compressirostris, Nemachilus Warpachowski [N. A.] 1897:270, Pl. 11 (figs. 1-3) [Ezhegodnik, Zoologicheskago Muzeya Imperatorskoi Akademii Nauk v. 2; ref. 4515] Lakes in northwestern Mongolia [possibly an error, probably a lake in the vicinity of Kosh-Agach]. Lectotype: ZIN 11298 (158 mm). Paralectotypes: ZIN 11298 (1). Original genus is correctly Nemacheilus. For remarks on systematics see Kottelat 2006:51 [ref. 28831]. Lectotype selected by Prokofiev 2016:392 [ref. 34693]. •Synonym of Nemacheilus barbatulus (Linnaeus 1758) -- (Berg 1949:869 [ref. 20661] as Nemachilus). •Synonym of Barbatula toni (Dybowski 1869) -- (Vasil'eva 1998:95 [ref. 23591], Sideleva 2001:54 [ref. 26181], Sideleva 2003:11 [ref. 27815], Prokofiev 2016:392 [ref. 34693] with doubt). •Synonym of Orthrias barbatulus (Linnaeus 1758), subspecies toni (Dybowski 1869) -- (Prokofiev 2007:17 [ref. 30343]). •Valid as Barbatula compressirostris (Warpachowski 1897) -- (Kottelat 2006:51 [ref. 28831], Cao et al. 2012:236 [ref. 32335], Kottelat 2012:78 [ref. 32367] with question, Prokofiev 2015:460 [ref. 34065] with question, Prokofiev 2018:273 [ref. 35878], Dyldin et al. 2023:[8] [ref. 40328]). Current status: Valid as Barbatula compressirostris (Warpachowski 1897). Nemacheilidae. Distribution: East Asia: northwestern Mongolia and Tuva (Russia). Habitat: freshwater.