nudidorsum, Schistura Kottelat [M.] 1998:80, Figs. 119-120 [Ichthyological Exploration of Freshwaters v. 9 (no. 1); ref. 23436] Nam Phao at waterfall immediately downriver of border post on road from Lak Sao to Vinh (Vietnam), Laos, 18°23'00"N, 105°09'20"E. Holotype: ZRC 41801. Paratypes: CMK 12503 (32), 12673 (45); DFV uncat. (7); NRM 36711 (8); ZRC 41802 (8). •Valid as Schistura nudidorsum Kottelat 1998 -- (Kottelat 2001:111 [ref. 25780], Kottelat 2012:114 [ref. 32367], Kottelat 2013:209 [ref. 32989], Kottelat 2015:44 [ref. 33971], Kottelat 2017:53 [ref. 35502], Kottelat 2017:705 [ref. 35677], Fu et al. 2021:9568 [ref. 39347], Lin et al. 2021:876 [ref. 39325]). Current status: Valid as Schistura nudidorsum Kottelat 1998. Nemacheilidae. Distribution: Southeast Asia: Nam Theun watershed (Laos) and Yunnan (China). Habitat: freshwater.