Bianium cryptostoma (Ozaki, 1928) Manter, 1947 accepted as Diploproctodaeum cryptostoma (Ozaki, 1928) Sogandares-Bernal & Hutton, 1958 (additional source)
Bianium hemistoma (Ozaki, 1928) Yamaguti, 1934 (redescription)
Discogastroides minor (Yamaguti, 1934) Skrjabin & Koval, 1957 accepted as Paradiscogaster ostracii (Yamaguti, 1934) Cribb, Anderson & Bray, 1999 (redescription)
Hypohepaticola callionymi Yamaguti, 1934 (redescription)
Lepidophyllum canthigastris Yamaguti, 1959 accepted as Lepidophyllum pyriforme (Yamaguti, 1934) Arai, 1969 (additional source)
Plagioporus apogonichthydis Yamaguti, 1938 (additional source)
Plagioporus japonicus Yamaguti, 1938 accepted as Macvicaria japonica (Yamaguti, 1938) Bray & Cribb, 1989 (additional source)
Plagioporus kyusen Yamaguti, 1959 (additional source)
Sterrhurus gymnothoracis Yamaguti, 1940 accepted as Lecithochirium gymnothoracis (Yamaguti, 1940) Skrjabin & Guschanskaja, 1955 (redescription)
Trigonocryptus conus Martin, 1958 (additional source)

Japanese part of the North Pacific Ocean for Bianium cryptostoma (Ozaki, 1928) Manter, 1947 
Japanese part of the North Pacific Ocean for Bianium hemistoma (Ozaki, 1928) Yamaguti, 1934 
Japanese part of the North Pacific Ocean for Decemtestis ditrematis Yamaguti, 1934 
Japanese part of the North Pacific Ocean for Decemtestis takanoha Yamaguti, 1951 
Japanese part of the North Pacific Ocean for Discogastroides minor (Yamaguti, 1934) Skrjabin & Koval, 1957 
Japanese part of the North Pacific Ocean for Helicometra fasciata (Rudolphi, 1819) Odhner, 1902 
Japanese part of the North Pacific Ocean for Hypohepaticola callionymi Yamaguti, 1934 
Japanese part of the North Pacific Ocean for Lecithaster stellatus Looss, 1907 
Japanese part of the North Pacific Ocean for Lepidophyllum canthigastris Yamaguti, 1959 
Japanese part of the North Pacific Ocean for Lepocreadium kamegaii Shimazu & Nagasawa, 1985 
Japanese part of the North Pacific Ocean for Opechona sebastodis (Yamaguti, 1934) Yamaguti, 1954 
Japanese part of the North Pacific Ocean for Opecoelus sebastodis Yamaguti, 1934 
Japanese part of the North Pacific Ocean for Opegaster brevifistula Ozaki, 1928 
Japanese part of the North Pacific Ocean for Opegaster ovata Ozaki, 1928 
Japanese part of the North Pacific Ocean for Opegaster plotosi Yamaguti, 1940 
Japanese part of the North Pacific Ocean for Plagioporus apogonichthydis Yamaguti, 1938 
Japanese part of the North Pacific Ocean for Plagioporus japonicus Yamaguti, 1938 
Japanese part of the North Pacific Ocean for Plagioporus kyusen Yamaguti, 1959 
Japanese part of the North Pacific Ocean for Proctoeces maculatus (Looss, 1901) Odhner, 1911 
Japanese part of the North Pacific Ocean for Stephanostomum pagrosomi (Yamaguti, 1939) Manter, 1947 
Japanese part of the North Pacific Ocean for Steringotrema nakazawai Kobayashi, 1921 
Japanese part of the North Pacific Ocean for Sterrhurus gymnothoracis Yamaguti, 1940 
Japanese part of the North Pacific Ocean for Trigonocryptus conus Martin, 1958