mekongensis, Sundasalanx Britz [R.] & Kottelat [M.] 1999:338, Fig. 1 [Ichthyological Exploration of Freshwaters v. 10 (no. 4); ref. 24233] Confluence of Nam Leuk and Nam Ngang, 18°22'04"N, 103°05'27"E, Bolikhamsai Province, Laos. Holotype: ZRC 43686. Paratypes: CMK 12209 (251), 13233 (5), 13503 (500), 15114 (10 c&s and 5 s), 15115 (13 c&s and 5 s), 15116 (1 c&s and 1 s); LARRI uncat. (17), uncat. (50); NRM 42603 (40); ZRC 43687 (40). •Valid as Sundasalanx mekongensis Britz & Kottelat 1999 -- (Kottelat 2001:28 [ref. 25780], Kottelat 2013:64 [ref. 32989], Kottelat 2015:40 [ref. 33971], Taki et al. 2021:68 [ref. 39830]). Current status: Valid as Sundasalanx mekongensis Britz & Kottelat 1999. Ehiravidae. Distribution: Southeast Asia: Mekong River basin and Xe Bangfai, Laos, Thailand and Cambodia. Habitat: freshwater.