 1971 (redescription)
Tergestia laticollis (Rudolphi, 1819) Stossich, 1899 (redescription)
Tetrochetus coryphaenae Yamaguti, 1934 (redescription)
Tormopsolus filiformis Sogandares-Bernal & Hutton, 1958 (redescription)
Tormopsolus orientalis Yamaguti, 1934 (redescription)

Massachusetts Continental Shelf for Nematobothrium scombri (Taschenberg, 1879) Ishii, 1935