Axine chinensis Yamaguti, 1937 accepted as Heteraxine chinensis (Yamaguti, 1937) Sproston, 1946 accepted as Heteraxinoides chinensis (Yamaguti, 1937) Yamaguti, 1963 accepted as Neoheteraxinoides chinensis (Yamaguti, 1937) Kritsky, 2022 (original description)
Benedenia convoluta Yamaguti, 1937 accepted as Allobenedenia convoluta (Yamaguti, 1937) Yamaguti, 1963 (basis of record)
Cyclobothrium iniistii Yamaguti, 1937 (original description)
Epibdella (Benedenia) convoluta Yamaguti, 1937 represented as Benedenia convoluta Yamaguti, 1937 accepted as Allobenedenia convoluta (Yamaguti, 1937) Yamaguti, 1963 (original description)
Epibdella convoluta Yamaguti, 1937 accepted as Entobdella convoluta (Yamaguti, 1937) Meserve, 1938 accepted as Benedenia convoluta Yamaguti, 1937 accepted as Allobenedenia convoluta (Yamaguti, 1937) Yamaguti, 1963 (original description)
Epibdella epinepheli Yamaguti, 1937 accepted as Benedenia epinepheli (Yamaguti, 1937) Meserve, 1938 (original description)
Epibdella sekii Yamguti, 1937 accepted as Benedenia sekii (Yamaguti, 1937) Meserve, 1938 (original description)
Glomericirrus Yamaguti, 1937 (original description)
Glomericirrus amadai Yamaguti, 1937 (original description)
Haliotrema spirophallus Yamaguti, 1937 (original description)
Hexacotyle dissimilis Yamaguti, 1937 accepted as Hexostoma dissimile (Yamaguti, 1937) Sproston, 1946 (original description)
Lepocreadioides branchiostegi Yamaguti, 1937 (original description)
Microcotyle branchiostegi Yamaguti, 1937 (original description)
Microcotyle cepolae Yamaguti, 1937 (original description)
Microcotyle spari Yamaguti, 1937 accepted as Aspinatrium spari (Yamaguti, 1937) Yamaguti, 1963 (original description)
Octoplectanocotyla Yamaguti, 1937 (original description)
Octoplectanocotyla trichiuri Yamaguti, 1937 (original description)
Opisthogonoporidae Yamaguti, 1937 accepted as Lepocreadiidae Odhner, 1905 (original description)
Opisthogonoporus Yamaguti, 1937 (original description)
Opisthogonoporus amadai Yamaguti, 1937 (original description)
Plagioporus branchiostegi Yamaguti, 1957 accepted as Macvicaria branchiostegi (Yamaguti, 1957) Bray, 1990 (original description)
Sphincterostoma Yamaguti, 1937 (original description)
Sphincterostoma branchiostegi Yamaguti, 1937 (original description)
Sphincterostomatidae Yamaguti, 1937 accepted as Megaperidae Manter, 1934 (original description)

East China Sea for Axine chinensis Yamaguti, 1937 
Inland Sea off Seto for Cyclobothrium iniistii Yamaguti, 1937 
Inland Sea off Seto for Epibdella convoluta Yamaguti, 1937 
Inland Sea off Seto for Epibdella epinepheli Yamaguti, 1937 
Inland Sea off Seto for Epibdella sekii Yamguti, 1937 
Inland Sea off Seto for Microcotyle spari Yamaguti, 1937 
Inland Sea off Seto for Octoplectanocotyla trichiuri Yamaguti, 1937 
Japanese Exclusive Economic Zone for Glomericirrus amadai Yamaguti, 1937 
Japanese Exclusive Economic Zone for Lepocreadioides branchiostegi Yamaguti, 1937 
Japanese Exclusive Economic Zone for Opisthogonoporus amadai Yamaguti, 1937 
Japanese Exclusive Economic Zone for Plagioporus branchiostegi Yamaguti, 1957 
Japanese Exclusive Economic Zone for Sphincterostoma branchiostegi Yamaguti, 1937 
Japanese Exclusive Economic Zone for Trigonotrema alatum Goto & Ozaki, 1929 
Japanese part of the Japan Sea for Haliotrema spirophallus Yamaguti, 1937 
Japanese part of the Japan Sea for Microcotyle branchiostegi Yamaguti, 1937 
Japanese part of the Japan Sea for Microcotyle cepolae Yamaguti, 1937 
Suruga Bay for Hexacotyle dissimilis Yamaguti, 1937 

 Taxonomic remark

 for Benedenia convoluta Yamaguti, 1937

This combination is often attributed to Price (1939), but but it was first made by Yamaguti (1937), with Benedenia ... [details]