tonkinensis, Acanthorhodeus Vaillant [L. L.] 1892:127 [3] [Bulletin de la Société philomathique de Paris (8th Série) v. 4 (no. 3); ref. 14518] Nam-kia River, affluent to River Noire, Upper Tonkin, northern Vietnam. Holotype (unique): MNHN 1892-0046. Type catalog: Bertin & Estève 1948:76 [ref. 19574]. On p. 3 of separate. See also Kottelat 1998:54 [ref. 23436]. •Valid as Acanthorhodeus tonkinensis Vaillant 1892 -- (Wu 1964:213 [ref. 13503], Mai 1978:184 [ref. 13511], Wang 1984:67 [ref. 22951], Jin in Kuang et al. 1986:68 [ref. 26639], Ye in Pan et al. 1991:133 [ref. 23876] as tonkiennsis and authorship and date as Fang 1942). •In genus Acheilognathus -- (Arai & Akai 1988:208 [ref. 6999]). •Valid as Acheilognathus tonkinensis (Vaillant 1892) -- (Chen & Li in Chu & Chen 1989:130 [ref. 13584], Zheng et al. 1989:160 [ref. 21202], Cheng & Zhou 1997:145 [ref. 26385], Lin in Chen et al. 1998:428 [ref. 23878], Doi et al. 1999:307 [ref. 24230], Kottelat 2001:16 [ref. 25482], Kottelat 2001:38 [ref. 25780], Tang et al. 2001:12 [ref. 25373], Wang et al. 2001:155 [ref. 26566], Yang et al. 2011:163 [ref. 31154], Kottelat 2013:71 [ref. 32989], Zhang et al. 2016:68 [ref. 34477]). Current status: Valid as Acheilognathus tonkinensis (Vaillant 1892). Acheilognathidae. Distribution: China and Vietnam. Habitat: freshwater.