Allostenopera pleurogrammi Baeva, 1968 accepted as Helicometra pleurogrammi (Baeva, 1968) Bray, 1979 (redescription)
Neophasis oculata (Levinsen, 1881) Miller, 1941 (redescription)
Neophasis symmetrorchis Machida, 1984 (original description)
Stephanostomum baccatum (Nicoll, 1907) Manter, 1934 (redescription)
Stephanostomum ganko Machida, 1984 accepted as Neophasis oculata (Levinsen, 1881) Miller, 1941 (original description)

Japanese part of the North Pacific Ocean for Allostenopera pleurogrammi Baeva, 1968 
Sea of Japan for Allostenopera pleurogrammi Baeva, 1968 
Sea of Japan for Derogenes varicus (Müller, 1784) Looss, 1901 
Sea of Japan for Fellodistomum furcigerum (Olsson, 1868) Yamaguti, 1953 
Sea of Japan for Genolinea laticauda Manter, 1925 
Sea of Japan for Gonocerca kobayashii (Layman, 1930) Manter, 1934 
Sea of Japan for Neophasis oculata (Levinsen, 1881) Miller, 1941 
Sea of Japan for Stenakron vetustum Stafford, 1904 
Sea of Japan for Stephanostomum baccatum (Nicoll, 1907) Manter, 1934 
Sea of Japan for Stephanostomum ganko Machida, 1984 
Sea of Japan for Steringotrema ovacutum (Lebour, 1908) Yamaguti, 1954 
Sea of Japan for Zoogonoides viviparus (Olsson, 1868) Odhner, 1902 
Sea of Japan/East Sea for Neophasis symmetrorchis Machida, 1984