Albulatrema ovale Yamaguti, 1965 (redescription)
Allodidymocodium Yamaguti, 1970 (original description)
Allodidymocodium unitubulare Yamaguti, 1970 (original description)
Allonematobothrium epinepheli Yamaguti, 1965 (redescription)
Bucephalopsis arcuata (Linton, 1900) Eckmann, 1932 accepted as Prosorhynchoides arcuatus (Linton, 1900) Love & Moser, 1983 (redescription)
Cephalolepidapedon Yamaguti, 1970 (original description)
Cephalolepidapedon saba Yamaguti, 1970 (original description)
Colocyntotrema auxis Yamaguti, 1951 (redescription)
Cypseluritrema Yamaguti, 1970 accepted as Lecithostaphylus Odhner, 1911 (original description)
Cypseluritrematoides Yamaguti, 1970 accepted as Brachyenteron Manter, 1934 (original description)
Cypseluritrematoides triangularis Yamaguti, 1970 accepted as Brachyenteron parexocoeti Manter, 1947 (original description)
Didymocystis philobranchia Yamaguti, 1970 accepted as Didymosulcus philobranchia (Yamaguti, 1970) Pozdnyakov, 1990 (original description)
Didymocystoides Yamaguti, 1970 accepted as Didymocystis Ariola, 1902 (original description)
Didymocystoides buccalis Yamaguti, 1970 accepted as Didymocystis buccalis (Yamaguti, 1970) Pozdnyakov, 1990 (original description)
Dinurus longisinus Looss, 1907 (redescription)
Duosphincter zancli Manter & Pritchard, 1960 (redescription)
Ectenurus lepidus Looss, 1907 (redescription)
Ectenurus trachuri (Yamaguti, 1934) Yamaguti, 1970 (new combination reference)
Enenterum elongatum Yamaguti, 1970 (original description)
Gonapodasmius branchialis Yamaguti, 1970 accepted as Didymodiclinus branchialis (Yamaguti, 1970) Pozdnyakov, 1994 (original description)
Hirudinella beebei Chandler, 1937 accepted as Hirudinella ventricosa (Pallas, 1774) Baird, 1853 (redescription)
Hirudinella marina Garcin, 1730 accepted as Hirudinella ventricosa (Pallas, 1774) Baird, 1853 (redescription)
Koellikerioides Yamaguti, 1970 (original description)
Lecithochirium albulae Yamaguti, 1970 (original description)
Lecithochirium apharei Yamaguti, 1970 accepted as Synaptobothrium apharei (Yamaguti, 1970) Leon-Regagnon, Perez-Ponce de Leon & Lamothe-Argumedo, 1997 (original description)
Lecithochirium bothi Yamaguti, 1970 (original description)
Lecithochirium chaetodontis Yamaguti, 1970 (original description)
Lecithochirium fistulariae Yamaguti, 1970 (original description)
Lecithochirium kawakawa Yamaguti, 1970 (original description)
Lecithochirium keokeo Yamaguti, 1970 (original description)
Lecithochirium microstomum Chandler, 1935 (taxonomy source)
Lecithochirium priacanthi Yamaguti, 1953 (redescription)
Lecithostaphylus ahaaha Yamaguti, 1970 accepted as Lecithostaphylus nitens (Linton, 1898) Linton, 1940 (original description)
Lepidapedoides Yamaguti, 1970 (original description)
Lepidapedoides ostichthydis Yamaguti, 1970 (original description)
Lepidapedon (Lepidapedoides) ostichthydis Yamaguti, 1970 accepted as Lepidapedoides ostichthydis Yamaguti, 1970 (original description)
Lobatovitelliovarium fusiforme Yamaguti, 1965 accepted as Prolecitha obesa Manter, 1961 (redescription)
Monolecithotrema Yamaguti, 1970 (original description)
Nematobothrium filiforme Yamaguti, 1934 (redescription)
Neoallolepidapedon hawaiiense Yamaguti, 1965 (redescription)
Oesophagocystis Yamaguti, 1970 (original description)
Oesophagocystis dissimilis (Yamaguti, 1938) Yamaguti, 1970 (redescription)
Oesophagocystis dissimilis (Yamaguti, 1938) Yamaguti, 1970 (new combination reference)
Opisthadeninae Yamaguti, 1970 (original description)
Osteodidymocodium Yamaguti, 1970 accepted as Allodidymocodium Yamaguti, 1970 (original description)
Osteodidymocodium kawakawa Yamaguti, 1970 accepted as Allodidymocodium euthynni Pozdnyakov, 1996 (original description)
Plagioporus rooseveltiae Yamaguti, 1970 accepted as Neolebouria rooseveltiae (Yamaguti, 1970) Bray & Justine, 2009 accepted as Bentholebouria rooseveltiae (Yamaguti, 1970) Andres, Pulis & Overstreet, 2014 (original description)
Pleorchis uku Yamaguti, 1970 (original description)
Prosogonotrema symmetricum Oshmarin, 1965 (redescription)
Prosorhynchus epinepheli Yamaguti, 1939 (redescription)
Pseudosiphoderoides opakapaka Yamaguti, 1970 accepted as Metadena opakapaka (Yamaguti, 1970) Miller & Cribb, 2008 (original description)
Stenakridae Yamaguti, 1970 (original description)
Stephanostomum seriolae Yamaguti, 1970 accepted as Stephanostomum ditrematis (Yamaguti, 1939) Manter, 1947 (original description)
Tergestia laticollis (Rudolphi, 1819) Stossich, 1899 (redescription)
Tetrochetus coryphaenae Yamaguti, 1934 (redescription)
Univitellodidymocystis Yamaguti, 1970 accepted as Didymocystis Ariola, 1902 (original description)