minor, Lampetra mitsukurii Hatta [S.] 1911:268, Pl. 8 (figs. 3-4, 7-8) [Annotationes Zoologicae Japonenses v. 7 (pt. 5); ref. 18252] Gifu and Sapporo and other localities, Japan. No types known. Not treated by Renaud 2011:75 [ref. 31770]. •Synonym of Lampetra reissneri (Dybowski 1869) -- (Berg 1948:42 [ref. 12882], Okada 1961:273 [ref. 6363]). •Synonym of Lethenteron reissneri (Dybowski 1869) -- (Kottelat 2006:13 [ref. 28831], Dyldin & Orlov 2016:544 [ref. 34656]). •Synonym of Lethenteron mitsukurii (Hatta 1901) -- (Naseka & Renaud 2020:39 [ref. 37921]). Current status: Synonym of Lethenteron mitsukurii (Hatta 1901). Petromyzontidae. Habitat: freshwater.