callopterus, Glyptothorax Smith [H. M.] 1945:400, Fig. 87 [Bulletin of the United States National Museum No. 188; ref. 4056] Waterfall stream on Kao Chong, near Trang, peninsular Thailand. Holotype: USNM 109820. Paratypes: USNM 109819 (2). Type catalog: Ferraris & Vari 1992:40 [ref. 19771], Ferraris 2007:388 [ref. 29155], Vilasri et al. 2018:62 [ref. 36451]. •Synonym of Glyptothorax fuscus Fowler 1934 -- (Ng & Kottelat 2016:24 [ref. 34878]). •Valid as Glyptothorax callopterus Smith 1945 -- (Burgess 1989:132 [ref. 12860], Thomson & Page 2006:43 [ref. 28859], Ferraris 2007:388 [ref. 29155], Ng & Hadiaty 2008:143 [ref. 29735], Kottelat 2013:224 [ref. 32989], Vilasri et al. 2018:62 [ref. 36451], Boyd et al. 2023:323 [ref. 40235]). Current status: Valid as Glyptothorax callopterus Smith 1945. Sisoridae: Sisorinae. Distribution: South Asia: peninsular Thailand. Habitat: freshwater.