gymnogaster, Diptychus Kessler [K. F.] 1879:293 [Bulletin de l'Académie Impériale des Sciences de St. Pétersbourg v. 25; ref. 2598] Juldus [Yulduz] and Kungès [Kinges] rivers, Kazakhstan. Syntypes: ZIN 4177 (1) Kungès, 4178-79 (1, 1) Juldus. Also appeared in Kessler 1879:248 [ref. 14266]. •Synonym of Diptychus maculatus Steindachner 1866 -- (Berg 1949:723 [ref. 20661], Tsao 1964:170 [ref. 13501], Wu & Wu 1992:422 [ref. 21205], Chen & Cao et al. in Yue 2000:338 [ref. 25272], Mirza & Afridi 2002:173 [ref. 26429]). Current status: Synonym of Diptychus maculatus Steindachner 1866. Cyprinidae: Schizopygopsinae. Habitat: freshwater.