dybowskii, Diptychus Kessler [K. F.] 1874:55, Pl. 8 (fig. 39) [Izvestiia Imperatorskago Obschchestva Liubitelei Estestvozaniia, Antropologii i Etnografii v. 11; ref. 2596] Aksu River, Turkistan. Syntypes: ZIN 2323 (2). •Valid as Diptychus dybowskii Kessler 1874 -- (Berg 1949:726 [ref. 20661], Tsao 1964:175 [ref. 13501], Mitrofanov et al. 1988:93 [ref. 37734], Wu & Wu 1992:431 [ref. 21205]). •Valid as Gymnodiptychus dybowskii (Kessler 1874) -- (Zhu 1995:92 [ref. 25213], Chen & Cao et al. in Yue 2000:349 [ref. 25272], Chen & Chen 2001:147 [ref. 25461], Zhang et al. 2016:118 [ref. 34477]). Current status: Valid as Gymnodiptychus dybowskii (Kessler 1874). Cyprinidae: Schizopygopsinae. Distribution: North Asia. Habitat: freshwater.