Acanthocephalus opsariichthydis Yamaguti, 1935 (additional source)
Archigetes sieboldi Leuckart, 1878 (additional source)
Bivaginogyrus Gusev & Gerasev, 1986 (redescription)
Bivaginogyrus cingulatus Nitta & Nagasawa, 2023 (original description)
Bivaginogyrus exiguus Nitta & Nagasawa, 2023 (original description)
Bivaginogyrus japonicus Nitta & Nagasawa, 2023 (original description)
Centrocestus armatus (Tanabe, 1922) Price, 1932 (additional source)
Centrocestus nycticoracis (Izumi, 1935) Kobayashi, 1942 accepted as Centrocestus armatus (Tanabe, 1922) Price, 1932 (additional source)
Dactylogyrus Diesing, 1850 (additional source)
Dactylogyrus tamoroko Nitta & Nagasawa, 2023 (original description)
Echinorhynchus cotti Yamaguti, 1935 (additional source)
Holostephanus metorchis Yamaguti, 1939 (basis of record)
Holostephanus nipponicus Yamaguti, 1939 (basis of record)
Isoparorchis eurytremum (Kobayashi, 1915) Travassos, 1922 accepted as Isoparorchis eurytremus (Kobayashi, 1915) Travassos, 1922 (additional source)
Metacercaria hasegawai Komiya & Tajima, 1941 (basis of record)
Metagonimus katsuradai Izumi, 1935 (additional source)
Metagonimus miyatai Saito, Chai, Kim, Lee & Rim, 1997 (additional source)
Metagonimus takahashii Suzuki in Takahashi, 1929 (basis of record)
Neogryporhynchus cheilancristrotus (Wedl, 1855) Baer & Bona, 1960 (basis of record)
Paradilepis scolecina (Rudolphi, 1819) (additional source)
Paradiplozoon skrjabini Akhmerov, 1974 (additional source)
Parvitaenia nycticoracis (Yamaguti, 1935) (basis of record)
Proteocephalus parasiluri Yamaguti, 1934 (additional source)
Raphidascaris gigi Fujita, 1928 accepted as Raphidascaris (Ichthyascaris) biwakoensis Fujita, 1928 accepted as Ichthyascaris biwakoensis (Fujita, 1928) Bruce, 1990 (additional source)
Schyzocotyle acheilognathi (Yamaguti, 1934) Brabec, Waeschenbach, Scholz, Littlewood & Kuchta, 2015 (additional source)

Fukui Prefecture for Bivaginogyrus exiguus Nitta & Nagasawa, 2023 
Gifu Prefecture for Archigetes sieboldi Leuckart, 1878 
Gifu Prefecture for Bivaginogyrus cingulatus Nitta & Nagasawa, 2023 
Gifu Prefecture for Bivaginogyrus japonicus Nitta & Nagasawa, 2023 
Gifu Prefecture for Dactylogyrus tamoroko Nitta & Nagasawa, 2023 
Gifu Prefecture for Echinochasmus milvi Yamaguti, 1939 
Gifu Prefecture for Metagonimus miyatai Saito, Chai, Kim, Lee & Rim, 1997 
Gifu Prefecture for Neogryporhynchus cheilancristrotus (Wedl, 1855) Baer & Bona, 1960 
Gifu Prefecture for Parvitaenia nycticoracis (Yamaguti, 1935) 
Gifu Prefecture for Pseudocapillaria (Pseudocapillaria) tomentosa (Dujardin, 1843) Lomakin & Trofimenko, 1982 
Gifu Prefecture for Schyzocotyle acheilognathi (Yamaguti, 1934) Brabec, Waeschenbach, Scholz, Littlewood & Kuchta, 2015 
Honshu for Bivaginogyrus cingulatus Nitta & Nagasawa, 2023 
Honshu for Bivaginogyrus exiguus Nitta & Nagasawa, 2023 
Honshu for Bivaginogyrus japonicus Nitta & Nagasawa, 2023 
Honshu for Dactylogyrus tamoroko Nitta & Nagasawa, 2023 
Honshu for Metagonimus katsuradai Izumi, 1935 
Honshu for Metagonimus yokogawai (Katsurada, 1912) Katsurada, 1912 
Honshu for Metorchis orientalis Tanabe, 1920 
Honshu for Parabucephalopsis parasiluri Wang, 1985 
Honshu for Pseudexorchis major (Hasegawa, 1935) Yamaguti, 1938 
Ishikawa for Metagonimus takahashii Suzuki in Takahashi, 1929 
Japan for Centrocestus formosanus (Nishigori, 1924) Price, 1932 
Japan for Clonorchis sinensis (Cobbold, 1875) Looss, 1907 
Japan for Echinochasmus japonicus Tanabe, 1926 
Japan for Echinochasmus japonicus Tanabe, 1926 
Japan for Holostephanus nipponicus Yamaguti, 1939 
Japan for Parabucephalopsis parasiluri Wang, 1985 
Japan for Raphidascaris gigi Fujita, 1928 
Kansai for Centrocestus nycticoracis (Izumi, 1935) Kobayashi, 1942 
Nagano Prefecture for Archigetes sieboldi Leuckart, 1878 
Nagano Prefecture for Isoparorchis eurytremum (Kobayashi, 1915) Travassos, 1922 
Nagano Prefecture for Proteocephalus parasiluri Yamaguti, 1934 
Shiga Prefecture for Acanthocephalus opsariichthydis Yamaguti, 1935 
Shiga Prefecture for Allocreadium tamoroko Shimazu & Urabe, 2013 
Shiga Prefecture for Asymphylodora macrostoma Ozaki, 1925 
Shiga Prefecture for Bivaginogyrus exiguus Nitta & Nagasawa, 2023 
Shiga Prefecture for Cyathocotyle orientalis Faust, 1922 
Shiga Prefecture for Cyathocotyle orientalis Faust, 1922 
Shiga Prefecture for Echinorhynchus cotti Yamaguti, 1935 
Shiga Prefecture for Isoparorchis eurytremum (Kobayashi, 1915) Travassos, 1922 
Shiga Prefecture for Metacercaria hasegawai Komiya & Tajima, 1941 
Shiga Prefecture for Metagonimus yokogawai (Katsurada, 1912) Katsurada, 1912 
Shiga Prefecture for Neoplagioporus elongatus (Goto & Ozaki, 1930) Shimazu, 1990 
Shiga Prefecture for Urorchis acheilognathi Yamaguti, 1934 
Shikoku for Dactylogyrus tamoroko Nitta & Nagasawa, 2023 
Shizuoka for Holostephanus metorchis Yamaguti, 1939 
Tochigi Prefecture for Bivaginogyrus cingulatus Nitta & Nagasawa, 2023 
Tochigi Prefecture for Bivaginogyrus exiguus Nitta & Nagasawa, 2023 
Tochigi Prefecture for Bivaginogyrus japonicus Nitta & Nagasawa, 2023 

Japanese Hime-futa-ana-mushi for Bivaginogyrus exiguus Nitta & Nagasawa, 2023
Japanese Tamoroko-futa-ana-mushi for Bivaginogyrus cingulatus Nitta & Nagasawa, 2023
Japanese Tamoroko-yubigata-mushi for Dactylogyrus tamoroko Nitta & Nagasawa, 2023
Japanese Yamato-futa-ana-mushi for Bivaginogyrus japonicus Nitta & Nagasawa, 2023

 Ecology

 for Bivaginogyrus Gusev & Gerasev, 1986

The three new species of Bivaginogyrus are assumed to have been co-introduced along with Gnathopogon elongatus ... [details]