siamensis, Epalzeorhynchus Smith [H. M.] 1931:20, Fig. 9 [Proceedings of the United States National Museum v. 79 (no. 2873); ref. 4047] Tadi River, Nakhon Si Thammarat [Nakorn-Sritamarat], Peninsular Thailand. Holotype (unique): USNM 90302. Type catalog: Monkolprasit 1969:6 [ref. 25088]. •Valid as Crossocheilus siamensis (Smith 1931) -- (Bănărescu 1986:145 [ref. 8112], Rainboth 1996:120 [ref. 22772], Doi 1997:5 [ref. 22832], Kottelat 1998:26 [ref. 23436], Su et al. 2000:215 [ref. 25281]). •Synonym of Crossocheilus oblongus Kuhl & van Hasselt 1823 -- (Roberts 1989:32 [ref. 6439], Kottelat 2000:39 [ref. 25040], Kottelat 2001:43 [ref. 25780], Kottelat 2013:90 [ref. 32989], Ciccotto et al. 2017:283 [ref. 35402]). Current status: Synonym of Crossocheilus oblongus Kuhl & van Hasselt 1823. Cyprinidae: Labeoninae. Habitat: freshwater.