malacopterus, Acrossocheilus Zhang [E] 2005:254, Figs. 1-4, 6-7 [Cybium v. 29 (no. 3); ref. 28381] Lian Jiang (a tributary of Bei Jiang River in Zhu Jiang basin), Yangshan Guangdong, China. Holotype: IHASW 660286. Paratypes: (7) IHASW 6440303-4 (2), 660067-8 (2), 660266 (1); 73X2142 (2). •Valid as Acrossocheilus malacopterus Zhang 2005 -- (Kottelat 2013:72 [ref. 32989], Zhang et al. 2016:88 [ref. 34477]). •Synonym of Angustistoma barbatum (Lin 1931) -- (Hoàng et al. 2025:14 [ref. 41866]). Current status: Synonym of Angustistoma barbatum (Lin 1931). Cyprinidae: Acrossocheilinae. Habitat: freshwater.