gudgeri, Xenocheilichthys Smith [H. M.] 1934:305, Figs. a-b [Journal of the Siam Society, Natural History Supplement v. 9 (no. 3); ref. 4052] Upper Nan River near Nan city, northern Thailand. Holotype: USNM 103367. Paratypes: USNM 103368 (1). Type catalog: Monkolprasit 1969:14 [ref. 25088], Vilasri et al. 2018:55 [ref. 36451]. •Valid as Sikukia gudgeri (Smith 1934) -- (Chu & Cui in Chu & Chen 1989:167 [ref. 13584], Zhu 1995:52 [ref. 25213], Rainboth 1996:94 [ref. 22772], Doi 1997:13 [ref. 22832], Kottelat 1998:57 [ref. 23436], Li et al. 1998:454 [ref. 24130], Doi 2000:394 [ref. 25097], Kottelat 2001:81 [ref. 25780], Kottelat 2013:163 [ref. 32989], Kottelat 2015:43 [ref. 33971], Vilasri et al. 2018:55 [ref. 36451], Fu et al. 2021:9570 [ref. 39347], Taki et al. 2021:133 [ref. 39830]). Current status: Valid as Sikukia gudgeri (Smith 1934). Cyprinidae: Cyprininae. Distribution: Southeast Asia: Chao Phraya and Mekong River basins, Thailand, Laos, Yunnan (China) and Cambodia. Habitat: freshwater.