heterognathos, Schistura Chen [Y.-F.] 1999:301, Figs. 1-4 [Zoological Research v. 20 (no. 4); ref. 24925] Nanla River, Mekong River system, Nazhao, 21°40'55'N, 101°35'20"E, about 25 kilometers from Mengla County, Yunnan Province, China. Holotype: IHASW 8810240. Paratypes: IHASW 8810241-42 (1, 1), 8810150-53 (1, 1, 1, 1). •Valid as Sectoria heterognathos (Chen 1999) -- (Kottelat 2001:119 [ref. 25780], Kottelat 2012:120 [ref. 32367], Kottelat 2013:213 [ref. 32989]). •Valid as Schistura heterognathos Chen 1999 -- (Zhang et al. 2016:132 [ref. 34477], Fu et al. 2021:9568 [ref. 39347]). Current status: Valid as Sectoria heterognathos (Chen 1999). Nemacheilidae. Distribution: Southeast Asia: upper Mekong River system (Yunnan/China). Habitat: freshwater.