ioa, Acantopsis Boyd [D. A.] & Page [L. M.] in Boyd, Nithirojpakdee, Deein, Vidthayanon, Grudpan et al. 2017:179, Fig. 19 [Zootaxa 4341 (no. 2); ref. 35656] Nam Lik, 6 km upstream of confluence with Nam Ngum River, Mekong River drainage, Vientiane Province, Laos, 18.583N, 102.500E. Holotype: UMMZ 250301 (ex. UF 240684). Paratypes: ANSP, INHS, NIFI, THNHM, UF, UMMZ, ZRC. •Valid as Acantopsis ioa Boyd & Page 2017 -- (Boyd et al. 2018:[7] [ref. 36347]). Current status: Valid as Acantopsis ioa Boyd & Page 2017. Cobitidae. Distribution: Mekong River basin, Thailand and Laos. Habitat: freshwater.