Species that contain: Crossocheilus and siamensis [ 2 ] records

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.

thai, Crossocheilus Fowler [H. W.] 1944:49, Fig. [The Fish Culturist v. 23 (no. 7); ref. 19310] Bangkok, Thailand. Holotype (unique): ANSP 71336. Type catalog: Böhlke 1984:93 [ref. 13621]. •Questionably a synonym of Henicorhynchus siamensis (de Beaufort 1927) -- (Rainboth 1996:112 [ref. 22772]). •Questionably a synonym of Cirrhinus siamensis (Sauvage 1878) -- (Roberts 1997:196 [ref. 23550]). •Synonym of Gymnostomus siamensis (Sauvage 1881) -- (Kottelat 2013:109 [ref. 32989]). •Synonym of Henicorhynchus siamensis (Sauvage 1881) -- (Kottelat 2001:54 [ref. 25780]). •Synonym of Henicorhynchus entmema (Fowler 1934) -- (Ciccotto & Page 2020:493 [ref. 37710]). Current status: Synonym of Henicorhynchus entmema (Fowler 1934). Cyprinidae: Labeoninae. Habitat: freshwater.