duostigma, Osteochilus Fowler [H. W.] 1937:182, Figs. 120-121 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 89; ref. 1425] Mekong River at Kemarat, Thailand. Holotype: ANSP 68096. Paratypes: ANSP 68097 (1), 68098-111 (17). Type catalog: Monkolprasit 1969:9 [ref. 25088], Böhlke 1984:75 [ref. 13621]. •Synonym of Osteochilus hasseltii (Valenciennes 1842) -- (Roberts 1989:48 [ref. 6439], Karnasuta 1993:60 [ref. 20700], Rainboth 1996:116 [ref. 22772], Kottelat 2001:65 [ref. 25780]). •Synonym of Osteochilus vittatus (Valenciennes 1842) -- (Kottelat 2013:137 [ref. 32989]). Current status: Synonym of Osteochilus vittatus (Valenciennes 1842). Cyprinidae: Labeoninae. Habitat: freshwater.