nanensis, Barilius Smith [H. M.] 1945:155, Fig. 23 [Bulletin of the United States National Museum No. 188; ref. 4056] Nan River at Ban Pa-Khwang, northern Thailand. Holotype: USNM 107940. Paratypes: USNM 107939-40 (4, 1), 119474-76 (1, 1, 6). Type catalog: Monkolprasit 1969:3 [ref. 25088]. •Mention -- (Kottelat 1984:797 [ref. 11440]). •Valid as Barilius nanensis Smith 1945 -- (Roberts 1989:31 [ref. 6439]). •Synonym of Opsarius koratensis (Smith 1931) -- (Kottelat 2001:65 [ref. 25780], Kottelat 2013:131 [ref. 32989]). Current status: Synonym of Opsarius koratensis (Smith 1931). Danionidae: Chedrinae. Habitat: freshwater.