hexagonolepis, Barbus McClelland [J.] 1839:270, 336, Pl. 41 (fig. 3) [Asiatic Researches v. 19 (pt 2); ref. 2923] All large rivers on the eastern frontier, Assam, India. No types known. Spelled hexagonolepus on p. 336 and 337, hexagonolepis on p. 270, on plate caption (p. 313) and in index. The spelling hexagonolepis used here to comform with stated etymology, which refers to form of scales. •Valid as Acrossocheilus hexagonolepis (McClelland 1839) -- (Shrestha 1978:34 [ref. 15970], Datta & Karmakar 1984:170 [ref. 8167]). •In genus Neolissochilus -- (Rainboth 1985:28 [ref. 5968]). •Valid as Barbodes hexagonolepis (McClelland 1839) -- (Chu & Cui in Chu & Chen 1989:184 [ref. 13584], Wu & Wu 1992:283 [ref. 21205], Zhang et al. 1995:70 [ref. 22734] as hexagonlepis, Zhu 1995:55 [ref. 25213], Chen in Chen 1998:147 [ref. 23556], Chen et al. 1999:87 [ref. 23883], Shan et al. in Yue 2000:19 [ref. 25272], Chen & Chen 2001:148 [ref. 25461], Conway et al. 2011:1755 [ref. 31594], Gurung et al. 2013:4882 [ref. 32969], Khaironizam et al. 2015:155 [ref. 33812], Zhang et al. 2016:91 [ref. 34477] as a synonym of N. heterostomus and species as hexagonolepisnon). •Valid as Neolissochilus hexagonolepis (McClelland 1839) -- (Talwar & Jhingran 1991:229 [ref. 20764], S/en 1995:510 [ref. 23778], Menon 1999:56 [ref. 24904], Kundu 2000:96 [ref. 25663], Karmakar 2000:28 [ref. 2566/2], Yadav 2000:40 [ref. 25661], Vidthayanon & Kottelat 2003:165 [ref. 26859], Shrestha 2008:72 [ref. 29923], Lasker et al. 2013:1 [ref. 32883], Khare et al. 2014:[3] [ref. 33361], Arunachalam et al. 2017:3 [ref. 35058], Laskar et al. 2018:[7] [ref. 35834], Lalramliana et al. 2018:[3] [ref. 35912], Umamaheswari & Arunachalam 2018:2 [ref. 36417], Bleher 2018:610 [ref. 36647], Dahanukar et al. 2023:149 [ref. 39963]). Current status: Valid as Neolissochilus hexagonolepis (McClelland 1839). Cyprinidae: Torinae. Distribution: Southern Asia: Nepal, Bhutan, India, Myanmar and Southeast Asia and ? China. Habitat: freshwater.