vietnamensis, Onychostoma Bănărescu [P. M.] 1971:244 [Revue Roumaine de Biologie, Série de Zoologie v. 16 (no. 4); ref. 7666] Song-Koi River, northern Vietnam. Holotype: MNHN B-2652. Paratypes: B-2653 (2). •Synonym of Onychostoma lepturus (Boulenger 1900) -- (Kottelat 2001:32 [ref. 25482]). •Valid as Onychostoma vietnamense Bănărescu 1971 -- (Kottelat 2001:63 [ref. 25780] as cf. vietnamense). •Synonym of Onychostoma leptura (Boulenger 1900) -- (Kottelat 2013:129 [ref. 32989]). Current status: Synonym of Onychostoma lepturus (Boulenger 1900). Cyprinidae: Acrossocheilinae. Distribution: Vietnam (if valid). Habitat: freshwater.