sewerzowi, Diptychus Kessler [K. F.] 1872:58 [14], Pl. 9 (fig. 22) [Izvestiia Imperatorskago Obschchestva Liubitelei Estestvozaniia, Antropologii i Etnografii v. 10 (no. 1); ref. 14134] Aksai River, Tarim basin, China, elevation 10000 feet. Syntypes: BMNH 1897.7.5.25 [ex ZIN] (1), ZIN 2050 (orig. 12, now 2). Type catalog: Svetovidova 1978:262 [ref. 9011] with ZISP 2050 as holotype. On p. 14 of separate. •Synonym of Diptychus maculatus Steindachner 1866 -- (Berg 1949:723 [ref. 20661], Tsao 1964:170 [ref. 13501]). •Valid as Diptychus sewerzowi Kessler 1872 -- (Chen & Cao et al. in Yue 2000:338 [ref. 25272]). Current status: Valid as Diptychus sewerzowi Kessler 1872. Cyprinidae: Schizopygopsinae. Distribution: Asia. Habitat: freshwater.